Java Code Examples for org.apache.commons.fileupload.servlet.ServletFileUpload#getItemIterator()

private Map<String, String> getMultipartParameterMap()
		throws RepositoryException, IOException, FileUploadException {
	Map<String, String> parameters = new HashMap<>();
	ServletFileUpload upload = new ServletFileUpload();
	FileItemIterator iter = upload.getItemIterator(this);
	while (iter.hasNext()) {
		FileItemStream item = iter.next();
		String name = item.getFieldName();
		if ("content".equals(name)) {
			content = item.openStream();
			contentFileName = item.getName();
			break;
		} else {
			parameters.put(name, firstLine(item));
		}
	}
	return parameters;
}
 

/**
 * <p> Example of parsing the multipart request using commons file upload. In this case the parsing happens in blocking io.
 *
 * @param request The {@code HttpServletRequest}
 * @return The {@code VerificationItems}
 * @throws Exception if an exception happens during the parsing
 */
@RequestMapping(value = "/blockingio/fileupload/multipart", method = RequestMethod.POST)
public @ResponseBody VerificationItems blockingIoMultipart(final HttpServletRequest request) throws Exception {

    assertRequestIsMultipart(request);

    final ServletFileUpload servletFileUpload = new ServletFileUpload();
    final FileItemIterator fileItemIterator = servletFileUpload.getItemIterator(request);

    final VerificationItems verificationItems = new VerificationItems();
    Metadata metadata = null;
    while (fileItemIterator.hasNext()){
        FileItemStream fileItemStream = fileItemIterator.next();
        if (METADATA_FIELD_NAME.equals(fileItemStream.getFieldName())){
            if (metadata != null){
                throw new IllegalStateException("Found more than one metadata field");
            }
            metadata = unmarshalMetadata(fileItemStream.openStream());
        }else {
            VerificationItem verificationItem = buildVerificationItem(fileItemStream.openStream(), fileItemStream.getFieldName(), fileItemStream.isFormField());
            verificationItems.getVerificationItems().add(verificationItem);
        }
    }
    processVerificationItems(verificationItems, metadata, false, request.getHeader(VERIFICATION_CONTROL_HEADER_NAME));
    return verificationItems;
}
 

private FileItemIterator createFileIterator(HttpServletRequest request) throws IOException, FileUploadException {
    long maxUploadSize = new Configuration().getMaxUploadSize();
    ServletFileUpload upload = getFileUploadServlet();
    upload.setSizeMax(maxUploadSize);
    try {
        return upload.getItemIterator(request);
    } catch (SizeLimitExceededException ex) {
        throw new SLException(MessageFormat.format(Messages.MAX_UPLOAD_SIZE_EXCEEDED, maxUploadSize));
    }
}
 

private void parseParams() {

		DiskFileItemFactory dff = new DiskFileItemFactory();
		try {
			ServletFileUpload sfu = new ServletFileUpload(dff);
			sfu.setSizeMax(this.maxSize);
			sfu.setHeaderEncoding(Uploader.ENCODEING);

			FileItemIterator fii = sfu.getItemIterator(this.request);

			while (fii.hasNext()) {
				FileItemStream item = fii.next();
				// 普通参数存储
				if (item.isFormField()) {

					this.params.put(item.getFieldName(),
							this.getParameterValue(item.openStream()));

				} else {

					// 只保留一个
					if (this.inputStream == null) {
						this.inputStream = item.openStream();
						this.originalName = item.getName();
						return;
					}

				}

			}

		} catch (Exception e) {
			this.state = this.errorInfo.get("UNKNOWN");
		}

	}
 

private void uploadMultipart(HttpServletRequest req, HttpServletResponse resp,
    OutputStream repoItemOutputStrem) throws IOException {

  log.debug("Multipart detected");

  ServletFileUpload upload = new ServletFileUpload();

  try {

    // Parse the request
    FileItemIterator iter = upload.getItemIterator(req);
    while (iter.hasNext()) {
      FileItemStream item = iter.next();
      String name = item.getFieldName();
      try (InputStream stream = item.openStream()) {
        if (item.isFormField()) {
          // TODO What to do with this?
          log.debug("Form field {} with value {} detected.", name, Streams.asString(stream));
        } else {

          // TODO Must we support multiple files uploading?
          log.debug("File field {} with file name detected.", name, item.getName());

          log.debug("Start to receive bytes (estimated bytes)",
              Integer.toString(req.getContentLength()));
          int bytes = IOUtils.copy(stream, repoItemOutputStrem);
          resp.setStatus(SC_OK);
          log.debug("Bytes received: {}", Integer.toString(bytes));
        }
      }
    }

