Example usage for org.springframework.web.multipart MultipartFile getInputStream

List of usage examples for org.springframework.web.multipart MultipartFile getInputStream

Introduction

In this page you can find the example usage for org.springframework.web.multipart MultipartFile getInputStream.

Prototype

@Override
InputStream getInputStream() throws IOException;

Source Link

Document

Return an InputStream to read the contents of the file from.

Usage

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To extract From Image.// w w  w  .  j a  v  a  2s  .c  om
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/extractFromImage", method = RequestMethod.POST)
@ResponseBody
public void extractFromImage(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for performExtractionForImage..");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);
            final String outputDir = WebServiceUtil.createWebServiceOutputDir(workingDir);

            final DefaultMultipartHttpServletRequest multiPartRequest = (DefaultMultipartHttpServletRequest) req;

            final BatchInstanceThread batchInstanceThread = new BatchInstanceThread();

            final MultiValueMap<String, MultipartFile> fileMap = multiPartRequest.getMultiFileMap();
            final DefaultMultipartHttpServletRequest multipartReq = (DefaultMultipartHttpServletRequest) req;
            String batchClassId = WebServiceUtil.EMPTY_STRING;
            String ocrEngine = WebServiceUtil.EMPTY_STRING;
            String colorSwitch = WebServiceUtil.EMPTY_STRING;
            String projectFile = WebServiceUtil.EMPTY_STRING;
            String cmdLanguage = WebServiceUtil.EMPTY_STRING;
            String documentType = WebServiceUtil.EMPTY_STRING;
            String tifFileName = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multipartReq.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase(WebServiceUtil.BATCH_CLASS_IDENTIFIER)) {
                    batchClassId = multipartReq.getParameter(paramName);
                    continue;
                }
                if (paramName.equalsIgnoreCase(WebServiceUtil.OCR_ENGINE)) {
                    ocrEngine = multipartReq.getParameter(paramName);
                    continue;
                }
                if (paramName.equalsIgnoreCase(WebServiceUtil.COLOR_SWITCH)) {
                    colorSwitch = multipartReq.getParameter(paramName);
                    continue;
                }
                if (paramName.equalsIgnoreCase(WebServiceUtil.PROJECT_FILE)) {
                    projectFile = multipartReq.getParameter(paramName);
                    continue;
                }
                if (paramName.equalsIgnoreCase(WebServiceUtil.CMD_LANGUAGE)) {
                    cmdLanguage = multipartReq.getParameter(paramName);
                    continue;
                }
                if (paramName.equalsIgnoreCase(WebServiceUtil.DOCUMENT_TYPE)) {
                    documentType = multipartReq.getParameter(paramName);
                    continue;
                }

            }
            LOGGER.info("Parameters for the web service are: ");
            LOGGER.debug(WebServiceUtil.BATCH_CLASS_IDENTIFIER + " :" + batchClassId);
            LOGGER.debug(WebServiceUtil.OCR_ENGINE + " :" + ocrEngine);
            LOGGER.debug(WebServiceUtil.COLOR_SWITCH + " :" + colorSwitch);
            LOGGER.debug(WebServiceUtil.PROJECT_FILE + " :" + projectFile);
            // logger.debug("" + tesseractVersion);
            LOGGER.debug(WebServiceUtil.CMD_LANGUAGE + " :" + cmdLanguage);
            LOGGER.debug(WebServiceUtil.DOCUMENT_TYPE + " :" + documentType);

            final int attachedFileSize = fileMap.size();
            if (attachedFileSize != 1) {
                respStr = "Invalid number of files. Expected number of file(s): 1 of type: tif/tiff/png file. Recieved: "
                        + attachedFileSize + " file(s)";
            }
            if (respStr.isEmpty()) {
                for (final String fileName : fileMap.keySet()) {
                    try {
                        final MultipartFile multiPartFile = multiPartRequest.getFile(fileName);
                        instream = multiPartFile.getInputStream();
                        final File file = new File(workingDir + File.separator + fileName);
                        outStream = new FileOutputStream(file);
                        final byte[] buf = new byte[WebServiceUtil.bufferSize];
                        int len = instream.read(buf);
                        while (len > 0) {
                            outStream.write(buf, 0, len);
                            len = instream.read(buf);
                        }
                        if (fileName.endsWith(FileType.TIF.getExtensionWithDot())
                                || fileName.endsWith(FileType.TIFF.getExtensionWithDot())) {
                            tifFileName = fileName;
                            LOGGER.debug("Image Name :" + tifFileName);

                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                    }

                }

                final StringBuilder projectFileBuffer = new StringBuilder();
                projectFileBuffer.append(bsService.getBaseFolderLocation());
                projectFileBuffer.append(File.separator);
                projectFileBuffer.append(batchClassId);
                projectFileBuffer.append(File.separator);
                projectFileBuffer.append(RECOSTAR_EXTRACTION);
                projectFileBuffer.append(File.separator);
                projectFileBuffer.append(projectFile);
                final String projectFilePath = projectFileBuffer.toString();
                final String results = WebServiceUtil.validateExtractFromImageAPI(workingDir, ocrEngine,
                        colorSwitch, projectFilePath, cmdLanguage, tifFileName);
                if (!results.isEmpty()) {
                    respStr = results;
                } else {
                    String[] fileNames = null;
                    final File file = new File(workingDir);
                    fileNames = splitImagesAndCreatePNG(workingDir, colorSwitch, file);
                    LOGGER.info("Number of file is:" + fileNames.length);
                    LOGGER.info("OcrEngine used for generating ocr is :" + ocrEngine);
                    if (ocrEngine.equalsIgnoreCase(WebServiceUtil.RECOSTAR)) {
                        respStr = createHOCRViaRecostar(workingDir, outputDir, batchInstanceThread, colorSwitch,
                                projectFilePath, fileNames);
                    } else if (ocrEngine.contains(WebServiceUtil.TESSERACT)) {
                        respStr = createHOCRViaTesseract(workingDir, outputDir, batchInstanceThread,
                                colorSwitch, ocrEngine, cmdLanguage, fileNames);
                    } else {
                        respStr = "Please select valid tool for generating OCR file.";
                    }
                    if (respStr.isEmpty()) {
                        respStr = executeBatchInstanceThread(workingDir, outputDir, batchInstanceThread,
                                ocrEngine, fileNames);
                    }

                }
            }
            if (respStr.isEmpty()) {
                final String hocrFilePath = outputDir + File.separator
                        + tifFileName.substring(0, tifFileName.lastIndexOf(CONSTANT_DOT) + 1)
                        + FileType.HTML.getExtension();
                LOGGER.debug("Generated HOCR file located at " + hocrFilePath);
                final Set<String> loggedInUserRole = getUserRoles(req);
                if (!isBatchClassViewableToUser(batchClassId, loggedInUserRole, isSuperAdmin(req))) {
                    respStr = "User is not authorized to view the batch class for given identifier:"
                            + batchClassId;
                    LOGGER.error("Error response at server:" + respStr);
                }

                LOGGER.info("Performing Extraction using KV mechanism.");
                respStr = extractKVFromHOCR(resp, respStr, outputDir, batchClassId, hocrFilePath, documentType);
            }

        } catch (final DCMAException dcmae) {
            respStr = "Error in processing request. Detailed exception is " + dcmae;
            LOGGER.error("Error response at server:" + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error("Error response at server:" + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = IMPROPER_INPUT_TO_SERVER;
        LOGGER.error("Error response at server:" + respStr);
    }
    if (!workingDir.isEmpty()) {
        LOGGER.info("Clearing the temporary files.");
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error("Error response at server:" + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(
                    "Exception in sending the error code to client. Logged the exception for debugging:" + ioe,
                    ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

private void processFuzzyDbExtraction(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for extract fuzzy DB for given HOCR file");
    String respStr = "";
    String workingDir = "";
    Documents documents = null;/*from www .  j  a  v  a2  s.c  o m*/
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);

            final DefaultMultipartHttpServletRequest multiPartRequest = (DefaultMultipartHttpServletRequest) req;

            final MultiValueMap<String, MultipartFile> fileMap = multiPartRequest.getMultiFileMap();
            String htmlFile = WebServiceUtil.EMPTY_STRING;
            if (fileMap.size() == 1) {
                for (final String fileName : fileMap.keySet()) {
                    try {
                        if (fileName.endsWith(FileType.HTML.getExtensionWithDot())) {
                            htmlFile = fileName;
                        } else {
                            respStr = "Invalid file. Please passed the valid html file";
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                            break;
                        }
                        final MultipartFile multiPartFile = multiPartRequest.getFile(fileName);
                        instream = multiPartFile.getInputStream();
                        final File file = new File(workingDir + File.separator + fileName);
                        outStream = new FileOutputStream(file);
                        final byte[] buf = new byte[WebServiceUtil.bufferSize];
                        int len = instream.read(buf);
                        while (len > 0) {
                            outStream.write(buf, 0, len);
                            len = instream.read(buf);
                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                    }

                }
            } else {
                respStr = "Invalid number of files. We are supposed only one file";
                LOGGER.error(SERVER_ERROR_MSG + respStr);
            }

            String batchClassIdentifier = WebServiceUtil.EMPTY_STRING;
            String documentType = WebServiceUtil.EMPTY_STRING;
            String hocrFileName = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multiPartRequest.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase("documentType")) {
                    documentType = multiPartRequest.getParameter(paramName);
                    LOGGER.info("Value for documentType parameter is : " + documentType);
                    continue;
                }
                if (paramName.equalsIgnoreCase("batchClassIdentifier")) {
                    batchClassIdentifier = multiPartRequest.getParameter(paramName);
                    LOGGER.info("Value for batchClassIdentifier parameter is : " + batchClassIdentifier);
                    continue;
                }
                if (paramName.equalsIgnoreCase("hocrFile")) {
                    hocrFileName = multiPartRequest.getParameter(paramName);
                    LOGGER.info("Value for hocrFile parameter is : " + hocrFileName);
                    continue;
                }
            }

            if (!hocrFileName.equalsIgnoreCase(htmlFile)) {
                respStr = "Please pass the valid hocr File.";
                LOGGER.error(SERVER_ERROR_MSG + respStr);
            }
            if (respStr.isEmpty()) {
                respStr = WebServiceUtil.validateExtractFuzzyDBAPI(workingDir, hocrFileName,
                        batchClassIdentifier, documentType);
                if (respStr.isEmpty()) {
                    BatchClass batchClass = bcService.getBatchClassByIdentifier(batchClassIdentifier);
                    if (batchClass == null) {
                        respStr = "Please enter valid batch class identifier";
                    } else {
                        Set<String> loggedInUserRole = getUserRoles(req);
                        if (!isBatchClassViewableToUser(batchClassIdentifier, loggedInUserRole,
                                isSuperAdmin(req))) {
                            respStr = USER_NOT_AUTHORIZED_TO_VIEW_THE_BATCH_CLASS + batchClassIdentifier;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else {
                            BatchPlugin fuzzyDBPlugin = batchClassPPService
                                    .getPluginProperties(batchClassIdentifier, "FUZZYDB");
                            if (fuzzyDBPlugin == null || fuzzyDBPlugin.getPropertiesSize() == 0) {
                                respStr = "Fuzzy DB plugin is not configured for batch class : "
                                        + batchClassIdentifier + " . Please select proper batch class";
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            } else if (fuzzyDBPlugin
                                    .getPluginConfigurations(FuzzyDBProperties.FUZZYDB_STOP_WORDS) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_MIN_TERM_FREQ) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_MIN_WORD_LENGTH) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_MAX_QUERY_TERMS) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_NO_OF_PAGES) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_DB_DRIVER) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_CONNECTION_URL) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_DB_USER_NAME) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_DB_PASSWORD) == null
                                    || fuzzyDBPlugin.getPluginConfigurations(
                                            FuzzyDBProperties.FUZZYDB_THRESHOLD_VALUE) == null) {
                                respStr = "Incomplete properties of the Fuzzy DB plugin for the specified batch class id: "
                                        + batchClassIdentifier;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                        }
                    }

                    if (respStr.isEmpty()) {
                        List<com.ephesoft.dcma.da.domain.FieldType> allFdTypes = fieldTypeService
                                .getFdTypeByDocTypeNameForBatchClass(documentType, batchClassIdentifier);

