Example usage for org.apache.commons.fileupload FileItemStream openStream

List of usage examples for org.apache.commons.fileupload FileItemStream openStream

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Introduction

In this page you can find the example usage for org.apache.commons.fileupload FileItemStream openStream.

Prototype

InputStream openStream() throws IOException;

Source Link

Document

Creates an InputStream , which allows to read the items contents.

Usage

From source file:org.locationtech.geogig.rest.repository.UploadCommandResource.java

/**
 * Consumes the data sent from the client and stores it into a temporary file to be processed.
 * This method is just looking through the request entity for form data named
 * {@value #UPLOAD_FILE_KEY}. If present, we will consume the data stream from the request and
 * store it in a temporary file./*  ww  w.  ja  v a2  s  . c om*/
 *
 * @param entity POSTed entity containing binary data to be processed.
 *
 * @return local File representation of the data streamed form the client.
 */
private File consumeFileUpload(Representation entity) {
    File uploadedFile = null;
    // get a File item factory
    final DiskFileItemFactory factory = new DiskFileItemFactory();
    // set the threshold
    factory.setSizeThreshold(UPLOAD_THRESHOLD);
    // build a Restlet file upload with the factory
    final RestletFileUpload fileUploadUtil = new RestletFileUpload(factory);
    // try to extract the uploaded file entity
    try {
        // build a RepresentaionContext of the request entity
        final RepresentationContext context = new RepresentationContext(entity);
        // get an iterator to loop through the entity for the upload data
        final FileItemIterator iterator = fileUploadUtil.getItemIterator(context);
        // look for the the "fileUpload" form data
        while (iterator.hasNext()) {
            final FileItemStream fis = iterator.next();
            // see if this is the data we are looking for
            if (UPLOAD_FILE_KEY.equals(fis.getFieldName())) {
                // if we've already ingested a fileUpload, then the request had more than one.
                Preconditions.checkState(uploadedFile == null, FILE_UPLOAD_ERROR_TMPL, UPLOAD_FILE_KEY);
                // found it, create a temp file
                uploadedFile = File.createTempFile("geogig-" + UPLOAD_FILE_KEY + "-", ".tmp");
                uploadedFile.deleteOnExit();
                // consume the streamed contetn into the temp file
                try (FileOutputStream fos = new FileOutputStream(uploadedFile)) {
                    ByteUtils.write(fis.openStream(), fos);
                    // flush the output stream
                    fos.flush();
                }
            }
        }
        // if we don't have an uploaded file, we can't continue
        Preconditions.checkNotNull(uploadedFile, FILE_UPLOAD_ERROR_TMPL, UPLOAD_FILE_KEY);
    } catch (Exception ex) {
        // delete the temp file if it exists
        if (uploadedFile != null) {
            uploadedFile.delete();
        }
        // null out the file
        uploadedFile = null;
    }
    // return the uploaded entity data as a file
    return uploadedFile;
}

From source file:org.metaeffekt.dcc.agent.AgentRouteBuilder.java

private Map<String, File> dropOffProperties(Exchange exchange) throws IOException {
    final Map<String, File> properties = new HashMap<String, File>();

    Request request = (Request) exchange.getIn().getBody();
    Representation entity;// ww w .  ja  v a2s .c  o  m

    String command = notNull((String) exchange.getIn().getHeader("command"), "command");

    if (request == null || (entity = request.getEntity()) == null) {
        throw new IllegalArgumentException(
                String.format("%s request received without execution properties", command));
    }

    File solutionTmpDir = remoteScriptExecutor.getTmpDir(extractDeploymentId(exchange));

    final Id<UnitId> unitId = extractUnitId(exchange);

