Example usage for org.apache.commons.fileupload FileItem getFieldName

List of usage examples for org.apache.commons.fileupload FileItem getFieldName

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Introduction

In this page you can find the example usage for org.apache.commons.fileupload FileItem getFieldName.

Prototype

String getFieldName();

Source Link

Document

Returns the name of the field in the multipart form corresponding to this file item.

Usage

From source file:com.news.util.UploadFileUtil.java

public static String upload(HttpServletRequest request, String paramName, String fileName) {
    String result = "";
    File file;//  w ww  .ja va 2  s .c  o m
    int maxFileSize = 5000 * 1024;
    int maxMemSize = 5000 * 1024;
    String filePath = "";
    ///opt/apache-tomcat-7.0.59/webapps/noithat
    //filePath = getServletContext().getRealPath("") + File.separator + "test-upload" + File.separator;
    filePath = File.separator + File.separator + "opt" + File.separator + File.separator;
    filePath += "apache-tomcat-7.0.59" + File.separator + File.separator + "webapps";
    filePath += File.separator + File.separator + "noithat";
    filePath += File.separator + File.separator + "upload" + File.separator + File.separator;
    filePath += "images" + File.separator;

    //filePath = "E:" + File.separator;

    // Verify the content type
    String contentType = request.getContentType();
    System.out.println("contentType=" + contentType);
    if (contentType != null && (contentType.indexOf("multipart/form-data") >= 0)) {

        DiskFileItemFactory factory = new DiskFileItemFactory();
        // maximum size that will be stored in memory
        factory.setSizeThreshold(maxMemSize);
        // Location to save data that is larger than maxMemSize.
        factory.setRepository(new File("c:\\temp"));

        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);
        // maximum file size to be uploaded.
        upload.setSizeMax(maxFileSize);
        try {
            // Parse the request to get file items.
            List fileItems = upload.parseRequest(request);
            System.out.println("fileItems.size()=" + fileItems.size());
            // Process the uploaded file items
            Iterator i = fileItems.iterator();

            while (i.hasNext()) {
                FileItem fi = (FileItem) i.next();
                if (!fi.isFormField() && fi.getFieldName().equals(paramName)) {
                    // Get the uploaded file parameters
                    String fieldName = fi.getFieldName();
                    int dotPos = fi.getName().lastIndexOf(".");
                    if (dotPos < 0) {
                        fileName += ".jpg";
                    } else {
                        fileName += fi.getName().substring(dotPos);
                    }
                    boolean isInMemory = fi.isInMemory();
                    long sizeInBytes = fi.getSize();
                    // Write the file
                    if (fileName.lastIndexOf("\\") >= 0) {
                        file = new File(filePath + fileName.substring(fileName.lastIndexOf("\\")));
                    } else {
                        file = new File(filePath + fileName.substring(fileName.lastIndexOf("\\") + 1));
                    }
                    fi.write(file);
                    System.out.println("Uploaded Filename: " + filePath + fileName + "<br>");
                    result = fileName;
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return result;
}

From source file:com.founder.fix.fixflow.explorer.util.FileHandle.java

public static void whenUploadFileBindParameter(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    try {/*  w w w  . java2s.  com*/
        fi.clear();
        fi.removeAll(fi);
        Iterator<FileItem> iterator = createFactory(request, response);
        while (iterator.hasNext()) {
            FileItem fileItem = (FileItem) iterator.next();
            if (fileItem.isFormField()) { // ??????
                String name = fileItem.getFieldName(); // inputname
                String value = fileItem.getString(); // input?value
                request.setAttribute(filterEncoding(name), filterEncoding(value));
            } else {
                fi.add(fileItem);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new Exception("??!");
    }
}