                        if (allFdTypes == null || allFdTypes.size() == 0) {
                            respStr = "Document Level Fields doesn't exist for document type: " + documentType;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }

                    if (respStr.isEmpty()) {
                        try {
                            HocrPages hocrPages = new HocrPages();
                            List<HocrPage> hocrPageList = hocrPages.getHocrPage();
                            HocrPage hocrPage = new HocrPage();
                            String pageID = WebServiceUtil.PG0;
                            hocrPage.setPageID(pageID);
                            hocrPageList.add(hocrPage);
                            bsService.hocrGenerationAPI(workingDir, pageID,
                                    workingDir + File.separator + hocrFileName, hocrPage);
                            documents = fuzzyDBSearchService.extractDataBaseFields(batchClassIdentifier,
                                    documentType, hocrPages);
                            if (documents != null) {
                                StreamResult result = new StreamResult(resp.getOutputStream());
                                batchSchemaDao.getJAXB2Template().getJaxb2Marshaller().marshal(documents,
                                        result);
                            }
                        } catch (final DCMAException e) {
                            respStr = "Exception while extracting field using fuzzy db" + e;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                }
            }
        } catch (final XmlMappingException xmle) {
            respStr = ERROR_IN_MAPPING_INPUT + xmle;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = IMPROPER_INPUT_TO_SERVER;
        LOGGER.error(SERVER_ERROR_MSG + respStr);
    }
    if (!respStr.isEmpty()) {
        try {
            FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

private void processFixedFormExtraction(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for extract fixed form....");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    com.ephesoft.dcma.batch.schema.Documents documents = null;
    InputStream instream = null;//from   w w w .  j av  a  2 s .  com
    OutputStream outStream = null;

    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);
            final DefaultMultipartHttpServletRequest multiPartRequest = (DefaultMultipartHttpServletRequest) req;

            final MultiValueMap<String, MultipartFile> fileMap = multiPartRequest.getMultiFileMap();
            String xmlFileName = WebServiceUtil.EMPTY_STRING;

            if (fileMap.size() != WebserviceConstants.THREE) {
                respStr = "Invalid number of files. We are supposed only 3 files each of type: XML, RSP and tif/tiff/png.";
                LOGGER.error(SERVER_ERROR_MSG + respStr);
            }

            if (respStr.isEmpty()) {
                for (final String fileName : fileMap.keySet()) {
                    try {
                        if (fileName.endsWith(FileType.XML.getExtensionWithDot())) {
                            xmlFileName = fileName;
                        }

                        final MultipartFile multiPartFile = multiPartRequest.getFile(fileName);
                        instream = multiPartFile.getInputStream();
                        final File file = new File(workingDir + File.separator + fileName);
                        outStream = new FileOutputStream(file);
                        final byte[] buf = new byte[WebServiceUtil.bufferSize];
                        int len = instream.read(buf);
                        while (len > 0) {
                            outStream.write(buf, 0, len);
                            len = instream.read(buf);
                        }
                        if (fileName.toLowerCase(Locale.getDefault())
                                .endsWith(FileType.TIF.getExtensionWithDot())
                                || fileName.toLowerCase(Locale.getDefault())
                                        .endsWith(FileType.TIFF.getExtensionWithDot())) {
                            int pageCount = TIFFUtil.getTIFFPageCount(workingDir + File.separator + fileName);
                            if (pageCount > 1) {
                                respStr = ONLY_ONE_SINGLE_PAGE_TIFF_EXPECTED;
                                break;
                            }
                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                    }
                }

                if (xmlFileName.isEmpty()) {
                    respStr = "XML file is not found. Returning without processing the results.";
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                }

                if (respStr.isEmpty()) {
                    final File xmlFile = new File(workingDir + File.separator + xmlFileName);
                    final FileInputStream inputStream = new FileInputStream(xmlFile);

                    Source source = null;
                    try {
                        source = XMLUtil.createSourceFromStream(inputStream);
                        if (respStr.isEmpty()) {
                            final WebServiceParams webServiceParams = (WebServiceParams) batchSchemaDao
                                    .getJAXB2Template().getJaxb2Marshaller().unmarshal(source);

                            List<Param> paramList = null;

                            if (webServiceParams != null && webServiceParams.getParams() != null) {
                                paramList = webServiceParams.getParams().getParam();
                            } else {
                                FileUtils.deleteDirectoryAndContentsRecursive(
                                        new File(workingDir).getParentFile());
                                respStr = "Invalid xml file mapped. Returning without processing the results.";
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }

                            if (respStr.isEmpty()) {
                                String colorSwitch = WebServiceUtil.EMPTY_STRING;
                                String projectFile = WebServiceUtil.EMPTY_STRING;
                                if (paramList == null || paramList.size() <= 0) {
                                    respStr = "Improper input to server. Returning without processing the results.";
                                } else {
                                    for (final Param param : paramList) {
                                        if (param.getName().equalsIgnoreCase(WebServiceUtil.COLOR_SWITCH)) {
                                            colorSwitch = param.getValue();
                                            LOGGER.info("Color Switch for recostar is :" + colorSwitch);
                                            continue;
                                        }
                                        if (param.getName().equalsIgnoreCase(WebServiceUtil.PROJECT_FILE)) {
                                            projectFile = param.getValue();
                                            LOGGER.info("Project file for recostar is :" + projectFile);
                                            continue;
                                        }
                                    }
                                }

                                String[] fileNames = null;
                                final File file = new File(workingDir);
                                respStr = WebServiceUtil.validateExtractFixedFormAPI(workingDir, projectFile,
                                        colorSwitch);

                                if (respStr.isEmpty()) {
                                    if (colorSwitch.equalsIgnoreCase(WebServiceUtil.ON_STRING)) {
                                        String[] tifFileNames = file.list(
                                                new CustomFileFilter(false, FileType.TIF.getExtensionWithDot(),
                                                        FileType.TIFF.getExtensionWithDot()));
                                        // generate png file for each tiff/tif file
                                        for (String tifFile : tifFileNames) {
                                            imService.generatePNGForImage(
                                                    new File(workingDir + File.separator + tifFile));
                                        }
                                        LOGGER.info("Picking up the png file for processing.");
                                        fileNames = file.list(new CustomFileFilter(false,
                                                FileType.PNG.getExtensionWithDot()));
                                    } else {
                                        LOGGER.info("Picking up the tif file for processing.");
                                        fileNames = file.list(
                                                new CustomFileFilter(false, FileType.TIF.getExtensionWithDot(),
                                                        FileType.TIFF.getExtensionWithDot()));
                                    }
                                    LOGGER.info("Number of file is:" + fileNames.length);

                                    if (fileNames != null && fileNames.length > 0) {
                                        for (final String fileName : fileNames) {
                                            LOGGER.info("File processing for recostar is :" + fileName);
                                            documents = recostarExtractionService
                                                    .extractDocLevelFieldsForRspFile(projectFile, workingDir,
                                                            colorSwitch, fileName, workingDir);
                                        }
                                    } else {
                                        if (colorSwitch.equalsIgnoreCase(WebServiceUtil.ON_STRING)) {
                                            respStr = "Image file of png type is not found for processing";
                                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                                        } else {
                                            respStr = "Image file of tif type is not found for processing";
                                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                                        }
                                    }

                                    if (respStr.isEmpty() && documents != null) {
                                        StreamResult result = new StreamResult(resp.getOutputStream());
                                        batchSchemaDao.getJAXB2Template().getJaxb2Marshaller()
                                                .marshal(documents, result);
                                    }
                                }
                            }
                        }
                    } catch (final DCMAException e) {
                        respStr = "Error occuring while creating OCR file using recostar. Please try later. "
                                + e;
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    } catch (final Exception e) {
                        respStr = "Improper input to server. Returning without processing the results." + e;
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    }
                }
            }
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        } catch (Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        }

    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To classify Barcode Image.//from ww w  .  j a va  2s  . c  o  m
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/classifyBarcodeImage", method = RequestMethod.POST)
@ResponseBody
public void classifyBarcodeImage(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for classifyBarcode.");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);

            final DefaultMultipartHttpServletRequest multipartReq = (DefaultMultipartHttpServletRequest) req;
            String batchClassId = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multipartReq.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase("batchClassId")) {
                    batchClassId = multipartReq.getParameter(paramName);
                    break;
                }
            }
            Map<BarcodeProperties, String> batchClassConfigMap = new HashMap<BarcodeProperties, String>();

            if (batchClassId == null || batchClassId.isEmpty()) {
                respStr = "Batch Class identifier not specified.";
            } else {
                BatchClass batchClass = bcService.getBatchClassByIdentifier(batchClassId);
                if (batchClass == null) {
                    respStr = "Batch class with the specified identifier: " + batchClassId + " does not exist.";
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                } else {
                    Set<String> loggedInUserRole = getUserRoles(req);
                    if (!isBatchClassViewableToUser(batchClassId, loggedInUserRole, isSuperAdmin(req))) {
                        respStr = USER_NOT_AUTHORIZED_TO_VIEW_THE_BATCH_CLASS + batchClassId;
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    } else {
                        BatchPlugin barcodeReader = batchClassPPService.getPluginProperties(batchClassId,
                                ICommonConstants.BARCODE_READER_PLUGIN);
                        BatchPlugin docAssemblyPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                DocumentAssemblerConstants.DOCUMENT_ASSEMBLER_PLUGIN);
                        if (barcodeReader == null || docAssemblyPlugin == null) {
                            respStr = "Either Barcode Reader plugin or document assembly plugin does not exist for the specified batch class id: "
                                    + batchClassId;
                        } else if (docAssemblyPlugin.getPluginConfigurations(
                                DocumentAssemblerProperties.DA_BARCODE_CONFIDENCE) == null) {
                            respStr = "Incomplete properties of the Document assembler plugin for the specified batch class id:"
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else if (barcodeReader
                                .getPluginConfigurations(BarcodeProperties.BARCODE_VALID_EXTNS) == null
                                || barcodeReader
                                        .getPluginConfigurations(BarcodeProperties.BARCODE_READER_TYPES) == null
                                || barcodeReader
                                        .getPluginConfigurations(BarcodeProperties.MAX_CONFIDENCE) == null
                                || barcodeReader
                                        .getPluginConfigurations(BarcodeProperties.MIN_CONFIDENCE) == null) {
                            respStr = "Incomplete properties of the Barcode reader plugin for the specified batch class id: "
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                }
            }
            if (respStr.isEmpty()) {
                batchClassConfigMap.put(BarcodeProperties.BARCODE_VALID_EXTNS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.BARCODE_READER_PLUGIN, BarcodeProperties.BARCODE_VALID_EXTNS));
                batchClassConfigMap.put(BarcodeProperties.BARCODE_READER_TYPES,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.BARCODE_READER_PLUGIN,
                                BarcodeProperties.BARCODE_READER_TYPES));
                batchClassConfigMap.put(BarcodeProperties.MAX_CONFIDENCE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.BARCODE_READER_PLUGIN, BarcodeProperties.MAX_CONFIDENCE));
                batchClassConfigMap.put(BarcodeProperties.MIN_CONFIDENCE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.BARCODE_READER_PLUGIN, BarcodeProperties.MIN_CONFIDENCE));

                final MultiValueMap<String, MultipartFile> fileMap = multipartReq.getMultiFileMap();

                if (fileMap.size() == 1) {
                    String tiffFileName = WebServiceUtil.EMPTY_STRING;
                    for (final String fileName : fileMap.keySet()) {
                        // only single tiff/tif file is expected as input
                        try {
                            if ((fileName.toLowerCase(Locale.getDefault())
                                    .indexOf(FileType.TIF.getExtension()) > -1
                                    || fileName.toLowerCase(Locale.getDefault())
                                            .indexOf(FileType.TIFF.getExtension()) > -1)) {