  } catch (FileUploadException e) {
    throw new IOException(e);
  }
}
 

private void parseParams() {

		DiskFileItemFactory dff = new DiskFileItemFactory();
		try {
			ServletFileUpload sfu = new ServletFileUpload(dff);
			sfu.setSizeMax(this.maxSize);
			sfu.setHeaderEncoding(Uploader.ENCODEING);

			FileItemIterator fii = sfu.getItemIterator(this.request);

			while (fii.hasNext()) {
				FileItemStream item = fii.next();
				// 普通参数存储
				if (item.isFormField()) {

					this.params.put(item.getFieldName(),
							this.getParameterValue(item.openStream()));

				} else {

					// 只保留一个
					if (this.inputStream == null) {
						this.inputStream = item.openStream();
						this.originalName = item.getName();
						return;
					}

				}

			}

		} catch (Exception e) {
			this.state = this.errorInfo.get("UNKNOWN");
		}

	}
 

private InputStream getRequestStream(HttpServletRequest req, String expectedFieldName)
    throws Exception {
  ServletFileUpload upload = new ServletFileUpload();
  FileItemIterator iterator = upload.getItemIterator(req);
  while (iterator.hasNext()) {
    FileItemStream item = iterator.next();
    if (item.getFieldName().equals(expectedFieldName)) {
      return item.openStream();
    }
  }

  throw new IllegalArgumentException("Field " + expectedFieldName + " not found in upload");
}
 

private InputStream getRequestStream(HttpServletRequest req, String expectedFieldName)
      throws Exception {
    ServletFileUpload upload = new ServletFileUpload();
    FileItemIterator iterator = upload.getItemIterator(req);
    while (iterator.hasNext()) {
      FileItemStream item = iterator.next();
//      LOG.info(item.getContentType());
      if (item.getFieldName().equals(expectedFieldName)) {
        return item.openStream();
      }
    }
    throw new IllegalArgumentException("Field " + expectedFieldName + " not found in upload");
  }
 

private String handlePostBody(HttpServletRequest request, HttpServletResponse response) throws IOException {

        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        org.apache.commons.fileupload.FileItemIterator it = null;
        try {
            it = upload.getItemIterator(request);

            while (it.hasNext()) {
                FileItemStream stream = it.next();
                InputStream input = stream.openStream();

                // NOTE: we are going to pull the entire stream into memory
                // this will NOT work if we have huge scripts, but we expect these to be measured in KBs, not MBs or larger
                byte[] uploadedBytes = getBytesFromInputStream(input);
                input.close();

                if (uploadedBytes.length == 0) {
                    setUsageError(400, "ERROR: Body contained no data.", response);
                    return null;
                }

                return new String(uploadedBytes);
            }
        } catch (FileUploadException e) {
            throw new IOException(e.getMessage());
        }
        return null;
    }
 

/**
    * 파일을 Upload 처리한다.
    *
    * @param request
    * @param where
    * @param maxFileSize
    * @return
    * @throws Exception
    */
   public static List<HeritFormBasedFileVO> uploadFiles(HttpServletRequest request, String where, long maxFileSize) throws Exception {
List<HeritFormBasedFileVO> list = new ArrayList<HeritFormBasedFileVO>();

// Check that we have a file upload request
boolean isMultipart = ServletFileUpload.isMultipartContent(request);

if (isMultipart) {
    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload();
    upload.setFileSizeMax(maxFileSize);	// SizeLimitExceededException

    // 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.");
            Logger.getLogger(HeritFormBasedFileUtil.class).info("Form field '" + name + "' with value '" + Streams.asString(stream) + "' detected.");
        } else {
            ////System.out.println("File field '" + name + "' with file name '" + item.getName() + "' detected.");
            Logger.getLogger(HeritFormBasedFileUtil.class).info("File field '" + name + "' with file name '" + item.getName() + "' detected.");

            if ("".equals(item.getName())) {
        	continue;
            }

            // Process the input stream
            HeritFormBasedFileVO vo = new HeritFormBasedFileVO();