    if (MediaType.MULTIPART_FORM_DATA.equals(entity.getMediaType(), true)) {

        try {
            for (FileItemIterator iterator = restletFileUpload.getItemIterator(entity); iterator.hasNext();) {
                final FileItemStream next = iterator.next();
                String propertyName = null;
                final String fieldName = next.getFieldName();
                if (DccConstants.COMMAND_PROPERTIES.equals(fieldName)) {
                    propertyName = DccUtils.propertyFileName(command);
                } else if (DccConstants.PREREQUISITES_PROPERTIES.equals(fieldName)) {
                    propertyName = DccConstants.PREREQUISITES_PROPERTIES_FILE_NAME;
                } else {
                    propertyName = DccUtils.propertyFileName(fieldName);
                }
                try (InputStream in = next.openStream()) {
                    final File propertiesFile = DccUtils.propertyFile(solutionTmpDir, unitId, propertyName);
                    properties.put(fieldName, storeInFile(propertiesFile, in));
                }
            }
        } catch (FileUploadException e) {
            // ignore
        } finally {
            IOUtils.closeQuietly(entity.getStream());
        }
    } else {
        try (InputStream in = entity.getStream()) {
            final File propertiesFile = DccUtils.propertyFile(solutionTmpDir, unitId,
                    DccUtils.propertyFileName(command));
            properties.put(DccConstants.COMMAND_PROPERTIES, storeInFile(propertiesFile, in));
        }
    }

    return properties;
}

From source file:org.myjerry.web.multipart.StreamingMultipartResolver.java

public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {

    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload();
    upload.setFileSizeMax(maxUploadSize);

    String encoding = determineEncoding(request);

    Map<String, MultipartFile> multipartFiles = new HashMap<String, MultipartFile>();
    Map<String, String[]> multipartParameters = new HashMap<String, String[]>();

    // MultiValueMap multipartFiles = new MultiValueMap();

    // Parse the request
    try {//from  w ww  .  ja  v a 2 s  .c  o  m
        FileItemIterator iter = upload.getItemIterator(request);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();

            String name = item.getFieldName();
            InputStream stream = item.openStream();
            if (item.isFormField()) {

                String value = Streams.asString(stream, encoding);

                String[] curParam = (String[]) multipartParameters.get(name);
                if (curParam == null) {
                    // simple form field
                    multipartParameters.put(name, new String[] { value });
                } else {
                    // array of simple form fields
                    String[] newParam = StringUtils.addStringToArray(curParam, value);
                    multipartParameters.put(name, newParam);
                }

            } else {

                // Process the input stream
                MultipartFile file = new StreamingMultipartFile(item);
                multipartFiles.put(name, file);
            }
        }
    } catch (IOException e) {
        throw new MultipartException("something went wrong here", e);
    } catch (FileUploadException e) {
        throw new MultipartException("something went wrong here", e);
    }

    return new DefaultMultipartHttpServletRequest(request, multipartFiles, multipartParameters);
}

From source file:org.nema.medical.mint.server.controller.JobsController.java

public void handleUpload(HttpServletRequest request, File jobFolder, List<File> files,
        Map<String, String> params) throws IOException, FileUploadException {

    byte buf[] = new byte[32 * 1024];

    int fileCount = 0;
    LOG.info("creating local files");

    // Parse the request
    ServletFileUpload upload = new ServletFileUpload();
    FileItemIterator iter;/*w  w  w  .  j a  v a2s.c o  m*/
    iter = upload.getItemIterator(request);
    while (iter.hasNext()) {
        FileItemStream item = iter.next();
        String name = item.getFieldName();
        InputStream in = item.openStream();

        if (item.isFormField()) {
            String value = Streams.asString(in);
            LOG.debug("found form field " + name + " = " + value);
            params.put(name, value);
        } else {
            File file;

            // special handling for first file - must be metadata!
            if (files.isEmpty()) {
                String filename = item.getName();

                LOG.info("loading metadata from " + filename);
                outer: {
                    for (String extension : supportedMetadataExtensions) {
                        if (filename.endsWith(extension)) {
                            filename = "metadata" + extension;
                            break outer;
                        }
                    }

                    //At this point, no proper filename has been established. Last resort, use content type!
                    String contentType = item.getContentType();
                    if ("text/xml".equals(contentType)) {
                        filename = "metadata.xml";
                    } else if ("application/octet-stream".equals(contentType)) {
                        filename = "metadata.gpb";
                    } else {
                        // dump out and write the content... will fail later
                        LOG.error("unable to determine metadata type for " + item.getName());
                        filename = "metadata.dat";
                    }
                }