                                final MultipartFile multiPartFile = multipartReq.getFile(fileName);
                                instream = multiPartFile.getInputStream();
                                final File file = new File(workingDir + File.separator + fileName);
                                outStream = new FileOutputStream(file);
                                final byte buf[] = new byte[WebserviceConstants.BUF];
                                int len = instream.read(buf);
                                while (len > 0) {
                                    outStream.write(buf, 0, len);
                                    len = instream.read(buf);
                                }

                                if (TIFFUtil.getTIFFPageCount(file.getAbsolutePath()) > 1) {
                                    respStr = ONLY_ONE_SINGLE_PAGE_TIFF_EXPECTED;
                                }
                                tiffFileName = file.getName();
                                break;
                            } else {
                                respStr = "Improper input to server. Expected only one tiff file. Returning without processing the results.";
                            }
                        } finally {
                            IOUtils.closeQuietly(instream);
                            IOUtils.closeQuietly(outStream);
                        }
                    }
                    if (respStr.isEmpty()) {
                        ObjectFactory objectFactory = new ObjectFactory();

                        Pages pages = new Pages();
                        List<Page> listOfPages = pages.getPage();
                        List<Document> xmlDocuments = new ArrayList<Document>();
                        Document doc = objectFactory.createDocument();
                        xmlDocuments.add(doc);
                        doc.setPages(pages);

                        Page pageType = objectFactory.createPage();
                        pageType.setIdentifier(EphesoftProperty.PAGE.getProperty() + "0");
                        pageType.setNewFileName(tiffFileName);
                        listOfPages.add(pageType);
                        String batchInstanceIdentifier = new File(workingDir).getName() + Math.random();
                        barcodeService.extractPageBarCodeAPI(xmlDocuments, batchInstanceIdentifier, workingDir,
                                batchClassConfigMap);

                        try {
                            // invoke the document assembler plugin
                            xmlDocuments = docAssembler.createDocumentAPI(DocumentClassificationFactory.BARCODE,
                                    batchClassId, listOfPages);
                            Documents docs = new Documents();
                            docs.getDocument().addAll(xmlDocuments);
                            StreamResult result;
                            try {
                                result = new StreamResult(resp.getOutputStream());
                                resp.setStatus(HttpServletResponse.SC_OK);
                                batchSchemaDao.getJAXB2Template().getJaxb2Marshaller().marshal(docs, result);
                            } catch (final IOException e) {
                                respStr = INTERNAL_SERVER_ERROR + e;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                        } catch (final DCMAApplicationException e) {
                            respStr = "Error while executing plugin. Detailed exception is " + e;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                } else {
                    respStr = IMPROPER_INPUT_ONLY_ONE_HTML_FILE_EXPECTED;
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                }
            }
        } catch (final XmlMappingException xmle) {
            respStr = ERROR_IN_MAPPING_INPUT + xmle;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final DCMAException dcmae) {
            respStr = ERROR_PROCESSING_REQUEST + dcmae;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = "Improper input to server. Expected multipart request. Returing without processing the results.";
        LOGGER.error(SERVER_ERROR_MSG + respStr);
    }

    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To classify Image.// w  ww . j a v  a2 s  . c om
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/classifyImage", method = RequestMethod.POST)
@ResponseBody
public void classifyImage(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for classifyImage.");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);

            final DefaultMultipartHttpServletRequest multipartReq = (DefaultMultipartHttpServletRequest) req;
            String batchClassId = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multipartReq.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase("batchClassId")) {
                    batchClassId = multipartReq.getParameter(paramName);
                    break;
                }
            }

            if (batchClassId == null || batchClassId.isEmpty()) {
                respStr = "Batch Class identifier not specified.";
            } else {

                BatchClass batchClass = bcService.getBatchClassByIdentifier(batchClassId);
                if (batchClass == null) {
                    respStr = "Batch class with the specified identifier:" + batchClassId + " does not exist.";
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                } else {
                    Set<String> loggedInUserRole = getUserRoles(req);
                    if (!isBatchClassViewableToUser(batchClassId, loggedInUserRole, isSuperAdmin(req))) {
                        respStr = USER_NOT_AUTHORIZED_TO_VIEW_THE_BATCH_CLASS + batchClassId;
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    } else {
                        BatchPlugin createThumbPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                ImageMagicKConstants.CREATE_THUMBNAILS_PLUGIN);
                        BatchPlugin classifyImgPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                ImageMagicKConstants.CLASSIFY_IMAGES_PLUGIN);
                        BatchPlugin docAssemblyPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                DocumentAssemblerConstants.DOCUMENT_ASSEMBLER_PLUGIN);
                        if (createThumbPlugin == null || classifyImgPlugin == null
                                || docAssemblyPlugin == null) {
                            respStr = "Either create Thumbnails plugin or Classify Image plugin or document assembly plugin does not exist for the specified batch class id: "
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else if (createThumbPlugin.getPluginConfigurations(
                                ImageMagicProperties.CREATE_THUMBNAILS_OUTPUT_IMAGE_PARAMETERS) == null
                                || createThumbPlugin.getPluginConfigurations(
                                        ImageMagicProperties.CREATE_THUMBNAILS_COMP_THUMB_WIDTH) == null
                                || createThumbPlugin.getPluginConfigurations(
                                        ImageMagicProperties.CREATE_THUMBNAILS_COMP_THUMB_HEIGHT) == null) {
                            respStr = "Create Thumbnails Height or width or output image parameters does not exist for the specified batch class id: "
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else if (classifyImgPlugin.getPluginConfigurations(
                                ImageMagicProperties.CLASSIFY_IMAGES_COMP_METRIC) == null
                                || classifyImgPlugin.getPluginConfigurations(
                                        ImageMagicProperties.CLASSIFY_IMAGES_MAX_RESULTS) == null
                                || classifyImgPlugin.getPluginConfigurations(
                                        ImageMagicProperties.CLASSIFY_IMAGES_FUZZ_PERCNT) == null) {
                            respStr = "Classify Images comp metric or fuzz percent or max results does not exist for the specified batch class id: "
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else if (docAssemblyPlugin
                                .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP_MP_LP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_MP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_MP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_MP_LP) == null) {
                            respStr = "Incomplete properties of the Document assembler plugin for the specified batch class id: "
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                }
            }
            if (respStr.isEmpty()) {

                final String outputParams = batchClassPPService.getPropertyValue(batchClassId,
                        ImageMagicKConstants.CREATE_THUMBNAILS_PLUGIN,
                        ImageMagicProperties.CREATE_THUMBNAILS_OUTPUT_IMAGE_PARAMETERS);

                final MultiValueMap<String, MultipartFile> fileMap = multipartReq.getMultiFileMap();

                if (fileMap.size() == 1) {
                    String[][] sListOfTiffFiles = new String[fileMap.size()][WebserviceConstants.THREE];
                    for (final String fileName : fileMap.keySet()) {
                        // only single tiff file is expected as input
                        try {
                            if ((fileName.toLowerCase(Locale.getDefault())
                                    .indexOf(FileType.TIF.getExtension()) > -1
                                    || fileName.toLowerCase(Locale.getDefault())
                                            .indexOf(FileType.TIFF.getExtension()) > -1)) {

                                final MultipartFile multipartFile = multipartReq.getFile(fileName);
                                instream = multipartFile.getInputStream();
                                final File file = new File(workingDir + File.separator + fileName);
                                outStream = new FileOutputStream(file);
                                final byte buf[] = new byte[WebserviceConstants.BUF];
                                int len = instream.read(buf);
                                while (len > WebserviceConstants.ZERO) {
                                    outStream.write(buf, 0, len);
                                    len = instream.read(buf);
                                }

                                if (TIFFUtil
                                        .getTIFFPageCount(file.getAbsolutePath()) > WebserviceConstants.ONE) {
                                    respStr = ONLY_ONE_SINGLE_PAGE_TIFF_EXPECTED;
                                }
                                break;
                            } else {
                                respStr = "Improper input to server. Expected only one tiff file. Returning without processing the results.";
                            }
                        } finally {
                            IOUtils.closeQuietly(instream);
                            IOUtils.closeQuietly(outStream);
                        }
                    }
                    if (respStr.isEmpty()) {
                        String compareThumbnailH = batchClassPPService.getPropertyValue(batchClassId,
                                ImageMagicKConstants.CREATE_THUMBNAILS_PLUGIN,
                                ImageMagicProperties.CREATE_THUMBNAILS_COMP_THUMB_HEIGHT);
                        String compareThumbnailW = batchClassPPService.getPropertyValue(batchClassId,
                                ImageMagicKConstants.CREATE_THUMBNAILS_PLUGIN,
                                ImageMagicProperties.CREATE_THUMBNAILS_COMP_THUMB_WIDTH);

                        String batchId = new File(workingDir).getName() + Math.random();
                        ObjectFactory objectFactory = new ObjectFactory();
                        Pages pages = new Pages();
                        List<Page> listOfPages = pages.getPage();
                        String[] imageFiles = new File(workingDir).list(new CustomFileFilter(false,
                                FileType.TIFF.getExtensionWithDot(), FileType.TIF.getExtensionWithDot()));
                        for (int i = 0; i < imageFiles.length; i++) {
                            String fileName = workingDir + File.separator + imageFiles[i];
                            String thumbFileName = "th" + FileType.TIF.getExtensionWithDot();
                            String fileTiffPath = workingDir + File.separator + thumbFileName;
                            sListOfTiffFiles[i][0] = fileName;
                            sListOfTiffFiles[i][1] = fileTiffPath;
                            sListOfTiffFiles[i][2] = Integer.toString(i);

                            Page pageType = objectFactory.createPage();
                            pageType.setIdentifier(EphesoftProperty.PAGE.getProperty() + i);
                            pageType.setNewFileName(fileName);
                            pageType.setOldFileName(fileName);
                            pageType.setDirection(Direction.NORTH);
                            pageType.setIsRotated(false);
                            pageType.setComparisonThumbnailFileName(thumbFileName);
                            listOfPages.add(pageType);
                        }

                        final BatchInstanceThread threadList = imService.createCompThumbForImage(batchId,
                                workingDir, sListOfTiffFiles, outputParams, compareThumbnailH,
                                compareThumbnailW);