            String tmp = item.getName();

            if (tmp.lastIndexOf("\\") >= 0) {
        	tmp = tmp.substring(tmp.lastIndexOf("\\") + 1);
            }

            vo.setFileName(tmp);
            vo.setContentType(item.getContentType());
            vo.setServerSubPath(getTodayString());
            vo.setPhysicalName(getPhysicalFileName());

            if (tmp.lastIndexOf(".") >= 0) {
        	 vo.setPhysicalName(vo.getPhysicalName() + tmp.substring(tmp.lastIndexOf(".")));
            }

            long size = saveFile(stream, new File(HeritWebUtil.filePathBlackList(where) + SEPERATOR + vo.getServerSubPath() + SEPERATOR + vo.getPhysicalName()));

            vo.setSize(size);

            list.add(vo);
        }
    }
} else {
    throw new IOException("form's 'enctype' attribute have to be 'multipart/form-data'");
}

return list;
   }
 

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	
	if (ServletFileUpload.isMultipartContent(request)) {

		try {
			ServletFileUpload propertiesFile = new ServletFileUpload();
			FileItemIterator fii = propertiesFile.getItemIterator(request);

			while(fii.hasNext()) {
				FileItemStream item = fii.next();
				String name = item.getFieldName();
				InputStream is = item.openStream();
				
				if (item.isFormField()) {
					return;
					
				} else {

					if (is != null) {
						
						Properties props = new Properties();
						props.load(is);
						
						// Set the appropriate pingid.properties values to session
						HttpSession session = request.getSession(false);
						session.setAttribute("pingid_org_alias", props.getProperty("org_alias"));
						session.setAttribute("pingid_token", props.getProperty("token"));
						session.setAttribute("pingid_use_base64_key", props.getProperty("use_base64_key"));
						session.setAttribute("pingid_url", props.getProperty("idp_url"));

						// Set the results of the action to the request attributes
						request.setAttribute("status", "OK");
						request.setAttribute("statusMessage", "Successfully imported pingid.properties");
						
						RequestDispatcher requestDispatcher;
						requestDispatcher = request.getRequestDispatcher("/index.jsp");
						requestDispatcher.forward(request, response);
					}
					return;					
				}
			}
		} catch (FileUploadException ex) {

			throw new ServletException(ex.getMessage());
		}

	} else {
           return;					
	}
}
 

protected FileItemIterator getItemIterator(VaadinRequest request)
        throws FileUploadException, IOException {
    ServletFileUpload upload = new ServletFileUpload();
    return upload.getItemIterator((HttpServletRequest) request);
}
 

/**
    * 파일을 Upload 처리한다.
    *
    * @param request
    * @param where
    * @param maxFileSize
    * @return
    * @throws Exception
    */
   public static List<HeritFormBasedFileVO> uploadFiles(HttpServletRequest request, String where, long maxFileSize) throws Exception {
List<HeritFormBasedFileVO> list = new ArrayList<HeritFormBasedFileVO>();

// Check that we have a file upload request
boolean isMultipart = ServletFileUpload.isMultipartContent(request);

if (isMultipart) {
    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload();
    upload.setFileSizeMax(maxFileSize);	// SizeLimitExceededException

    // 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.");
            Logger.getLogger(HeritFormBasedFileUtil.class).info("Form field '" + name + "' with value '" + Streams.asString(stream) + "' detected.");
        } else {
            ////System.out.println("File field '" + name + "' with file name '" + item.getName() + "' detected.");
            Logger.getLogger(HeritFormBasedFileUtil.class).info("File field '" + name + "' with file name '" + item.getName() + "' detected.");

            if ("".equals(item.getName())) {
        	continue;
            }

            // Process the input stream
            HeritFormBasedFileVO vo = new HeritFormBasedFileVO();

            String tmp = item.getName();

            if (tmp.lastIndexOf("\\") >= 0) {
        	tmp = tmp.substring(tmp.lastIndexOf("\\") + 1);
            }

            vo.setFileName(tmp);
            vo.setContentType(item.getContentType());
            vo.setServerSubPath(getTodayString());
            vo.setPhysicalName(getPhysicalFileName());

            if (tmp.lastIndexOf(".") >= 0) {
        	 vo.setPhysicalName(vo.getPhysicalName() + tmp.substring(tmp.lastIndexOf(".")));
            }

            long size = saveFile(stream, new File(HeritWebUtil.filePathBlackList(where) + SEPERATOR + vo.getServerSubPath() + SEPERATOR + vo.getPhysicalName()));

            vo.setSize(size);

            list.add(vo);
        }
    }
} else {
    throw new IOException("form's 'enctype' attribute have to be 'multipart/form-data'");
}