From source file:msec.org.FileUploadServlet.java

static protected String FileUpload(Map<String, String> fields, List<String> filesOnServer,
        HttpServletRequest request, HttpServletResponse response) {

    boolean isMultipart = ServletFileUpload.isMultipartContent(request);
    // Create a factory for disk-based file items
    DiskFileItemFactory factory = new DiskFileItemFactory();
    int MaxMemorySize = 10000000;
    int MaxRequestSize = MaxMemorySize;
    String tmpDir = System.getProperty("TMP", "/tmp");
    //System.out.printf("temporary directory:%s", tmpDir);

    // Set factory constraints
    factory.setSizeThreshold(MaxMemorySize);
    factory.setRepository(new File(tmpDir));

    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setHeaderEncoding("utf8");

    // Set overall request size constraint
    upload.setSizeMax(MaxRequestSize);/* w w  w .ja  v a2  s  .  c om*/

    // Parse the request
    try {
        @SuppressWarnings("unchecked")
        List<FileItem> items = upload.parseRequest(request);
        // Process the uploaded items
        Iterator<FileItem> iter = items.iterator();
        while (iter.hasNext()) {
            FileItem item = iter.next();
            if (item.isFormField()) {//k -v

                String name = item.getFieldName();
                String value = item.getString("utf-8");
                fields.put(name, value);
            } else {

                String fieldName = item.getFieldName();
                String fileName = item.getName();
                if (fileName == null || fileName.length() < 1) {
                    return "file name is empty.";
                }
                String localFileName = ServletConfig.fileServerRootDir + File.separator + "tmp" + File.separator
                        + fileName;
                //System.out.printf("upload file:%s", localFileName);
                String contentType = item.getContentType();
                boolean isInMemory = item.isInMemory();
                long sizeInBytes = item.getSize();
                File uploadedFile = new File(localFileName);
                item.write(uploadedFile);
                filesOnServer.add(localFileName);
            }

        }
        return "success";
    } catch (FileUploadException e) {
        e.printStackTrace();
        return e.toString();
    } catch (Exception e) {
        e.printStackTrace();
        return e.toString();
    }

}

From source file:com.gtwm.pb.servlets.ServletUtilMethods.java

/**
 * Replacement for and wrapper around//  www .ja  v  a 2  s.  co m
 * HttpServletRequest.getParameter(String) which works for multi-part form
 * data as well as normal requests
 */
public static String getParameter(HttpServletRequest request, String parameterName,
        List<FileItem> multipartItems) {
    if (FileUpload.isMultipartContent(new ServletRequestContext(request))) {
        for (FileItem item : multipartItems) {
            if (item.getFieldName().equals(parameterName)) {
                if (item.isFormField()) {
                    return item.getString();
                } else {
                    return item.getName();
                }
            }
        }
        return null;
    } else {
        return request.getParameter(parameterName);
    }
}

From source file:edu.isi.webserver.FileUtil.java

static public File downloadFileFromHTTPRequest(HttpServletRequest request) {
    // Download the file to the upload file folder
    File destinationDir = new File(DESTINATION_DIR_PATH);
    logger.info("File upload destination directory: " + destinationDir.getAbsolutePath());
    if (!destinationDir.isDirectory()) {
        destinationDir.mkdir();/*  w  ww  . j  a va 2 s  .  com*/
    }

    DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();

    // Set the size threshold, above which content will be stored on disk.
    fileItemFactory.setSizeThreshold(1 * 1024 * 1024); //1 MB

    //Set the temporary directory to store the uploaded files of size above threshold.
    fileItemFactory.setRepository(destinationDir);

    ServletFileUpload uploadHandler = new ServletFileUpload(fileItemFactory);

    File uploadedFile = null;
    try {
        // Parse the request
        @SuppressWarnings("rawtypes")
        List items = uploadHandler.parseRequest(request);
        @SuppressWarnings("rawtypes")
        Iterator itr = items.iterator();
        while (itr.hasNext()) {
            FileItem item = (FileItem) itr.next();