                        try {
                            threadList.execute();
                            // invoke the Classification Image plugin
                            String imMetric = batchClassPPService.getPropertyValue(batchClassId,
                                    ImageMagicKConstants.CLASSIFY_IMAGES_PLUGIN,
                                    ImageMagicProperties.CLASSIFY_IMAGES_COMP_METRIC);
                            String imFuzz = batchClassPPService.getPropertyValue(batchClassId,
                                    ImageMagicKConstants.CLASSIFY_IMAGES_PLUGIN,
                                    ImageMagicProperties.CLASSIFY_IMAGES_FUZZ_PERCNT);
                            String maxVal = batchClassPPService.getPropertyValue(batchClassId,
                                    ImageMagicKConstants.CLASSIFY_IMAGES_PLUGIN,
                                    ImageMagicProperties.CLASSIFY_IMAGES_MAX_RESULTS);

                            imService.classifyImagesAPI(maxVal, imMetric, imFuzz, batchId, batchClassId,
                                    workingDir, listOfPages);

                            // invoke the document assembler plugin
                            List<Document> doc = docAssembler.createDocumentAPI(
                                    DocumentClassificationFactory.IMAGE, batchClassId, listOfPages);
                            Documents docs = new Documents();
                            docs.getDocument().addAll(doc);
                            StreamResult result;
                            try {
                                result = new StreamResult(resp.getOutputStream());
                                batchSchemaDao.getJAXB2Template().getJaxb2Marshaller().marshal(docs, result);
                            } catch (final IOException e) {
                                respStr = INTERNAL_SERVER_ERROR + e;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                        } catch (final DCMAApplicationException e) {
                            threadList.remove();
                            respStr = "Error while executing threadpool. Detailed exception is " + e;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } catch (final DCMAException e) {
                            threadList.remove();
                            respStr = "Error while executing threadpool. Detailed exception is " + e;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                } else {
                    respStr = "Improper input to server. Expected only one tiff file. Returning without processing the results.";
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                }
            }
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = IMPROPER_INPUT_TO_SERVER;
    }
    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To create OCR./*w  w  w .j ava  2  s. c o m*/
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/createOCR", method = RequestMethod.POST)
@ResponseBody
public void createOCR(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for create OCRing");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);
            final String outputDir = WebServiceUtil.createWebServiceOutputDir(workingDir);

            final DefaultMultipartHttpServletRequest multiPartRequest = (DefaultMultipartHttpServletRequest) req;

            final BatchInstanceThread batchInstanceThread = new BatchInstanceThread(
                    new File(workingDir).getName() + Math.random());

            final MultiValueMap<String, MultipartFile> fileMap = multiPartRequest.getMultiFileMap();

            if (!(fileMap.size() >= 2 && fileMap.size() <= WebserviceConstants.THREE)) {
                respStr = "Invalid number of files. We are supposed only 3 files each of type:XML, Project RSP file(if recostar tool) and tif/tiff/png file.";
            }
            if (respStr.isEmpty()) {
                String xmlFileName = WebServiceUtil.EMPTY_STRING;
                for (final String fileName : fileMap.keySet()) {
                    try {
                        if (fileName.endsWith(FileType.XML.getExtensionWithDot())) {
                            xmlFileName = fileName;
                        }
                        final MultipartFile multiPartFile = multiPartRequest.getFile(fileName);
                        instream = multiPartFile.getInputStream();
                        final File file = new File(workingDir + File.separator + fileName);
                        outStream = new FileOutputStream(file);
                        final byte[] buf = new byte[WebServiceUtil.bufferSize];
                        int len = instream.read(buf);
                        while (len > 0) {
                            outStream.write(buf, 0, len);
                            len = instream.read(buf);
                        }
                        if (fileName.endsWith(FileType.TIF.getExtensionWithDot())
                                || fileName.endsWith(FileType.TIFF.getExtensionWithDot())) {
                            int pageCount = TIFFUtil.getTIFFPageCount(workingDir + File.separator + fileName);
                            if (pageCount > 1) {
                                respStr = ONLY_ONE_SINGLE_PAGE_TIFF_EXPECTED;
                                break;
                            }
                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                    }

                }
                WebServiceParams webServiceParams = null;
                final File xmlFile = new File(workingDir + File.separator + xmlFileName);
                if (xmlFile.exists()) {
                    final FileInputStream inputStream = new FileInputStream(xmlFile);
                    Source source = XMLUtil.createSourceFromStream(inputStream);
                    webServiceParams = (WebServiceParams) batchSchemaDao.getJAXB2Template().getJaxb2Marshaller()
                            .unmarshal(source);
                }

                List<Param> paramList = webServiceParams.getParams().getParam();
                if (paramList == null || paramList.isEmpty()) {
                    FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
                    respStr = IMPROPER_XML_PARAMETER;
                } else {
                    String ocrEngine = WebServiceUtil.EMPTY_STRING;
                    String colorSwitch = WebServiceUtil.EMPTY_STRING;
                    String projectFile = WebServiceUtil.EMPTY_STRING;
                    String tesseractVersion = WebServiceUtil.EMPTY_STRING;
                    String cmdLanguage = WebServiceUtil.EMPTY_STRING;
                    for (final Param param : paramList) {
                        if (param.getName().equalsIgnoreCase(WebServiceUtil.OCR_ENGINE)) {
                            ocrEngine = param.getValue();
                            continue;
                        }
                        if (param.getName().equalsIgnoreCase(WebServiceUtil.COLOR_SWITCH)) {
                            colorSwitch = param.getValue();
                            continue;
                        }
                        if (param.getName().equalsIgnoreCase(WebServiceUtil.PROJECT_FILE)) {
                            projectFile = param.getValue();
                            LOGGER.info("Project file for recostar is :" + projectFile);
                            continue;
                        }
                        if (param.getName().equalsIgnoreCase(WebServiceUtil.TESSERACT_VERSION)) {
                            tesseractVersion = param.getValue();
                            LOGGER.info("Tesseract version is: " + tesseractVersion);
                            continue;
                        }
                        if (param.getName().equalsIgnoreCase(WebServiceUtil.CMD_LANGUAGE)) {
                            // supported values are "eng" and "tha" for now provided tesseract engine is learnt.
                            cmdLanguage = param.getValue();
                            LOGGER.info("cmd langugage is :" + cmdLanguage);
                            continue;
                        }
                    }

                    String results = WebServiceUtil.validateCreateOCRAPI(workingDir, ocrEngine, colorSwitch,
                            projectFile, tesseractVersion, cmdLanguage);
                    if (!results.isEmpty()) {
                        respStr = results;
                    } else {
                        String[] fileNames = null;
                        final File file = new File(workingDir);
                        if (colorSwitch.equalsIgnoreCase(WebServiceUtil.ON_STRING)) {
                            String[] tifFileNames = file.list(new CustomFileFilter(false,
                                    FileType.TIF.getExtensionWithDot(), FileType.TIFF.getExtensionWithDot()));
                            // generate png file for each tiff/tif file
                            for (String tifFile : tifFileNames) {
                                imService.generatePNGForImage(new File(workingDir + File.separator + tifFile));
                            }
                            LOGGER.info("Picking up the png file for processing.");
                            fileNames = file
                                    .list(new CustomFileFilter(false, FileType.PNG.getExtensionWithDot()));
                        } else {
                            LOGGER.info("Picking up the tif file for processing.");
                            fileNames = file.list(new CustomFileFilter(false,
                                    FileType.TIF.getExtensionWithDot(), FileType.TIFF.getExtensionWithDot()));
                        }
                        LOGGER.info("Number of file is:" + fileNames.length);
                        LOGGER.info("OcrEngine used for generating ocr is :" + ocrEngine);
                        if (ocrEngine.equalsIgnoreCase(WebServiceUtil.RECOSTAR)) {
                            if (fileNames != null && fileNames.length > 0) {
                                for (final String fileName : fileNames) {
                                    try {
                                        LOGGER.info("File processing for recostar is :" + fileName);
                                        recostarService.createOCR(projectFile, workingDir, colorSwitch,
                                                fileName, batchInstanceThread, outputDir);
                                    } catch (final DCMAException e) {
                                        respStr = "Error occuring while creating OCR file using recostar. Please try again."
                                                + e;
                                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                                        break;
                                    }
                                }
                            } else {
                                if (colorSwitch.equalsIgnoreCase(WebServiceUtil.OFF_STRING)) {
                                    respStr = "Improper input to server. No tiff files provided.";
                                } else {
                                    respStr = "Improper input to server. No tiff/png files provided.";
                                }
                            }
                        } else if (ocrEngine.equalsIgnoreCase(WebServiceUtil.TESSERACT)) {
                            if (fileNames != null && fileNames.length > 0) {
                                for (final String fileName : fileNames) {
                                    try {
                                        LOGGER.info("File processing for ocr with tesseract is :" + fileName);
                                        tesseractService.createOCR(workingDir, colorSwitch, fileName,
                                                batchInstanceThread, outputDir, cmdLanguage, tesseractVersion);
                                    } catch (final DCMAException e) {
                                        respStr = "Error occuring while creating OCR file using tesseract. Please try again."
                                                + e;
                                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                                        break;
                                    }
                                }
                            } else {
                                respStr = "Improper input to server. No tiff/png files provided.";
                                LOGGER.error(SERVER_ERROR_MSG + respStr);

                            }
                        } else {
                            respStr = "Please select valid tool for generating OCR file.";
                        }
                        if (respStr.isEmpty()) {
                            try {
                                batchInstanceThread.execute();
                                if (ocrEngine.equalsIgnoreCase(WebServiceUtil.RECOSTAR)) {
                                    for (final String fileName : fileNames) {
                                        final String recostarXMLFileName = fileName.substring(0,
                                                fileName.lastIndexOf(WebServiceUtil.DOT))
                                                + FileType.XML.getExtensionWithDot();
                                        try {
                                            FileUtils.copyFile(
                                                    new File(workingDir + File.separator + recostarXMLFileName),
                                                    new File(outputDir + File.separator + recostarXMLFileName));
                                        } catch (final Exception e) {
                                            respStr = "Error while generating copying result file." + e;
                                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                                            break;
                                        }
                                    }
                                }
                            } catch (final DCMAApplicationException e) {
                                respStr = "Exception while generating ocr using threadpool" + e;
                            }
                            if (respStr.isEmpty()) {
                                ServletOutputStream out = null;
                                ZipOutputStream zout = null;
                                final String zipFileName = WebServiceUtil.SERVEROUTPUTFOLDERNAME;
                                resp.setContentType(WebServiceUtil.APPLICATION_X_ZIP);
                                resp.setHeader(WebServiceUtil.CONTENT_DISPOSITION,
                                        WebServiceUtil.ATTACHMENT_FILENAME + zipFileName
                                                + FileType.ZIP.getExtensionWithDot() + NEXT_LINE_STRING);
                                try {
                                    out = resp.getOutputStream();
                                    zout = new ZipOutputStream(out);
                                    FileUtils.zipDirectory(outputDir, zout, zipFileName);
                                    resp.setStatus(HttpServletResponse.SC_OK);
                                } catch (final IOException e) {
                                    respStr = "Error in creating output zip file.Please try again." + e;
                                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                                } finally {
                                    IOUtils.closeQuietly(zout);
                                    IOUtils.closeQuietly(out);