                file = new File(jobFolder, filename);
            } else {
                final String msgPartName = item.getFieldName();
                try {
                    if (!msgPartName.startsWith("binary")) {
                        throw new Exception();
                    }
                    final String itemIdStr = msgPartName.substring("binary".length());
                    final int itemId = Integer.parseInt(itemIdStr);
                    file = new File(jobFolder, String.format("%d.dat", itemId));
                } catch (final Exception e) {
                    throw new IOException("Invalid message part name for binary data: '" + msgPartName
                            + "'; must start with 'binary', followed by a number");
                }
            }

            if (file.exists()) {
                throw new IOException("File for message part already exists: '" + file.getName() + "'");
            }
            FileOutputStream out = null;
            out = new FileOutputStream(file);
            try {
                while (true) {
                    int len = in.read(buf);
                    if (len < 0)
                        break;
                    out.write(buf, 0, len);
                }
            } finally {
                if (out != null) {
                    out.close();
                    files.add(file);
                    fileCount++;
                }
            }
        }
    }
    LOG.info("created " + fileCount + " files.");
}

From source file:org.odk.aggregate.parser.MultiPartFormData.java

/**
 * Construct a mult-part form data container by parsing
 * a multi part form request into a set of multipartformitems. The
 * information are stored in items and are indexed by either 
 * the field name or the file name (or both) provided in the http submission
 * /*from  w w w.j a v a  2s  .c om*/
 * @param req
 *     an HTTP request from a multipart form 
        
 * @throws FileUploadException
 * @throws IOException
 */
public MultiPartFormData(HttpServletRequest req) throws FileUploadException, IOException {

    fieldNameMap = new HashMap<String, MultiPartFormItem>();
    fileNameMap = new HashMap<String, MultiPartFormItem>();

    ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
    upload.setFileSizeMax(ParserConsts.FILE_SIZE_MAX);

    FileItemIterator items = upload.getItemIterator(req);
    while (items.hasNext()) {
        FileItemStream item = items.next();
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        BufferedInputStream formStream = new BufferedInputStream(item.openStream());

        // TODO: determine ways to possibly improve efficiency
        int nextByte = formStream.read();
        while (nextByte != -1) {
            byteStream.write(nextByte);
            nextByte = formStream.read();
        }

        MultiPartFormItem data = new MultiPartFormItem(item.getFieldName(), item.getName(),
                item.getContentType(), byteStream);

        String fieldName = item.getFieldName();
        if (fieldName != null) {
            fieldNameMap.put(fieldName, data);
        }

        String fileName = item.getName();
        if (fileName != null) {
            // TODO: possible bug in ODK collect is truncating file extension
            // may need to remove this code after ODK collect is fixed
            int indexOfExtension = fileName.lastIndexOf(".");
            if (indexOfExtension > 0) {
                fileNameMap.put(fileName.substring(0, indexOfExtension), data);
            }
            fileNameMap.put(fileName, data);
        }
        formStream.close();
    }
}

From source file:org.odk.voice.storage.MultiPartFormData.java

/**
 * Construct a mult-part form data container by parsing
 * a multi part form request into a set of multipartformitems. The
 * information are stored in items and are indexed by either 
 * the field name or the file name (or both) provided in the http submission
 * /*from w  w  w .  ja v a 2 s .  co  m*/
 * @param req
 *     an HTTP request from a multipart form 
        
 * @throws FileUploadException
 * @throws IOException
 */
public MultiPartFormData(HttpServletRequest req) throws FileUploadException, IOException {

    fieldNameMap = new HashMap<String, MultiPartFormItem>();
    fileNameMap = new HashMap<String, MultiPartFormItem>();

    ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
    upload.setFileSizeMax(FileConstants.MAX_FILE_SIZE);

    FileItemIterator items = upload.getItemIterator(req);
    while (items.hasNext()) {
        FileItemStream item = items.next();
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        BufferedInputStream formStream = new BufferedInputStream(item.openStream());

        // TODO: determine ways to possibly improve efficiency
        int nextByte = formStream.read();
        while (nextByte != -1) {
            byteStream.write(nextByte);
            nextByte = formStream.read();
        }

        MultiPartFormItem data = new MultiPartFormItem(item.getFieldName(), item.getName(),
                item.getContentType(), byteStream.toByteArray());

        String fieldName = item.getFieldName();
        if (fieldName != null) {
            fieldNameMap.put(fieldName, data);
        }