return list;
   }
 

/**
 * Uploads a file to a WebDAV server
 * @param request the request
 * @return the uploaded item
 * @throws IOException if there is any error reading the content of the file
 * @throws WebDavException if there is any error uploading the file to the WebDAV server
 * @throws InvalidParametersException if there is any error parsing the request
 */
@PostMapping("/upload")
public ResultOne<WebDavItem> uploadItem(HttpServletRequest request) throws IOException, WebDavException,
    InvalidParametersException {
    if (ServletFileUpload.isMultipartContent(request)) {
        ResultOne<WebDavItem> result = new ResultOne<>();
        try {
            ServletFileUpload upload = new ServletFileUpload();
            FileItemIterator iterator = upload.getItemIterator(request);
            String siteId = null;
            String profileId = null;
            String path = null;
            if (!iterator.hasNext()) {
                throw new InvalidParametersException("Request body is empty");
            }
            while (iterator.hasNext()) {
                FileItemStream item = iterator.next();
                String name = item.getFieldName();
                try(InputStream stream = item.openStream()) {
                    if (item.isFormField()) {
                        switch (name) {
                            case REQUEST_PARAM_SITEID:
                                siteId = Streams.asString(stream);
                                break;
                            case REQUEST_PARAM_PROFILE_ID:
                                profileId = Streams.asString(stream);
                                break;
                            case REQUEST_PARAM_PATH:
                                path = Streams.asString(stream);
                            default:
                                // Unknown parameter, just skip it...
                        }
                    } else {
                        String filename = item.getName();
                        if (StringUtils.isNotEmpty(filename)) {
                            filename = FilenameUtils.getName(filename);
                        }
                        result.setEntity(RESULT_KEY_ITEM,
                            webDavService.upload(siteId, profileId, path, filename, stream));
                        result.setResponse(ApiResponse.OK);
                    }
                }
            }
            return result;
        } catch (FileUploadException e) {
            throw new InvalidParametersException("The request body is invalid");
        }
    } else {
        throw new InvalidParametersException("The request is not multipart");
    }
}
 

/**
 * Uploads a file to S3 and triggers a MediaConvert job
 *
 * @param request the request
 * @return the result of triggering the job
 * @throws IOException if there is any error reading the content of the file
 * @throws AwsException if there is any error uploading the file or triggering the job
 * @throws InvalidParametersException if there is any error parsing the request
 */
@PostMapping("/upload")
public ResultOne<MediaConvertResult> uploadVideo(HttpServletRequest request)
    throws IOException, AwsException, InvalidParametersException {
    if (ServletFileUpload.isMultipartContent(request)) {
        ResultOne<MediaConvertResult> result = new ResultOne<>();
        try {
            ServletFileUpload upload = new ServletFileUpload();
            FileItemIterator iterator = upload.getItemIterator(request);
            String siteId = null;
            String inputProfileId = null;
            String outputProfileId = null;
            while (iterator.hasNext()) {
                FileItemStream item = iterator.next();
                String name = item.getFieldName();
                try (InputStream stream = item.openStream()) {
                    if (item.isFormField()) {
                        switch (name) {
                            case REQUEST_PARAM_SITEID:
                                siteId = Streams.asString(stream);
                                break;
                            case INPUT_PROFILE_PARAM:
                                inputProfileId = Streams.asString(stream);
                                break;
                            case OUTPUT_PROFILE_PARAM:
                                outputProfileId = Streams.asString(stream);
                                break;
                            default:
                                // Unknown parameter, just skip it...
                        }
                    } else {
                        if (StringUtils.isAnyEmpty(siteId, inputProfileId, outputProfileId)) {
                            throw new InvalidParametersException("Missing one or more required parameters: "
                                + "siteId, inputProfileId or outputProfileId");
                        }
                        String filename = item.getName();
                        if (StringUtils.isNotEmpty(filename)) {
                            filename = FilenameUtils.getName(filename);
                        }
                        result.setEntity(RESULT_KEY_ITEM,
                            mediaConvertService
                                .uploadVideo(siteId, inputProfileId, outputProfileId, filename, stream));
                        result.setResponse(ApiResponse.OK);
                    }
                }
            }
            return result;
        } catch (FileUploadException e) {
            throw new InvalidParametersException("The request body is invalid");
        }
    } else {
        throw new InvalidParametersException("The request is not multipart");
    }
}
 