                                    FileUtils.deleteDirectoryAndContentsRecursive(
                                            new File(workingDir).getParentFile());
                                }
                            }
                        }
                    }
                }
            }
        } catch (final XmlMappingException xmle) {
            respStr = ERROR_IN_MAPPING_INPUT + xmle;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final DCMAException dcmae) {
            respStr = ERROR_PROCESSING_REQUEST + dcmae;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = IMPROPER_INPUT_TO_SERVER;
        LOGGER.error(SERVER_ERROR_MSG + respStr);
    }
    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To create Searchable PDF./* w ww . j av  a 2 s .  co  m*/
 * @param request {@link HttpServletRequest}
 * @param response {@link HttpServletResponse}
 */
@RequestMapping(value = "/createSearchablePDF", method = RequestMethod.POST)
@ResponseBody
public void createSearchablePDF(final HttpServletRequest request, final HttpServletResponse response) {
    LOGGER.info("Start processing web service for create searchable pdf");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (request instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);
            LOGGER.info("workingDir:" + workingDir);
            final String outputDir = WebServiceUtil.createWebServiceOutputDir(workingDir);
            LOGGER.info("outputDir:" + outputDir);
            final DefaultMultipartHttpServletRequest multipartRequest = (DefaultMultipartHttpServletRequest) request;
            final BatchInstanceThread batchInstanceThread = new BatchInstanceThread(
                    new File(workingDir).getName() + Math.random());

            final String isColorImage = request.getParameter("isColorImage");
            final String isSearchableImage = request.getParameter("isSearchableImage");
            final String outputPDFFileName = request.getParameter("outputPDFFileName");
            final String projectFile = request.getParameter(WebServiceUtil.PROJECT_FILE);
            String results = WebServiceUtil.validateSearchableAPI(outputPDFFileName, projectFile,
                    FileType.PDF.getExtensionWithDot(), isSearchableImage, isColorImage);
            if (!results.isEmpty()) {
                respStr = results;
            } else {
                LOGGER.info("Value of isColorImage" + isColorImage);
                LOGGER.info("Value of isSearchableImage" + isSearchableImage);
                LOGGER.info("Value of outputPDFFileName" + outputPDFFileName);
                LOGGER.info("Value of projectFile" + projectFile);

                final MultiValueMap<String, MultipartFile> fileMap = multipartRequest.getMultiFileMap();
                for (final String fileName : fileMap.keySet()) {
                    try {
                        if (fileName.toLowerCase(Locale.getDefault()).indexOf(WebServiceUtil.RSP_EXTENSION) > -1
                                || fileName.toLowerCase(Locale.getDefault())
                                        .indexOf(FileType.TIF.getExtension()) > -1
                                || fileName.toLowerCase(Locale.getDefault())
                                        .indexOf(FileType.TIFF.getExtension()) > -1) {
                            // only tiffs and RSP file is expected
                            final MultipartFile multiPartFile = multipartRequest.getFile(fileName);
                            try {
                                instream = multiPartFile.getInputStream();
                                final File file = new File(workingDir + File.separator + fileName);
                                outStream = new FileOutputStream(file);
                                final byte[] buf = new byte[WebServiceUtil.bufferSize];
                                int len = instream.read(buf);
                                while (len > 0) {
                                    outStream.write(buf, 0, len);
                                    len = instream.read(buf);
                                }

                                if (fileName.endsWith(FileType.TIF.getExtensionWithDot())
                                        || fileName.endsWith(FileType.TIFF.getExtensionWithDot())) {
                                    int pageCount = TIFFUtil
                                            .getTIFFPageCount(workingDir + File.separator + fileName);
                                    if (pageCount > 1) {
                                        respStr = ONLY_ONE_SINGLE_PAGE_TIFF_EXPECTED;
                                        break;
                                    }
                                }
                            } finally {
                                if (instream != null) {
                                    instream.close();
                                }
                                if (outStream != null) {
                                    outStream.close();
                                }
                            }
                        } else {
                            respStr = "Only tiff, tif and rsp files expected.";
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                            break;
                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                    }
                }
                if (respStr.isEmpty()) {
                    String[] imageFiles = null;
                    final File file = new File(workingDir);

                    imageFiles = file.list(new CustomFileFilter(false, FileType.TIFF.getExtensionWithDot(),
                            FileType.TIF.getExtensionWithDot()));

                    if (imageFiles == null || imageFiles.length == 0) {
                        respStr = "No tif/tiff file found for processing.";
                    }
                    // getting rsp project file name
                    String rspProjectFile = workingDir + File.separator + projectFile;
                    LOGGER.info("rspProjectFile:" + rspProjectFile);
                    File rspFile = new File(rspProjectFile);

                    if (rspProjectFile == null || !rspFile.exists()) {
                        respStr = "Invalid project file. Please verify the project file.";
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    }

                    if (respStr.isEmpty()) {
                        final String[] pages = new String[imageFiles.length + 1];
                        int index = 0;
                        for (final String imageFileName : imageFiles) {
                            pages[index] = workingDir + File.separator + imageFileName;
                            index++;

                            if (WebServiceUtil.TRUE.equalsIgnoreCase(isColorImage)) {
                                try {
                                    LOGGER.info("Generating png image files");
                                    imService.generatePNGForImage(
                                            new File(workingDir + File.separator + imageFileName));
                                    // getting png file name from image file name
                                    final String pngFileName = imageFileName.substring(0,
                                            imageFileName.lastIndexOf(WebServiceUtil.DOT))
                                            + FileType.PNG.getExtensionWithDot();
                                    // creating OCR
                                    recostarService.createOCR(projectFile, workingDir, WebServiceUtil.ON_STRING,
                                            pngFileName, batchInstanceThread, workingDir);
                                } catch (final DCMAException e) {
                                    // deleting directory
                                    FileUtils.deleteDirectoryAndContentsRecursive(
                                            new File(workingDir).getParentFile());
                                    respStr = "Error in generating plugin output for color switch \"ON\" for image:"
                                            + imageFileName + ". " + e;
                                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                                }
                            } else {
                                try {
                                    // creating OCR
                                    recostarService.createOCR(projectFile, workingDir,
                                            WebServiceUtil.OFF_STRING, imageFileName, batchInstanceThread,
                                            workingDir);
                                } catch (final DCMAException e) {
                                    FileUtils.deleteDirectoryAndContentsRecursive(
                                            new File(workingDir).getParentFile());
                                    respStr = "Error in generating plugin output for color switch \"OFF\" for image:"
                                            + imageFileName + ". " + e;
                                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                                }
                            }
                        }
                        if (respStr.isEmpty()) {
                            try {
                                LOGGER.info("Generating HOCR file for input images.");
                                // executing the batch instance thread
                                batchInstanceThread.execute();
                                batchInstanceThread.remove();
                                final String outputPDFFile = workingDir + File.separator + outputPDFFileName;
                                pages[index] = outputPDFFile;
                                // creating searchable PDF
                                imService.createSearchablePDF(isColorImage, isSearchableImage, workingDir,
                                        pages, batchInstanceThread, WebServiceUtil.DOCUMENTID);
                                batchInstanceThread.execute();
                                LOGGER.info("Copying output searchable file");
                                FileUtils.copyFile(new File(outputPDFFile),
                                        new File(outputDir + File.separator + outputPDFFileName));
                            } catch (final DCMAApplicationException e) {
                                batchInstanceThread.remove();
                                // deleting the directory contents
                                FileUtils.deleteDirectoryAndContentsRecursive(
                                        new File(workingDir).getParentFile());
                                respStr = "Error in generating searchable pdf." + e;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                            if (respStr.isEmpty()) {
                                ServletOutputStream out = null;
                                ZipOutputStream zout = null;
                                final String zipFileName = WebServiceUtil.SERVEROUTPUTFOLDERNAME;
                                // setting the content type
                                response.setContentType(WebServiceUtil.ATTACHMENT_FILENAME);
                                // setting the content header
                                response.setHeader(WebServiceUtil.CONTENT_DISPOSITION,
                                        WebServiceUtil.ATTACHMENT_FILENAME + zipFileName
                                                + FileType.ZIP.getExtensionWithDot() + NEXT_LINE_STRING);
                                try {
                                    // zip the directory contents and set the response status
                                    out = response.getOutputStream();
                                    zout = new ZipOutputStream(out);
                                    FileUtils.zipDirectory(outputDir, zout, zipFileName);
                                    response.setStatus(HttpServletResponse.SC_OK);
                                } catch (final IOException e) {
                                    respStr = "Unable to process web service request.Please try again." + e;
                                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                                } finally {
                                    // clean up code
                                    IOUtils.closeQuietly(zout);
                                    IOUtils.closeQuietly(out);
                                    FileUtils.deleteDirectoryAndContentsRecursive(
                                            new File(workingDir).getParentFile());
                                }
                            }
                        }
                    }
                }
            }
        } catch (Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = IMPROPER_INPUT_TO_SERVER;
    }
    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To classify Hocr.//from www . j av a2 s  . c  o m
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/classifyHocr", method = RequestMethod.POST)
@ResponseBody
public void classifyHocr(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for classifyHocr.");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);

            final DefaultMultipartHttpServletRequest multipartReq = (DefaultMultipartHttpServletRequest) req;
            String batchClassId = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multipartReq.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase("batchClassId")) {
                    batchClassId = multipartReq.getParameter(paramName);
                    break;
                }
            }
            Map<LuceneProperties, String> batchClassConfigMap = new HashMap<LuceneProperties, String>();

            if (batchClassId == null || batchClassId.isEmpty()) {
                respStr = "Batch Class identifier not specified.";
                LOGGER.error(SERVER_ERROR_MSG + respStr);
            } else {
                BatchClass batchClass = bcService.getBatchClassByIdentifier(batchClassId);
                if (batchClass == null) {
                    respStr = "Batch class with the specified identifier : " + batchClassId
                            + " does not exist.";
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                } else {
                    Set<String> loggedInUserRole = getUserRoles(req);
                    if (!isBatchClassViewableToUser(batchClassId, loggedInUserRole, isSuperAdmin(req))) {
                        respStr = USER_NOT_AUTHORIZED_TO_VIEW_THE_BATCH_CLASS + batchClassId;
                        LOGGER.error(SERVER_ERROR_MSG + respStr);
                    } else {
                        BatchPlugin searchClassPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN);
                        BatchPlugin docAssemblyPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                DocumentAssemblerConstants.DOCUMENT_ASSEMBLER_PLUGIN);
                        if (searchClassPlugin == null || docAssemblyPlugin == null) {
                            respStr = "Either Search Classification plugin or document assembly plugin does not exist for the specified batch class id: "
                                    + batchClassId;
                        } else if (docAssemblyPlugin
                                .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP_MP_LP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_MP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_MP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_MP_LP) == null) {
                            respStr = "Incomplete properties of the Document assembler plugin for the specified batch class id :"
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        } else if (searchClassPlugin
                                .getPluginConfigurations(LuceneProperties.LUCENE_VALID_EXTNS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_INDEX_FIELDS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_STOP_WORDS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_MIN_TERM_FREQ) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_MIN_DOC_FREQ) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MIN_WORD_LENGTH) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MAX_QUERY_TERMS) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_TOP_LEVEL_FIELD) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_NO_OF_PAGES) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MAX_RESULT_COUNT) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE) == null) {
                            respStr = "Incomplete properties of the Search Classification plugin for the specified batch class id :"
                                    + batchClassId;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                }
            }
            if (respStr.isEmpty()) {
                batchClassConfigMap.put(LuceneProperties.LUCENE_VALID_EXTNS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_VALID_EXTNS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_INDEX_FIELDS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_INDEX_FIELDS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_STOP_WORDS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_STOP_WORDS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_TERM_FREQ,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_TERM_FREQ));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_DOC_FREQ,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_DOC_FREQ));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_WORD_LENGTH,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_WORD_LENGTH));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MAX_QUERY_TERMS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MAX_QUERY_TERMS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_TOP_LEVEL_FIELD,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_TOP_LEVEL_FIELD));
                batchClassConfigMap.put(LuceneProperties.LUCENE_NO_OF_PAGES,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_NO_OF_PAGES));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MAX_RESULT_COUNT,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MAX_RESULT_COUNT));
                batchClassConfigMap.put(LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE));
                batchClassConfigMap.put(LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE));

                final MultiValueMap<String, MultipartFile> fileMap = multipartReq.getMultiFileMap();

                if (fileMap.size() == 1) {
                    String hocrFileName = "";
                    for (final String fileName : fileMap.keySet()) {
                        // only single html file is expected as input
                        try {
                            if (fileName.toLowerCase(Locale.getDefault())
                                    .indexOf(FileType.HTML.getExtension()) > -1) {
                                // only HTML file is expected
                                hocrFileName = fileName;
                                final MultipartFile multiPartFile = multipartReq.getFile(fileName);
                                instream = multiPartFile.getInputStream();
                                final File file = new File(workingDir + File.separator + fileName);
                                outStream = new FileOutputStream(file);
                                final byte buf[] = new byte[WebServiceUtil.bufferSize];
                                int len = instream.read(buf);
                                while (len > 0) {
                                    outStream.write(buf, 0, len);
                                    len = instream.read(buf);
                                }