            // Ignore Form Fields.
            if (item.isFormField()) {
                System.out.println(item.getFieldName());
                System.out.println(item.getString());
                // Do nothing
            } else {
                //Handle Uploaded files. Write file to the ultimate location.
                System.out.println("File field name: " + item.getFieldName());
                uploadedFile = new File(destinationDir, item.getName());
                item.write(uploadedFile);
                System.out.println("File written to: " + uploadedFile.getAbsolutePath());
            }
        }
    } catch (FileUploadException ex) {
        logger.error("Error encountered while parsing the request", ex);
    } catch (Exception ex) {
        logger.error("Error encountered while uploading file", ex);
    }
    return uploadedFile;
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.MultipartRequestWrapper.java

private static void parseFileParts(HttpServletRequest req, ListsMap<String> parameters,
        ListsMap<FileItem> files, ParsingStrategy strategy) throws IOException {

    ServletFileUpload upload = createUploadHandler(req, strategy.maximumMultipartFileSize());
    List<FileItem> items = parseRequestIntoFileItems(req, upload, strategy);

    for (FileItem item : items) {
        // Process a regular form field
        String name = item.getFieldName();
        if (item.isFormField()) {
            String value;/*w  w  w  . ja  va 2  s . c  o m*/
            try {
                value = item.getString("UTF-8");
            } catch (UnsupportedEncodingException e) {
                value = item.getString();
            }
            parameters.add(name, value);
            log.debug("Form field (parameter) " + name + "=" + value);
        } else {
            files.add(name, item);
            log.debug("File " + name + ": " + item.getSize() + " bytes.");
        }
    }
}

From source file:com.openmeap.util.ServletUtils.java

/**
 * @param modelManager/*from www  . j  av  a2  s .c o m*/
 * @param request
 * @param map
 * @return
 * @throws FileUploadException
 */
static final public Boolean handleFileUploads(Integer maxFileUploadSize, String fileStoragePrefix,
        HttpServletRequest request, Map<Object, Object> map) throws FileUploadException {

    DiskFileItemFactory factory = new DiskFileItemFactory();
    factory.setSizeThreshold(4096);
    factory.setRepository(new File(fileStoragePrefix));

    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setSizeMax(maxFileUploadSize);

    List fileItems = upload.parseRequest(request);
    for (FileItem item : (List<FileItem>) fileItems) {
        // we'll put this in the parameter map,
        // assuming the backing that is looking for it
        // knows what to expect
        String fieldName = item.getFieldName();
        Boolean isFormField = item.isFormField();
        Long size = item.getSize();
        if (isFormField) {
            if (size > 0) {
                map.put(fieldName, new String[] { item.getString() });
            }
        } else if (!isFormField) {
            map.put(fieldName, item);
        }
    }

    return true;
}

From source file:dataMappers.PictureDataMapper.java

public static void addPictureToReport(DBConnector dbconnector, HttpServletRequest request)
        throws FileUploadException, IOException, SQLException {

    if (!ServletFileUpload.isMultipartContent(request)) {
        System.out.println("Invalid upload request");
        return;//  www. j a v a  2s  .  co  m
    }

    // Define limits for disk item
    DiskFileItemFactory factory = new DiskFileItemFactory();
    factory.setSizeThreshold(THRESHOLD_SIZE);

    // Define limit for servlet upload
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setFileSizeMax(MAX_FILE_SIZE);
    upload.setSizeMax(MAX_REQUEST_SIZE);

    FileItem itemFile = null;
    int reportID = 0;

    // Get list of items in request (parameters, files etc.)
    List formItems = upload.parseRequest(request);
    Iterator iter = formItems.iterator();

    // Loop items
    while (iter.hasNext()) {
        FileItem item = (FileItem) iter.next();

        if (!item.isFormField()) {
            itemFile = item; // If not form field, must be item
        } else if (item.getFieldName().equalsIgnoreCase("reportID")) { // else it is a form field
            try {
                System.out.println(item.getString());
                reportID = Integer.parseInt(item.getString());
            } catch (NumberFormatException e) {
                reportID = 0;
            }
        }
    }