/**
 * Upload a file to an S3 bucket.
 * @param request the request
 * @return the item uploaded
 * @throws IOException if there is any error reading the content of the file
 * @throws InvalidParametersException if there is any error parsing the request
 * @throws AwsException if there is any error connecting to S3
 */
@PostMapping("/upload")
public ResultOne<S3Item> uploadItem(HttpServletRequest request) throws IOException, InvalidParametersException,
    AwsException {
    if(ServletFileUpload.isMultipartContent(request)) {
        ResultOne<S3Item> result = new ResultOne<>();
        try {
            ServletFileUpload upload = new ServletFileUpload();
            FileItemIterator iterator = upload.getItemIterator(request);
            String siteId = null;
            String profileId = null;
            String path = null;
            while (iterator.hasNext()) {
                FileItemStream item = iterator.next();
                String name = item.getFieldName();
                try(InputStream stream = item.openStream()) {
                    if (item.isFormField()) {
                        switch (name) {
                            case REQUEST_PARAM_SITEID:
                                siteId = Streams.asString(stream);
                                break;
                            case REQUEST_PARAM_PROFILE_ID:
                                profileId = Streams.asString(stream);
                                break;
                            case REQUEST_PARAM_PATH:
                                path = Streams.asString(stream);
                            default:
                                // Unknown parameter, just skip it...
                        }
                    } else {
                        String filename = item.getName();
                        if (StringUtils.isNotEmpty(filename)) {
                            filename = FilenameUtils.getName(filename);
                        }
                        result.setEntity(RESULT_KEY_ITEM,
                            s3Service.uploadItem(siteId, profileId, path, filename, stream));
                        result.setResponse(ApiResponse.OK);
                    }
                }
            }
            return result;
        } catch (FileUploadException e) {
            throw new InvalidParametersException("The request body is invalid");
        }
    } else {
        throw new InvalidParametersException("The request is not multipart");
    }
}
 

@PostMapping(value = "/api/2/cmis/upload")
public ResponseBody uploadContent(HttpServletRequest httpServletRequest)
        throws IOException, CmisUnavailableException, CmisPathNotFoundException, CmisTimeoutException,
        CmisRepositoryNotFoundException, FileUploadException, InvalidParametersException {

    ServletFileUpload servletFileUpload = new ServletFileUpload();
    FileItemIterator itemIterator = servletFileUpload.getItemIterator(httpServletRequest);
    String filename = StringUtils.EMPTY;
    String siteId = StringUtils.EMPTY;
    String cmisRepoId = StringUtils.EMPTY;
    String cmisPath = StringUtils.EMPTY;
    CmisUploadItem cmisUploadItem = new CmisUploadItem();
    while (itemIterator.hasNext()) {
        FileItemStream item = itemIterator.next();
        String name = item.getFieldName();
        try (InputStream stream = item.openStream()) {
            if (item.isFormField()) {
                switch (name) {
                    case REQUEST_PARAM_SITEID:
                        siteId = Streams.asString(stream);
                        break;
                    case REQUEST_PARAM_CMIS_REPO_ID:
                        cmisRepoId = Streams.asString(stream);
                        break;
                    case REQUEST_PARAM_CMIS_PATH:
                        cmisPath = Streams.asString(stream);
                        break;
                    default:
                        // Unknown parameter, just skip it...
                        break;
                }
            } else {
                filename = item.getName();
                if (StringUtils.isEmpty(siteId)) {
                    throw new InvalidParametersException("Invalid siteId");
                }
                if (StringUtils.isEmpty(cmisRepoId)) {
                    throw new InvalidParametersException("Invalid cmisRepoId");
                }
                if (StringUtils.isEmpty(cmisPath)) {
                    throw new InvalidParametersException("Invalid cmisPath");
                }
                cmisUploadItem = cmisService.uploadContent(siteId, cmisRepoId, cmisPath, filename, stream);
            }
        }
    }
    ResponseBody responseBody = new ResponseBody();
    ResultOne<CmisUploadItem> result = new ResultOne<CmisUploadItem>();
    result.setResponse(OK);
    result.setEntity(RESULT_KEY_ITEM, cmisUploadItem);
    responseBody.setResult(result);
    return responseBody;
}
 

public void importContent(HttpServletRequest request, HttpServletResponse response, String requestUri) throws WPBException
{
	org.json.JSONObject returnJson = new org.json.JSONObject();
	WPBAuthenticationResult authenticationResult = this.handleAuthentication(request);
	if (! isRequestAuthenticated(authenticationResult))
	{
		httpServletToolbox.writeBodyResponseAsJson(response, returnJson, null, authenticationResult);
		return ;
	}
	