                                break;
                            } else {
                                respStr = IMPROPER_INPUT_ONLY_ONE_HTML_FILE_EXPECTED;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                        } finally {
                            IOUtils.closeQuietly(instream);
                            IOUtils.closeQuietly(outStream);
                        }
                    }
                    if (respStr.isEmpty()) {
                        ObjectFactory objectFactory = new ObjectFactory();

                        Pages pages = new Pages();
                        List<Page> listOfPages = pages.getPage();
                        List<Document> xmlDocuments = new ArrayList<Document>();
                        Document doc = objectFactory.createDocument();
                        xmlDocuments.add(doc);
                        doc.setPages(pages);
                        String fileName = workingDir + File.separator + hocrFileName;

                        // generate hocr file from html file.
                        HocrPages hocrPages = new HocrPages();
                        List<HocrPage> hocrPageList = hocrPages.getHocrPage();
                        HocrPage hocrPage = new HocrPage();
                        String pageID = WebServiceUtil.PG0;
                        hocrPage.setPageID(pageID);
                        hocrPageList.add(hocrPage);
                        bsService.hocrGenerationAPI(workingDir, WebServiceUtil.PG0, fileName, hocrPage);

                        Page pageType = objectFactory.createPage();
                        pageType.setIdentifier(EphesoftProperty.PAGE.getProperty() + "0");
                        pageType.setHocrFileName(hocrFileName);
                        listOfPages.add(pageType);
                        scService.generateConfidenceScoreAPI(xmlDocuments, hocrPages, workingDir,
                                batchClassConfigMap, batchClassId);

                        try {
                            // invoke the document assembler plugin
                            xmlDocuments = docAssembler.createDocumentAPI(
                                    DocumentClassificationFactory.SEARCHCLASSIFICATION, batchClassId,
                                    listOfPages);
                            Documents docs = new Documents();
                            docs.getDocument().addAll(xmlDocuments);
                            StreamResult result;
                            try {
                                result = new StreamResult(resp.getOutputStream());
                                resp.setStatus(HttpServletResponse.SC_OK);
                                batchSchemaDao.getJAXB2Template().getJaxb2Marshaller().marshal(docs, result);
                            } catch (final IOException e) {
                                respStr = INTERNAL_SERVER_ERROR + e;
                                LOGGER.error(SERVER_ERROR_MSG + respStr);
                            }
                        } catch (final DCMAApplicationException e) {
                            respStr = "Error while executing plugin. Detailed exception is " + e;
                            LOGGER.error(SERVER_ERROR_MSG + respStr);
                        }
                    }
                } else {
                    respStr = IMPROPER_INPUT_ONLY_ONE_HTML_FILE_EXPECTED;
                    LOGGER.error(SERVER_ERROR_MSG + respStr);
                }
            }
        } catch (final XmlMappingException xmle) {
            respStr = ERROR_IN_MAPPING_INPUT + xmle;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final DCMAException dcmae) {
            respStr = ERROR_PROCESSING_REQUEST + dcmae;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error(SERVER_ERROR_MSG + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }

        }
    } else {
        respStr = "Improper input to server. Expected multipart request. Returing without processing the results.";
        LOGGER.error(SERVER_ERROR_MSG + respStr);
    }

    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error(SERVER_ERROR_MSG + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(ERROR_WHILE_SENDING_ERROR_RESPONSE_TO_CLIENT + ioe, ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.EphesoftWebServiceAPI.java

/**
 * To classify Multi Page Hocr./*w  w  w  .j  av a  2 s. c  o m*/
 * @param req {@link HttpServletRequest}
 * @param resp {@link HttpServletResponse}
 */
@RequestMapping(value = "/classifyMultiPageHocr", method = RequestMethod.POST)
@ResponseBody
public void classifyMultiPageHocr(final HttpServletRequest req, final HttpServletResponse resp) {
    LOGGER.info("Start processing web service for classifyHocr.");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    InputStream instream = null;
    OutputStream outStream = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = bsService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);

            final DefaultMultipartHttpServletRequest multipartReq = (DefaultMultipartHttpServletRequest) req;
            String batchClassId = WebServiceUtil.EMPTY_STRING;
            for (final Enumeration<String> params = multipartReq.getParameterNames(); params
                    .hasMoreElements();) {
                final String paramName = params.nextElement();
                if (paramName.equalsIgnoreCase("batchClassId")) {
                    batchClassId = multipartReq.getParameter(paramName);
                    break;
                }
            }
            Map<LuceneProperties, String> batchClassConfigMap = new HashMap<LuceneProperties, String>();

            if (batchClassId == null || batchClassId.isEmpty()) {
                respStr = "Batch Class identifier not specified.";
                LOGGER.error("Error response at server:" + respStr);
            } else {
                BatchClass bc = bcService.getBatchClassByIdentifier(batchClassId);
                if (bc == null) {
                    respStr = "Batch class with the specified identifier : " + batchClassId
                            + " does not exist.";
                    LOGGER.error("Error response at server:" + respStr);
                } else {
                    Set<String> loggedInUserRole = getUserRoles(req);
                    if (!isBatchClassViewableToUser(batchClassId, loggedInUserRole, isSuperAdmin(req))) {
                        respStr = "User is not authorized to view the batch class for given identifier:"
                                + batchClassId;
                        LOGGER.error("Error response at server:" + respStr);
                    } else {
                        BatchPlugin searchClassPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN);
                        BatchPlugin docAssemblyPlugin = batchClassPPService.getPluginProperties(batchClassId,
                                DocumentAssemblerConstants.DOCUMENT_ASSEMBLER_PLUGIN);
                        if (searchClassPlugin == null || docAssemblyPlugin == null) {
                            respStr = "Either Search Classification plugin or document assembly plugin does not exist for the specified batch class id: "
                                    + batchClassId;
                        } else if (docAssemblyPlugin
                                .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP_MP_LP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_FP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_MP) == null
                                || docAssemblyPlugin
                                        .getPluginConfigurations(DocumentAssemblerProperties.DA_RULE_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_LP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_FP_MP) == null
                                || docAssemblyPlugin.getPluginConfigurations(
                                        DocumentAssemblerProperties.DA_RULE_MP_LP) == null) {
                            respStr = "Incomplete properties of the Document assembler plugin for the specified batch class id :"
                                    + batchClassId;
                            LOGGER.error("Error response at server:" + respStr);
                        } else if (searchClassPlugin
                                .getPluginConfigurations(LuceneProperties.LUCENE_VALID_EXTNS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_INDEX_FIELDS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_STOP_WORDS) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_MIN_TERM_FREQ) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_MIN_DOC_FREQ) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MIN_WORD_LENGTH) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MAX_QUERY_TERMS) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_TOP_LEVEL_FIELD) == null
                                || searchClassPlugin
                                        .getPluginConfigurations(LuceneProperties.LUCENE_NO_OF_PAGES) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MAX_RESULT_COUNT) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE) == null
                                || searchClassPlugin.getPluginConfigurations(
                                        LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE) == null) {
                            respStr = "Incomplete properties of the Search Classification plugin for the specified batch class id :"
                                    + batchClassId;
                            LOGGER.error("Error response at server:" + respStr);
                        }
                    }
                }
            }
            if (respStr.isEmpty()) {
                batchClassConfigMap.put(LuceneProperties.LUCENE_VALID_EXTNS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_VALID_EXTNS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_INDEX_FIELDS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_INDEX_FIELDS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_STOP_WORDS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_STOP_WORDS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_TERM_FREQ,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_TERM_FREQ));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_DOC_FREQ,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_DOC_FREQ));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIN_WORD_LENGTH,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIN_WORD_LENGTH));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MAX_QUERY_TERMS,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MAX_QUERY_TERMS));
                batchClassConfigMap.put(LuceneProperties.LUCENE_TOP_LEVEL_FIELD,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_TOP_LEVEL_FIELD));
                batchClassConfigMap.put(LuceneProperties.LUCENE_NO_OF_PAGES,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_NO_OF_PAGES));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MAX_RESULT_COUNT,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MAX_RESULT_COUNT));
                batchClassConfigMap.put(LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_FIRST_PAGE_CONF_WEIGHTAGE));
                batchClassConfigMap.put(LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_MIDDLE_PAGE_CONF_WEIGHTAGE));
                batchClassConfigMap.put(LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE,
                        batchClassPPService.getPropertyValue(batchClassId,
                                ICommonConstants.SEARCH_CLASSIFICATION_PLUGIN,
                                LuceneProperties.LUCENE_LAST_PAGE_CONF_WEIGHTAGE));

                final MultiValueMap<String, MultipartFile> fileMap = multipartReq.getMultiFileMap();

                if (fileMap.size() == 1) {
                    String path = "";
                    for (final String fileName : fileMap.keySet()) {
                        // only single zip file is expected as input containing multiple HTML files.
                        try {
                            boolean isZipContent = multipartReq.getFile(fileName).getContentType().toLowerCase()
                                    .contains(APPLICATION_ZIP);
                            if (fileName.toLowerCase()
                                    .indexOf(FileType.ZIP.getExtension()) > -WebserviceConstants.ONE
                                    || isZipContent) {
                                // only HTML file is expected
                                final MultipartFile f = multipartReq.getFile(fileName);
                                instream = f.getInputStream();
                                path = workingDir + File.separator + fileName;
                                if (isZipContent
                                        && !fileName.toLowerCase().endsWith(FileType.ZIP.getExtension())) {
                                    path = workingDir + File.separator + fileName
                                            + FileType.ZIP.getExtensionWithDot();
                                }
                                final File file = new File(path);
                                outStream = new FileOutputStream(file);
                                final byte buf[] = new byte[WebServiceUtil.bufferSize];
                                int len;
                                while ((len = instream.read(buf)) > WebserviceConstants.ZERO) {
                                    outStream.write(buf, 0, len);
                                }
                                break;
                            } else {
                                respStr = "Improper input to server. Expected only one zip file. Returning without processing the results.";
                                LOGGER.error("Error response at server:" + respStr);
                            }
                        } finally {
                            IOUtils.closeQuietly(instream);
                            IOUtils.closeQuietly(outStream);
                        }
                    }
                    if (respStr.isEmpty()) {
                        zipService.unzipFiles(new File(path), workingDir);
                        CustomFileFilter filter = new CustomFileFilter(false, FileType.HTML.getExtension());
                        String htmlFileList[] = new File(workingDir).list(filter);
                        if (htmlFileList != null && htmlFileList.length > WebserviceConstants.ZERO) {
                            ObjectFactory objectFactory = new ObjectFactory();
                            List<Document> xmlDocuments = new ArrayList<Document>();
                            HocrPages hocrPages = new HocrPages();
                            Pages pages = new Pages();
                            List<Page> listOfPages = pages.getPage();
                            Document doc = objectFactory.createDocument();
                            xmlDocuments.add(doc);
                            doc.setPages(pages);