        String fileName = item.getName();
        if (fileName != null) {
            // TODO: possible bug in ODK collect is truncating file extension
            // may need to remove this code after ODK collect is fixed
            int indexOfExtension = fileName.lastIndexOf(".");
            if (indexOfExtension > 0) {
                fileNameMap.put(fileName.substring(0, indexOfExtension), data);
            }
            fileNameMap.put(fileName, data);
        }
    }
}

From source file:org.olat.core.gui.components.form.flexible.impl.Form.java

/**
 * Internal helper to initialize the request parameter map an to temporary store the uploaded files when a multipart request is used. The files are stored to a
 * temporary location and a filehandle is added to the requestMultipartFiles map for later retrieval by the responsible FormItem.
 * //from   ww  w . ja  va  2s  . co  m
 * @param ureq
 */
private void doInitRequestParameterAndMulipartData(UserRequest ureq) {
    // First fill parameter map either from multipart data or standard http request
    if (isMultipartEnabled() && ServletFileUpload.isMultipartContent(ureq.getHttpReq())) {
        long uploadSize = -1; // default unlimited
        // Limit size of complete upload form: upload size limit + 500k for
        // other input fields
        if (multipartUploadMaxSizeKB > -1) {
            uploadSize = (multipartUploadMaxSizeKB * 1024l * 1024l) + 512000l;
        }

        // Create a new file upload handler, use commons fileupload streaming
        // API to save files right to the tmp location
        ServletFileUpload uploadParser = new ServletFileUpload();
        uploadParser.setSizeMax(uploadSize);
        // Parse the request
        try {
            FileItemIterator iter = uploadParser.getItemIterator(ureq.getHttpReq());
            while (iter.hasNext()) {
                FileItemStream item = iter.next();
                String itemName = item.getFieldName();
                InputStream itemStream = item.openStream();
                if (item.isFormField()) {
                    // Normal form item
                    // analog to ureq.getParameter in non-multipart mode
                    String value = Streams.asString(itemStream, "UTF-8");
                    addRequestParameter(itemName, value);
                } else {
                    // File item, store it to temp location
                    String fileName = item.getName();
                    // Cleanup IE filenames that are absolute
                    int slashpos = fileName.lastIndexOf("/");
                    if (slashpos != -1)
                        fileName = fileName.substring(slashpos + 1);
                    slashpos = fileName.lastIndexOf("\\");
                    if (slashpos != -1)
                        fileName = fileName.substring(slashpos + 1);

                    File tmpFile = new File(System.getProperty("java.io.tmpdir") + File.separator + "upload-"
                            + CodeHelper.getGlobalForeverUniqueID());

                    try {
                        FileUtils.save(itemStream, tmpFile);
                        // Only save non-empty file transfers, ignore empty transfers
                        // (e.g. already submitted in a previous form submit, not an error!)

                        // Removing empty file check for now ... was introduced to cope with
                        // browser trouble which probably is not there any more ...
                        // so empty fileName means nothing selected in the file element

                        // if (tmpFile.length() > 0) {
                        if (fileName.length() > 0) {
                            // a file was selected
                            // Save file and also original file name
                            requestMultipartFiles.put(itemName, tmpFile);
                            requestMultipartFileNames.put(itemName, fileName);
                            requestMultipartFileMimeTypes.put(itemName, item.getContentType());
                        } else {
                            if (tmpFile.exists())
                                tmpFile.delete();
                        }
                    } catch (OLATRuntimeException e) {
                        // Could not save stream for whatever reason, cleanup temp file and delegate exception
                        if (tmpFile.exists())
                            tmpFile.delete();

                        if (e.getCause() instanceof MalformedStreamException) {
                            logWarn("Could not read uploaded file >" + fileName
                                    + "< from stream. Possibly an attempt to upload a directory instead of a file (happens on Mac)",
                                    e);
                            return;
                        }