    File tempFile = null;
	try
	{
		  ServletFileUpload upload = new ServletFileUpload();
	      
	      FileItemIterator iterator = upload.getItemIterator(request);
	      while (iterator.hasNext()) {
	        FileItemStream item = iterator.next(); 
	        if (!item.isFormField() && item.getFieldName().equals("file")) {
	          InputStream is = item.openStream();
	          tempFile = File.createTempFile("wpbImport", null);
	          FileOutputStream fos = new FileOutputStream(tempFile);
	          IOUtils.copy(is, fos);
	          fos.close();
	          
	          adminStorage.stopNotifications();
	          deleteAll();
	          
	          // because the zip file entries cannot be predicted we needto import in two step1
	          // step 1 when we create the resource records
	          // step 2 when we import the files, pages, modules and articles content
	          InputStream is1 = new FileInputStream(tempFile);
	          storageExporter.importFromZipStep1(is1);
	          is1.close();

                 InputStream is2 = new FileInputStream(tempFile);
                 storageExporter.importFromZipStep2(is2);
                 is2.close();
                 storageExporter.importFromZipStep3();

	          returnJson.put(DATA, "");			
	          httpServletToolbox.writeBodyResponseAsJson(response, returnJson, null, authenticationResult);
	        }
	      }		
	} catch (Exception e)
	{
		Map<String, String> errors = new HashMap<String, String>();		
		errors.put("", WPBErrors.WB_CANNOT_IMPORT_PROJECT);
		httpServletToolbox.writeBodyResponseAsJson(response, jsonObjectConverter.JSONObjectFromMap(null), errors);			
	}
	finally
	{
	    if (tempFile != null)
	    {
	        if (! tempFile.delete())
	        {
	            tempFile.deleteOnExit();
	        }
	    }
	    
	    adminStorage.startNotifications();
	}
}
 

public void uploadFolder(HttpServletRequest request, HttpServletResponse response, String requestUri) throws WPBException
  {
org.json.JSONObject returnJson = new org.json.JSONObject();
WPBAuthenticationResult authenticationResult = this.handleAuthentication(request);
if (! isRequestAuthenticated(authenticationResult))
{
	httpServletToolbox.writeBodyResponseAsJson(response, returnJson, null, authenticationResult);
	return ;
}

      try
      {
            ServletFileUpload upload = new ServletFileUpload();
            upload.setHeaderEncoding("UTF-8");
            FileItemIterator iterator = upload.getItemIterator(request);
            WPBFile ownerFile = null;
            Map<String, WPBFile> subfolderFiles = new HashMap<String, WPBFile>();
            
            while (iterator.hasNext()) {
              FileItemStream item = iterator.next();
             
              if (item.isFormField() && item.getFieldName().equals("ownerExtKey"))
              {
                  String ownerExtKey = Streams.asString(item.openStream());
                  ownerFile = getDirectory(ownerExtKey, adminStorage);	            
              } else
              if (!item.isFormField() && item.getFieldName().equals("file")) {
                
                String fullName = item.getName();
                String directoryPath = getDirectoryFromLongName(fullName);
                String fileName = getFileNameFromLongName(fullName);
                
                Map<String, WPBFile> tempSubFolders = checkAndCreateSubDirectory(directoryPath, ownerFile);
                subfolderFiles.putAll(tempSubFolders);
                
                // delete the existing file
                WPBFile existingFile = getFileFromDirectory(subfolderFiles.get(directoryPath) , fileName);
                if (existingFile != null)
                {
                    deleteFile(existingFile, 0);
                }
                
                // create the file
                WPBFile file = new WPBFile();
                file.setExternalKey(adminStorage.getUniqueId());
                file.setFileName(fileName);
                file.setLastModified(Calendar.getInstance(TimeZone.getTimeZone("GMT")).getTime());
                file.setDirectoryFlag(0);
                
                addFileToDirectory(subfolderFiles.get(directoryPath), file, item.openStream());
                
              }
            } 
            
            returnJson.put(DATA, jsonObjectConverter.JSONFromObject(null));           
               httpServletToolbox.writeBodyResponseAsJson(response, returnJson, null, authenticationResult);
      } catch (Exception e)
      {
          Map<String, String> errors = new HashMap<String, String>();     
          errors.put("", WPBErrors.WB_CANT_UPDATE_RECORD);
          httpServletToolbox.writeBodyResponseAsJson(response, jsonObjectConverter.JSONObjectFromMap(null), errors);          
      }
  }