                            for (int index = 0; index < htmlFileList.length; index++) {
                                // generate hocr file from html file.
                                String htmlFile = htmlFileList[index];
                                String htmlFilePath = workingDir + File.separator + htmlFile;
                                HocrPage hocrPage = new HocrPage();
                                List<HocrPage> hocrPageList = hocrPages.getHocrPage();
                                String pageID = PG_IDENTIFIER + index;
                                hocrPage.setPageID(pageID);
                                hocrPageList.add(hocrPage);
                                bsService.hocrGenerationAPI(workingDir, pageID, htmlFilePath, hocrPage);

                                Page pageType = objectFactory.createPage();
                                pageType.setIdentifier(EphesoftProperty.PAGE.getProperty() + index);
                                pageType.setHocrFileName(htmlFile);
                                listOfPages.add(pageType);
                            }

                            scService.generateConfidenceScoreAPI(xmlDocuments, hocrPages, workingDir,
                                    batchClassConfigMap, batchClassId);

                            try {
                                // invoke the document assembler plugin
                                xmlDocuments = docAssembler.createDocumentAPI(
                                        DocumentClassificationFactory.SEARCHCLASSIFICATION, batchClassId,
                                        listOfPages);
                                Documents docs = new Documents();
                                docs.getDocument().addAll(xmlDocuments);
                                StreamResult result;
                                try {
                                    result = new StreamResult(resp.getOutputStream());
                                    resp.setStatus(HttpServletResponse.SC_OK);
                                    batchSchemaDao.getJAXB2Template().getJaxb2Marshaller().marshal(docs,
                                            result);
                                } catch (final IOException e) {
                                    respStr = INTERNAL_SERVER_ERROR + e;
                                    LOGGER.error("Error response at server:" + respStr);
                                }
                            } catch (final DCMAApplicationException e) {
                                respStr = "Error while executing plugin. Detailed exception is " + e;
                                LOGGER.error("Error response at server:" + respStr);
                            }
                        } else {
                            respStr = "Improper input to server. Expected HTML file inside zip file.";
                            LOGGER.error("Error response at server:" + respStr);
                        }
                    }
                } else {
                    respStr = "Improper input to server. Expected only one zip file. Returning without processing the results.";
                    LOGGER.error("Error response at server:" + respStr);
                }
            }
        } catch (final XmlMappingException xmle) {
            respStr = "Error in mapping input XML in the desired format. Please send it in the specified format. Detailed exception is "
                    + xmle;
            LOGGER.error("Error response at server:" + respStr);
        } catch (final DCMAException dcmae) {
            respStr = "Error in processing request. Detailed exception is " + dcmae;
            LOGGER.error("Error response at server:" + respStr);
        } catch (final Exception e) {
            respStr = INTERNAL_SERVER_ERROR + e;
            LOGGER.error("Error response at server:" + respStr);
            if (!workingDir.isEmpty()) {
                FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
            }
        }
    } else {
        respStr = "Improper input to server. Expected multipart request. Returing without processing the results.";
        LOGGER.error("Error response at server:" + respStr);
    }

    if (!workingDir.isEmpty()) {
        FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir).getParentFile());
    }
    if (!respStr.isEmpty()) {
        try {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, respStr);
            LOGGER.error("Error response at server:" + respStr);
        } catch (final IOException ioe) {
            LOGGER.info(
                    "Exception in sending the error code to client. Logged the exception for debugging:" + ioe,
                    ioe);
        }
    }
}

From source file:com.ephesoft.dcma.webservice.util.WebServiceHelper.java

public void processCreateHOCRXML(final HttpServletRequest req, final HttpServletResponse resp)
        throws InternalServerException, ValidationException {
    LOGGER.info("Start processing web service for create HOCR-XML for Batch Class");
    String respStr = WebServiceUtil.EMPTY_STRING;
    String workingDir = WebServiceUtil.EMPTY_STRING;
    File zipInFolder = null;//  ww  w  . j a  va2s.  c  o  m
    File zipOutFolder = null;
    int responseCode = 0;
    WebServiceParams webServiceParams = null;
    if (req instanceof DefaultMultipartHttpServletRequest) {
        try {
            final String webServiceFolderPath = batchSchemaService.getWebServicesFolderPath();
            workingDir = WebServiceUtil.createWebServiceWorkingDir(webServiceFolderPath);
            final String outputDir = WebServiceUtil.createWebServiceOutputDir(workingDir);
            final DefaultMultipartHttpServletRequest multiPartRequest = (DefaultMultipartHttpServletRequest) req;
            final MultiValueMap<String, MultipartFile> fileMap = multiPartRequest.getMultiFileMap();
            if (fileMap.size() != 2) {
                LOGGER.error("Invalid Number of files sent to the server");
                respStr = WebServiceConstants.INVALID_ARGUMENTS_FOR_CREATE_HOCR;
                responseCode = WebServiceConstants.INVALID_PARAMETERS_CODE;
            } else {
                String xmlFileName = WebServiceUtil.EMPTY_STRING;
                String zipOutputLocation = WebServiceUtil.EMPTY_STRING;
                String zipFileNameWithOutExt = WebServiceUtil.EMPTY_STRING;
                for (final String fileName : fileMap.keySet()) {
                    InputStream instream = null;
                    OutputStream outStream = null;
                    ZipInputStream zipstream = null;
                    try {

                        if (!(fileName.endsWith(FileType.ZIP.getExtensionWithDot())
                                || fileName.endsWith(FileType.XML.getExtensionWithDot())
                                || fileName.endsWith(FileType.TIF.getExtensionWithDot())
                                || fileName.endsWith(FileType.TIFF.getExtensionWithDot()))) {
                            respStr = WebServiceConstants.INVALID_ARGUMENTS_FOR_CREATE_OCR_BATCH_CLASS;
                            responseCode = WebServiceConstants.INVALID_PARAMETERS_CODE;
                        }
                        final MultipartFile multiPartFile = multiPartRequest.getFile(fileName);
                        instream = multiPartFile.getInputStream();

                        if (fileName.endsWith(FileType.XML.getExtensionWithDot())) {
                            xmlFileName = fileName;
                            final File file = new File(workingDir + File.separator + fileName);
                            outStream = new FileOutputStream(file);
                            final byte[] buf = new byte[WebServiceUtil.bufferSize];
                            int len;
                            while ((len = instream.read(buf)) > 0) {
                                outStream.write(buf, 0, len);
                            }
                        }
                        if (fileName.endsWith(FileType.ZIP.getExtensionWithDot())) {
                            zipFileNameWithOutExt = FilenameUtils.removeExtension(fileName);
                            zipInFolder = new File(workingDir + File.separator + zipFileNameWithOutExt);
                            if (zipInFolder != null) {
                                zipInFolder.mkdirs();
                            }
                            zipstream = new ZipInputStream(instream);
                            ZipEntry ze = zipstream.getNextEntry();
                            if (ze == null) {
                                respStr = WebServiceConstants.NO_FILES_IN_ZIP_DIR;
                                responseCode = WebServiceConstants.NO_FILES_IN_ZIP_DIR_CODE;
                                LOGGER.error(respStr + " No files in the zip directory ");
                            }
                            while (ze != null) {
                                String upzipFileName = ze.getName();
                                LOGGER.info("Unzipping " + upzipFileName);

                                if (!(upzipFileName.endsWith(FileType.TIF.getExtensionWithDot())
                                        || upzipFileName.endsWith(FileType.TIFF.getExtensionWithDot())
                                        || upzipFileName.endsWith(FileType.PDF.getExtensionWithDot()))) {
                                    respStr = WebServiceConstants.UNSUPPORTED_FILE_TYPE_EXCEPTION_MESSAGE;
                                    responseCode = WebServiceConstants.UNSUPPORTED_FILE_TYPE_EXCEPTION_CODE;
                                    LOGGER.error("File name should be a valid tif, tiff or pdf file name only");
                                }
                                final File filePath = new File(zipInFolder + File.separator + upzipFileName);
                                outStream = new FileOutputStream(filePath);
                                final byte[] buf = new byte[WebServiceUtil.bufferSize];
                                int len;
                                while ((len = zipstream.read(buf)) > 0) {
                                    outStream.write(buf, 0, len);
                                }
                                final int pageCount = TIFFUtil
                                        .getTIFFPageCount(zipInFolder + File.separator + upzipFileName);
                                if (pageCount > 1
                                        || upzipFileName.endsWith(FileType.PDF.getExtensionWithDot())) {
                                    final BatchInstanceThread threadList = new BatchInstanceThread(
                                            new File(zipInFolder.toString()).getName() + Math.random());
                                    LOGGER.info(
                                            "Start spliting multipage tiff/pdf file into tiffs using image magick");
                                    imService.convertPdfOrMultiPageTiffToTiffUsingIM("", filePath, "",
                                            new File(EphesoftStringUtil.concatenate(zipInFolder.toString(),
                                                    File.separator, upzipFileName)),
                                            threadList);
                                    threadList.execute();
                                }
                                ze = zipstream.getNextEntry();
                            }
                        }
                        if (fileName.endsWith(FileType.TIFF.getExtensionWithDot())
                                || fileName.endsWith(FileType.TIF.getExtensionWithDot())) {
                            zipFileNameWithOutExt = WebServiceUtil.EMPTY_STRING;
                            final File file = new File(workingDir + File.separator + fileName);
                            zipInFolder = new File(workingDir);
                            outStream = new FileOutputStream(file);
                            final byte[] buf = new byte[WebServiceUtil.bufferSize];
                            int len;
                            while ((len = instream.read(buf)) > 0) {
                                outStream.write(buf, 0, len);
                            }
                            final int pageCount = TIFFUtil
                                    .getTIFFPageCount(workingDir + File.separator + fileName);
                            if (pageCount > 1) {
                                final BatchInstanceThread threadList = new BatchInstanceThread(
                                        zipInFolder.getName() + Math.random());
                                LOGGER.info(
                                        "Start spliting multipage tiff/pdf file into tiffs using image magick");
                                imService.convertPdfOrMultiPageTiffToTiffUsingIM(WebServiceUtil.EMPTY_STRING,
                                        file, WebServiceUtil.EMPTY_STRING, new File(EphesoftStringUtil
                                                .concatenate(workingDir.toString(), File.separator, fileName)),
                                        threadList);
                                threadList.execute();
                            }
                        }
                    } finally {
                        IOUtils.closeQuietly(instream);
                        IOUtils.closeQuietly(outStream);
                        IOUtils.closeQuietly(zipstream);
                    }
                }
                final File xmlFile = new File(workingDir + File.separator + xmlFileName);
                if (StringUtils.isNotEmpty(xmlFileName) && xmlFile.exists()) {
                    final FileInputStream inputStream = new FileInputStream(xmlFile);
                    final Source source = XMLUtil.createSourceFromStream(inputStream);
                    final Object unmarshelledObject = batchSchemaDao.getJAXB2Template().getJaxb2Marshaller()
                            .unmarshal(source);
                    if (!(unmarshelledObject instanceof WebServiceParams)) {
                        respStr = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_MESSAGE;
                        responseCode = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_CODE;
                    } else {
                        webServiceParams = (WebServiceParams) unmarshelledObject;
                        if (null != webServiceParams.getParams()) {
                            final List<Param> paramList = webServiceParams.getParams().getParam();
                            if (paramList == null || paramList.isEmpty()) {
                                final HttpStatus status = HttpStatus.INTERNAL_SERVER_ERROR;
                                respStr = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_MESSAGE;
                                responseCode = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_CODE;
                                LOGGER.error(respStr + "\n No Parameters in the request" + status);
                            } else {
                                String batchClassId = WebServiceUtil.EMPTY_STRING;
                                for (final Param param : paramList) {
                                    if (WebServiceConstants.BATCH_CLASS_IDENTIFIER
                                            .equalsIgnoreCase(param.getName())) {
                                        batchClassId = param.getValue();
                                        continue;
                                    }
                                    if (WebServiceUtil.ZIP_OUTPUT_LOCATION.equalsIgnoreCase(param.getName())) {
                                        zipOutputLocation = param.getValue();
                                        if (StringUtils.isBlank(zipOutputLocation)
                                                || !(new File(zipOutputLocation).isDirectory())) {
                                            respStr = WebServiceConstants.ZIP_OUTPUT_LOCATION_INVALID_MESSAGE;
                                            responseCode = WebServiceConstants.ZIP_OUTPUT_LOCATION_INVALID_CODE;
                                            LOGGER.error(
                                                    "Zip output location is blank or invalid in xml input file");
                                        }
                                        continue;
                                    }
                                    if (WebServiceUtil.ZIP_NAME.equalsIgnoreCase(param.getName())) {
                                        if (!((zipFileNameWithOutExt + FileType.ZIP.getExtensionWithDot())
                                                .equals(param.getValue()))) {
                                            respStr = WebServiceConstants.INPUT_ZIP_NOT_FOUND_MESSAGE;
                                            responseCode = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_CODE;
                                            LOGGER.error(
                                                    "Zip file name doesn't match zip file name in xml input file");
                                        } else
                                            continue;
                                    }
                                }
                                if (respStr == null || respStr.isEmpty()) {
                                    if (batchClassId != null && !batchClassId.isEmpty()) {
                                        final BatchClass batchClass = batchClassService
                                                .getBatchClassByIdentifier(batchClassId);
                                        if (batchClass != null) {