                        throw new OLATRuntimeException("Could not save uploaded file", e);
                    }
                }
            }
        } catch (SizeLimitExceededException sizeLimitExceededException) {
            logError("Error while dispatching multipart form: file limit (" + uploadSize + ") exceeded",
                    sizeLimitExceededException);
            requestError = REQUEST_ERROR_UPLOAD_LIMIT_EXCEEDED;
        } catch (IOException e) {
            logWarn("Error while dispatching multipart form: ioexception", e);
            requestError = REQUEST_ERROR_GENERAL;
        } catch (Exception e) {
            logError("Error while dispatching multipart form: general exception", e);
            requestError = REQUEST_ERROR_GENERAL;
        }
    } else {
        // Get parameters the standard way
        logDebug("Dispatching non-multipart form", null);
        Set<String> keys = ureq.getParameterSet();
        for (String key : keys) {
            String[] values = ureq.getHttpReq().getParameterValues(key);
            if (values != null) {
                requestParams.put(key, values);
            } else {
                addRequestParameter(key, ureq.getParameter(key));
            }
        }
    }
}

From source file:org.olat.restapi.support.MultipartReader.java

private final void apache(HttpServletRequest request, long uploadLimit) {
    ServletFileUpload uploadParser = new ServletFileUpload();
    uploadParser.setSizeMax((uploadLimit * 1024l) + 512000l);
    // Parse the request
    try {//from   w ww  .  j  ava2  s  .  c  o  m
        FileItemIterator iter = uploadParser.getItemIterator(request);
        while (iter.hasNext()) {
            FileItemStream item = iter.next();
            String itemName = item.getFieldName();
            InputStream itemStream = item.openStream();
            if (item.isFormField()) {
                String value = Streams.asString(itemStream, "UTF-8");
                fields.put(itemName, value);
            } else {
                // File item, store it to temp location
                filename = item.getName();
                contentType = item.getContentType();

                if (filename != null) {
                    filename = UUID.randomUUID().toString().replace("-", "") + "_" + filename;
                } else {
                    filename = "upload-" + UUID.randomUUID().toString().replace("-", "");
                }
                file = new File(WebappHelper.getTmpDir(), filename);
                try {
                    save(itemStream, file);
                } catch (Exception e) {
                    log.error("", e);
                }
            }
        }
    } catch (Exception e) {
        log.error("", e);
    }
}

From source file:org.onecmdb.ui.gwt.desktop.server.command.ChangeUploadCommand.java

private void getFileItem(HttpServletRequest request) throws FileUploadException, IOException {
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    if (!isMultipart) {
        throw new IllegalArgumentException("Not multipart...");
    }// w w  w .j a v  a 2s.c  o  m

    ServletFileUpload upload = new ServletFileUpload();

    List<String> mdrEntries = new ArrayList<String>();

    // Parse the request
    FileItemIterator iter = upload.getItemIterator(request);
    while (iter.hasNext()) {
        FileItemStream item = iter.next();

        String name = item.getFieldName();
        InputStream stream = item.openStream();
        if (item.isFormField()) {
            System.out.println("Form field " + name + " with value " + Streams.asString(stream) + " detected.");
        } else {
            System.out.println("File field " + name + " with file name " + item.getName() + " detected.");
            // Process the input stream
        }
        String mdrEntry = handleInput(name, stream);
        mdrEntries.add(mdrEntry);
    }
    commitContent(mdrEntries);
}

From source file:org.onecmdb.ui.gwt.desktop.server.servlet.ContentServiceServlet.java

private void getFileItem(HttpServletRequest request, File root) throws FileUploadException, IOException {
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    if (!isMultipart) {
        throw new IllegalArgumentException("Not multipart...");
    }//from  w w w .  j a  v a 2 s .  c  o  m

    ServletFileUpload upload = new ServletFileUpload();

    // Parse the request
    FileItemIterator iter = upload.getItemIterator(request);

    String fileName = null;
    String path = null;
    while (iter.hasNext()) {
        FileItemStream item = iter.next();

        String name = item.getFieldName();
        InputStream stream = item.openStream();
        System.out.println("Name=" + item.getName());

        if (item.isFormField()) {
            String value = Streams.asString(stream);
            System.out.println("FormField " + name + "=" + value);
            if (name.equals("name")) {
                fileName = value;
            }
            if (name.equals("path")) {
                path = value;
            }

        } else {
            System.out.println("File field " + name + " with file name " + item.getName() + " detected.");

            File output = new File(root, path + "/" + fileName);
            System.out.println("Write upload to " + output.getPath());

            IOUtil.copyCompletely(stream, new FileOutputStream(output));
        }

    }
}