    // This will be null if no fields were declared as image/upload.
    // Also, reportID must be > 0
    if (itemFile != null || reportID == 0) {

        try {

            // Create credentials from final vars
            BasicAWSCredentials awsCredentials = new BasicAWSCredentials(AMAZON_ACCESS_KEY, AMAZON_SECRET_KEY);

            // Create client with credentials
            AmazonS3 s3client = new AmazonS3Client(awsCredentials);
            // Set region
            s3client.setRegion(Region.getRegion(Regions.EU_WEST_1));

            // Set content length (size) of file
            ObjectMetadata om = new ObjectMetadata();
            om.setContentLength(itemFile.getSize());

            // Get extension for file
            String ext = FilenameUtils.getExtension(itemFile.getName());
            // Generate random filename
            String keyName = UUID.randomUUID().toString() + '.' + ext;

            // This is the actual upload command
            s3client.putObject(new PutObjectRequest(S3_BUCKET_NAME, keyName, itemFile.getInputStream(), om));

            // Picture was uploaded to S3 if we made it this far. Now we insert the row into the database for the report.
            PreparedStatement stmt = dbconnector.getCon()
                    .prepareStatement("INSERT INTO reports_pictures" + "(REPORTID, PICTURE) VALUES (?,?)");

            stmt.setInt(1, reportID);
            stmt.setString(2, keyName);

            stmt.executeUpdate();

            stmt.close();

        } catch (AmazonServiceException ase) {

            System.out.println("Caught an AmazonServiceException, which " + "means your request made it "
                    + "to Amazon S3, but was rejected with an error response" + " for some reason.");
            System.out.println("Error Message:    " + ase.getMessage());
            System.out.println("HTTP Status Code: " + ase.getStatusCode());
            System.out.println("AWS Error Code:   " + ase.getErrorCode());
            System.out.println("Error Type:       " + ase.getErrorType());
            System.out.println("Request ID:       " + ase.getRequestId());

        } catch (AmazonClientException ace) {

            System.out.println("Caught an AmazonClientException, which " + "means the client encountered "
                    + "an internal error while trying to " + "communicate with S3, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message: " + ace.getMessage());

        }

    }
}

From source file:eu.impact_project.iif.t2.client.Helper.java

/**
 * Extracts all the form input values from a request object. Taverna
 * workflows are read as strings. Other files are converted to Base64
 * strings.// w ww.ja  v a 2 s .c  om
 * 
 * @param request
 *            The request object that will be analyzed
 * @return Map containing all form values and files as strings. The name of
 *         the form is used as the index
 */
public static Map<String, String> parseRequest(HttpServletRequest request) {

    // stores all the strings and encoded files from the html form
    Map<String, String> htmlFormItems = new HashMap<String, String>();
    try {

        // Create a factory for disk-based file items
        FileItemFactory factory = new DiskFileItemFactory();

        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);

        // Parse the request
        List items;
        items = upload.parseRequest(request);

        // Process the uploaded items
        Iterator iter = items.iterator();
        while (iter.hasNext()) {
            FileItem item = (FileItem) iter.next();

            // a normal string field
            if (item.isFormField()) {

                // put the string items into the map
                htmlFormItems.put(item.getFieldName(), item.getString());

                // uploaded workflow file
            } else if (item.getFieldName().startsWith("file_workflow")) {

                htmlFormItems.put(item.getFieldName(), new String(item.get()));

                // uploaded file
            } else {

                // encode the uploaded file to base64
                String currentAttachment = new String(Base64.encode(item.get()));

                // put the encoded attachment into the map
                htmlFormItems.put(item.getFieldName(), currentAttachment);
            }
        }

    } catch (FileUploadException e) {
        e.printStackTrace();
    }
    return htmlFormItems;
}

From source file:com.silverpeas.util.i18n.I18NHelper.java

static private String getParameterValue(List<FileItem> items, String parameterName) {
    for (FileItem item : items) {
        if (item.isFormField() && parameterName.equals(item.getFieldName())) {
            return item.getString();
        }//from   w  ww  .jav  a  2s . co  m
    }
    return null;
}