                                            final String ocrEngine = getDefaultHOCRPlugin(batchClassId);
                                            String colorSwitch = WebServiceUtil.EMPTY_STRING;
                                            String cmdLanguage = WebServiceUtil.EMPTY_STRING;
                                            LOGGER.info(EphesoftStringUtil.concatenate("Ocr engine used is : ",
                                                    ocrEngine));

                                            if (WebServiceConstants.TESSERACT_HOCR_PLUGIN
                                                    .equalsIgnoreCase(ocrEngine)) {
                                                final File dir = new File(zipInFolder + "");
                                                File[] directoryListing = dir.listFiles();
                                                if (directoryListing != null) {
                                                    zipOutFolder = new File(
                                                            outputDir + File.separator + zipFileNameWithOutExt);
                                                    if (zipOutFolder != null) {
                                                        zipOutFolder.mkdirs();
                                                    }
                                                    for (File inputFile : directoryListing) {
                                                        String inputFileName = inputFile.getName();
                                                        if (inputFileName != null && !inputFileName.isEmpty()) {
                                                            if (inputFileName.endsWith(
                                                                    FileType.TIFF.getExtensionWithDot())
                                                                    || inputFileName.endsWith(FileType.TIF
                                                                            .getExtensionWithDot())) {
                                                                final int pageCountTiff = TIFFUtil
                                                                        .getTIFFPageCount(inputFile.toString());
                                                                if (pageCountTiff > 1) {
                                                                    continue;
                                                                }

                                                                if (WebServiceConstants.TESSERACT_HOCR_PLUGIN
                                                                        .equalsIgnoreCase(ocrEngine)) {
                                                                    final BatchPlugin pluginProperties = classPluginPropertiesService
                                                                            .getPluginProperties(batchClassId,
                                                                                    WebServiceConstants.TESSERACT_HOCR_PLUGIN);
                                                                    if (pluginProperties != null) {
                                                                        if (pluginProperties
                                                                                .getPluginConfigurations(
                                                                                        TesseractProperties.TESSERACT_COLOR_SWITCH) != null) {
                                                                            colorSwitch = classPluginPropertiesService
                                                                                    .getPropertyValue(
                                                                                            batchClassId,
                                                                                            WebServiceConstants.TESSERACT_HOCR_PLUGIN,
                                                                                            TesseractProperties.TESSERACT_COLOR_SWITCH);
                                                                            if (pluginProperties
                                                                                    .getPluginConfigurations(
                                                                                            TesseractProperties.TESSERACT_LANGUAGE) != null) {
                                                                                cmdLanguage = classPluginPropertiesService
                                                                                        .getPropertyValue(
                                                                                                batchClassId,
                                                                                                WebServiceConstants.TESSERACT_HOCR_PLUGIN,
                                                                                                TesseractProperties.TESSERACT_LANGUAGE);
                                                                                tesseractService.createOCR(
                                                                                        zipInFolder.toString(),
                                                                                        colorSwitch,
                                                                                        inputFileName,
                                                                                        zipOutFolder.toString(),
                                                                                        cmdLanguage,
                                                                                        WebServiceConstants.TESSERACT_CURRENT_VERSION);
                                                                            } else {
                                                                                respStr = WebServiceConstants.NO_TESSERACT_LANGUAGE_SUPPORT;
                                                                                responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                                                LOGGER.error(
                                                                                        "No Language Support");
                                                                            }

                                                                        } else {
                                                                            respStr = WebServiceConstants.NO_TESSERACT_COLOR_SWITCH;
                                                                            responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                                            LOGGER.error(
                                                                                    "Colour Switch Not Found");
                                                                        }
                                                                    } else {
                                                                        respStr = WebServiceConstants.NO_PROPERTY_FOR_TESSERACT_HOCR;
                                                                        responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                                    }
                                                                }

                                                            }
                                                        } else {
                                                            respStr = WebServiceConstants.INVALID_FILE_NAME;
                                                            responseCode = WebServiceConstants.INVALID_PARAMETERS_CODE;
                                                            LOGGER.error(
                                                                    "File Name should not be NULL or empty ");
                                                        }
                                                    } // End of for loop

                                                }

                                                else {
                                                    respStr = WebServiceConstants.NO_FILES_IN_ZIP_DIR;
                                                    responseCode = WebServiceConstants.NO_FILES_IN_ZIP_DIR_CODE;
                                                    LOGGER.error(respStr + " No files in the zip directory ");
                                                }

                                            }
                                            if (respStr.isEmpty()) {
                                                ServletOutputStream out = null;
                                                ZipOutputStream zout = null;
                                                final String zipFileName = WebServiceUtil.serverOutputFolderName;
                                                resp.setContentType(WebServiceUtil.APPLICATION_X_ZIP);
                                                resp.setHeader(WebServiceUtil.CONTENT_DISPOSITION,
                                                        WebServiceUtil.ATTACHMENT_FILENAME + zipFileName
                                                                + FileType.ZIP.getExtensionWithDot()
                                                                + "\"\r\n");
                                                resp.setStatus(HttpServletResponse.SC_OK);
                                                try {
                                                    out = resp.getOutputStream();
                                                    zout = new ZipOutputStream(out);
                                                    FileUtils.zipDirectory(zipOutFolder.toString(), zout,
                                                            zipFileName);
                                                } catch (final FileNotFoundException fileNotFoundException) {
                                                    String messageString = fileNotFoundException.getMessage();
                                                    messageString = messageString.substring(
                                                            messageString.lastIndexOf(File.separator));
                                                    respStr = WebServiceConstants.FILE_NOT_FOUND
                                                            + messageString;
                                                    responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                    LOGGER.error("Could Not Copy the File "
                                                            + fileNotFoundException.getMessage());
                                                } catch (final IOException ioExcpetion) {
                                                    respStr = WebServiceConstants.ERROR_WHILE_CREATING_ZIPPED_FILE
                                                            + ioExcpetion;
                                                    responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                    LOGGER.error(respStr);
                                                } finally {
                                                    IOUtils.closeQuietly(zout);
                                                    IOUtils.closeQuietly(out);
                                                }
                                            }
                                            if (respStr.isEmpty()) {
                                                FileOutputStream fos = null;
                                                ZipOutputStream zos = null;
                                                final File out = new File(zipOutputLocation + File.separator
                                                        + zipFileNameWithOutExt
                                                        + FileType.ZIP.getExtensionWithDot());
                                                try {
                                                    fos = new FileOutputStream(out);
                                                    zos = new ZipOutputStream(fos);
                                                    FileUtils.zipDirectory(zipOutFolder.toString(), zos,
                                                            zipFileNameWithOutExt);

                                                } catch (final FileNotFoundException fileNotFoundException) {
                                                    String messageString = fileNotFoundException.getMessage();
                                                    messageString = messageString.substring(
                                                            messageString.lastIndexOf(File.separator));
                                                    respStr = WebServiceConstants.FILE_NOT_FOUND
                                                            + messageString;
                                                    responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                    LOGGER.error("Could Not Copy the File "
                                                            + fileNotFoundException.getMessage());
                                                } catch (final IOException ioExcpetion) {
                                                    respStr = WebServiceConstants.ERROR_WHILE_CREATING_ZIPPED_FILE
                                                            + ioExcpetion;
                                                    responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
                                                    LOGGER.error(respStr);
                                                } finally {
                                                    IOUtils.closeQuietly(zos);
                                                    IOUtils.closeQuietly(fos);
                                                }
                                            }

                                        } else {
                                            respStr = WebServiceConstants.INVALID_BATCH_CLASS_ID_MESSAGE;
                                            responseCode = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_CODE;
                                            LOGGER.error(respStr + " Batch Class ID doesnot exist ");
                                        }
                                    } else {
                                        respStr = WebServiceConstants.INVALID_BATCH_CLASS_ID_MESSAGE;
                                        responseCode = WebServiceConstants.INVALID_ARGUMENTS_IN_XML_INPUT_CODE;
                                        LOGGER.error(respStr + " No input of Batch Class ID ");
                                    }
                                }
                            }
                        }
                    }
                } else {
                    respStr = WebServiceConstants.INPUT_FILES_NOT_FOUND_MESSAGE;
                    responseCode = WebServiceConstants.INVALID_PARAMETERS_CODE;
                }
            }
        } catch (final FileNotFoundException fileNotFoundException) {
            String message = fileNotFoundException.getMessage();
            message = message.substring(message.lastIndexOf(File.separator));
            respStr = WebServiceConstants.FILE_NOT_FOUND + message;
        } catch (final ValidationException validationException) {
            throw validationException;
        } catch (final InternalServerException internalServerError) {
            throw internalServerError;
        } catch (final Exception exception) {
            respStr = WebServiceConstants.INTERNAL_SERVER_ERROR_MESSAGE + exception;
            responseCode = WebServiceConstants.INTERNAL_SERVER_ERROR_CODE;
            exception.printStackTrace();
        } finally {
            FileUtils.deleteDirectoryAndContentsRecursive(new File(workingDir));
        }
    } else {
        respStr = WebServiceConstants.INVALID_MULTIPART_REQUEST;
        responseCode = WebServiceConstants.INVALID_PARAMETERS_CODE;
    }
    validateResponse(responseCode, respStr);
}