List of usage examples for org.apache.commons.fileupload FileItemIterator next
FileItemStream next() throws FileUploadException, IOException;
From source file:org.kaaproject.avro.ui.sandbox.services.FileUploadServlet.java
@Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletFileUpload upload = new ServletFileUpload(); try {/* ww w . jav a2s . c o m*/ FileItemIterator iterator = upload.getItemIterator(request); if (iterator.hasNext()) { FileItemStream item = iterator.next(); String name = item.getFieldName(); logger.debug("Uploading file '{}' with item name '{}'", item.getName(), name); InputStream stream = item.openStream(); ByteArrayOutputStream out = new ByteArrayOutputStream(); Streams.copy(stream, out, true); byte[] data = out.toByteArray(); response.setStatus(HttpServletResponse.SC_OK); response.setContentType("text/html"); response.setCharacterEncoding("utf-8"); response.getWriter().print(new String(data)); response.flushBuffer(); } else { logger.error("No file found in post request!"); throw new RuntimeException("No file found in post request!"); } } catch (Exception e) { logger.error("Unexpected error in FileUploadServlet.doPost: ", e); throw new RuntimeException(e); } }
From source file:org.kaaproject.kaa.server.admin.servlet.FileUpload.java
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //CHECKSTYLE:ON ServletFileUpload upload = new ServletFileUpload(); try {/*w w w . j a v a2 s.com*/ FileItemIterator iter = upload.getItemIterator(request); if (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); LOG.debug("Uploading file '{}' with item name '{}'", item.getName(), name); InputStream stream = item.openStream(); // Process the input stream ByteArrayOutputStream out = new ByteArrayOutputStream(); Streams.copy(stream, out, true); byte[] data = out.toByteArray(); cacheService.uploadedFile(name, data); } else { LOG.error("No file found in post request!"); throw new RuntimeException("No file found in post request!"); } } catch (Exception ex) { LOG.error("Unexpected error in FileUpload.doPost: ", ex); throw new RuntimeException(ex); } }
From source file:org.kawanfw.file.servlet.ServerFileUploadAction.java
/** * // www . j a v a 2s . c om * Execute the dispatched request * * @param request * the http request * @param response * the http response * @param servletContextTempDir * The temp dir used by Servlets * @param commonsConfigurator * the client login specific class * @throws IOException */ public void executeAction(HttpServletRequest request, HttpServletResponse response, File servletContextTempDir, CommonsConfigurator commonsConfigurator, FileConfigurator fileConfigurator) throws IOException { PrintWriter out = response.getWriter(); try { String username = null; String token = null; String filename = null; long chunkLength = 0; response.setContentType("text/html"); // Prepare the response // Check that we have a file upload request boolean isMultipart = ServletFileUpload.isMultipartContent(request); debug("isMultipart: " + isMultipart); if (!isMultipart) { return; } // Create a factory for disk-based file items DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setRepository(servletContextTempDir); debug("servletContextTempDir: " + servletContextTempDir); // Create a new file upload handler using the factory // that define the secure temp dir ServletFileUpload upload = new ServletFileUpload(factory); // Parse the request FileItemIterator iter = upload.getItemIterator(request); // Parse the request // List /* FileItem */ items = upload.parseRequest(request); while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); debug("name: " + name); // The input Stream for the File InputStream stream = item.openStream(); if (item.isFormField()) { if (name.equals(Parameter.USERNAME)) { // username = Streams.asString(stream); username = StreamsEncrypted.asString(stream, commonsConfigurator); // Not sure it's necessary: username = HtmlConverter.fromHtml(username); debug("username: " + username); } else if (name.equals(Parameter.TOKEN)) { // token = Streams.asString(stream); token = StreamsEncrypted.asString(stream, commonsConfigurator); debug("token: " + token); } else if (name.equals(Parameter.FILENAME)) { // filename = Streams.asString(stream); filename = StreamsEncrypted.asString(stream, commonsConfigurator); debug("filename: " + filename); } else if (name.equals(Parameter.CHUNKLENGTH)) { String chunklengthStr = StreamsEncrypted.asString(stream, commonsConfigurator); chunkLength = Long.parseLong(chunklengthStr); debug("chunklengthStr: " + chunklengthStr); } } else { if (!isTokenValid(out, username, token, commonsConfigurator)) // Security // check { return; } // Not sure it's necessary: filename = HtmlConverter.fromHtml(filename); debug(""); debug("File field " + name + " with file name " + item.getName() + " detected."); debug("filename: " + filename); new FileTransferManager().upload(fileConfigurator, stream, username, filename, chunkLength); out.println(TransferStatus.SEND_OK); out.println("OK"); return; } } } catch (Throwable throwable) { Throwable finalThrowable = ServerFileDispatch.getFinalThrowable(throwable); out.println(TransferStatus.SEND_FAILED); out.println(finalThrowable.getClass().getName()); out.println(ServerUserThrowable.getMessage(finalThrowable)); out.println(ExceptionUtils.getStackTrace(finalThrowable)); // stack trace try { ServerLogger.getLogger().log(Level.WARNING, Tag.PRODUCT_EXCEPTION_RAISED + " " + ServerUserThrowable.getMessage(finalThrowable)); ServerLogger.getLogger().log(Level.WARNING, Tag.PRODUCT_EXCEPTION_RAISED + " " + ExceptionUtils.getStackTrace(finalThrowable)); } catch (Exception e1) { e1.printStackTrace(); e1.printStackTrace(System.out); } } }
From source file:org.kie.jbpm.designer.server.StencilSetExtensionGeneratorServlet.java
/** * Request parameters are documented in//from w w w .j av a 2s. c o m * editor/test/examples/stencilset-extension-generator.xhtml * The parameter 'csvFile' is always required. * An example CSV file can be found in * editor/test/examples/design-thinking-example-data.csv * which has been exported using OpenOffice.org from * editor/test/examples/design-thinking-example-data.ods */ protected void doPost(HttpServletRequest request, HttpServletResponse response) { this.request = request; this.response = response; this.baseUrl = Repository.getBaseUrl(request); this.repository = new Repository(baseUrl); // parameters and their default values String modelNamePrefix = "Generated Model using "; String stencilSetExtensionNamePrefix = StencilSetExtensionGenerator.DEFAULT_STENCIL_SET_EXTENSION_NAME_PREFIX; String baseStencilSetPath = StencilSetExtensionGenerator.DEFAULT_BASE_STENCIL_SET_PATH; String baseStencilSet = StencilSetExtensionGenerator.DEFAULT_BASE_STENCIL_SET; String baseStencil = StencilSetExtensionGenerator.DEFAULT_BASE_STENCIL; List<String> stencilSetExtensionUrls = new ArrayList<String>(); String[] columnPropertyMapping = null; String[] csvHeader = null; List<Map<String, String>> stencilPropertyMatrix = new ArrayList<Map<String, String>>(); String modelDescription = "The initial version of this model has been created by the Stencilset Extension Generator."; String additionalERDFContentForGeneratedModel = ""; String[] modelTags = null; // 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(); // Parse the request FileItemIterator iterator; try { iterator = upload.getItemIterator(request); while (iterator.hasNext()) { FileItemStream item = iterator.next(); String name = item.getFieldName(); InputStream stream = item.openStream(); if (item.isFormField()) { // ordinary form field String value = Streams.asString(stream); //System.out.println("Form field " + name + " with value " // + value + " detected."); if (name.equals("modelNamePrefix")) { modelNamePrefix = value; } else if (name.equals("stencilSetExtensionNamePrefix")) { stencilSetExtensionNamePrefix = value; } else if (name.equals("baseStencilSetPath")) { baseStencilSetPath = value; } else if (name.equals("baseStencilSet")) { baseStencilSet = value; } else if (name.equals("stencilSetExtension")) { stencilSetExtensionUrls.add(value); } else if (name.equals("baseStencil")) { baseStencil = value; } else if (name.equals("columnPropertyMapping")) { columnPropertyMapping = value.split(","); } else if (name.equals("modelDescription")) { modelDescription = value; } else if (name.equals("modelTags")) { modelTags = value.split(","); } else if (name.equals("additionalERDFContentForGeneratedModel")) { additionalERDFContentForGeneratedModel = value; } } else { // file field //System.out.println("File field " + name + " with file name " // + item.getName() + " detected."); // Process the input stream if (name.equals("csvFile")) { CsvMapReader csvFileReader = new CsvMapReader(new InputStreamReader(stream, "UTF-8"), CsvPreference.EXCEL_PREFERENCE); csvHeader = csvFileReader.getCSVHeader(true); if (columnPropertyMapping != null || columnPropertyMapping.length > 0) { csvHeader = columnPropertyMapping; } Map<String, String> row; while ((row = csvFileReader.read(csvHeader)) != null) { stencilPropertyMatrix.add(row); } } } } // generate stencil set Date creationDate = new Date(System.currentTimeMillis()); DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss.SSS"); String stencilSetExtensionName = stencilSetExtensionNamePrefix + " " + dateFormat.format(creationDate); stencilSetExtensionUrls .add(StencilSetExtensionGenerator.generateStencilSetExtension(stencilSetExtensionName, stencilPropertyMatrix, columnPropertyMapping, baseStencilSet, baseStencil)); // generate new model String modelName = modelNamePrefix + stencilSetExtensionName; String model = repository.generateERDF(UUID.randomUUID().toString(), additionalERDFContentForGeneratedModel, baseStencilSetPath, baseStencilSet, stencilSetExtensionUrls, modelName, modelDescription); String modelUrl = baseUrl + repository.saveNewModel(model, modelName, modelDescription, baseStencilSet, baseStencilSetPath); // hack for reverse proxies: modelUrl = modelUrl.substring(modelUrl.lastIndexOf("http://")); // tag model if (modelTags != null) { for (String tagName : modelTags) { repository.addTag(modelUrl, tagName.trim()); } } // redirect client to editor with that newly generated model response.setHeader("Location", modelUrl); response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); } catch (FileUploadException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } else { // TODO Add some error message } }
From source file:org.kimios.controller.UploadManager.java
private String startUploadFile(HttpServletRequest req) throws Exception { DiskFileItemFactory fp = new DiskFileItemFactory(); fp.setRepository(new File(ConfigurationManager.getValue(Config.DM_TMP_FILES_PATH))); ServletFileUpload sfu = new ServletFileUpload(fp); QProgressListener pp = new QProgressListener(uploads); sfu.setProgressListener(pp);/*from w w w .j av a 2 s . c om*/ String uploadId = ""; String name = ""; String sec = ""; String metaValues = ""; String docTypeUid = ""; String action = ""; String documentUid = ""; //used for import String newVersion = ""; boolean isSecurityInherited = false; long folderUid = 0; String mimeType = ""; String extension = ""; FileItemIterator t = sfu.getItemIterator(req); while (t.hasNext()) { FileItemStream st = t.next(); if (st.isFormField()) { String tmpVal = Streams.asString(st.openStream(), "UTF-8"); log.debug(st.getFieldName() + " --> " + tmpVal); if (st.getFieldName().equalsIgnoreCase("actionUpload")) { action = tmpVal; } if (st.getFieldName().equalsIgnoreCase("newVersion")) { newVersion = tmpVal; } if (st.getFieldName().equalsIgnoreCase("documentUid")) { documentUid = tmpVal; } if (st.getFieldName().equalsIgnoreCase("UPLOAD_ID")) { uploadId = tmpVal; pp.setUploadId(uploadId); } if (st.getFieldName().equalsIgnoreCase("name")) { name = tmpVal; } if (st.getFieldName().equalsIgnoreCase("sec")) { sec = StringEscapeUtils.unescapeHtml(tmpVal); } if (st.getFieldName().equalsIgnoreCase("documentTypeUid")) { docTypeUid = tmpVal; } if (st.getFieldName().equalsIgnoreCase("metaValues")) { metaValues = StringEscapeUtils.unescapeHtml(tmpVal); } if (st.getFieldName().equalsIgnoreCase("folderUid")) { folderUid = Long.parseLong(tmpVal); } if (st.getFieldName().equalsIgnoreCase("inheritedPermissions")) { isSecurityInherited = (tmpVal != null && tmpVal.equalsIgnoreCase("on")); } } else { InputStream in = st.openStream(); mimeType = st.getContentType(); extension = st.getName().substring(st.getName().lastIndexOf('.') + 1); int transferChunkSize = Integer.parseInt(ConfigurationManager.getValue(Config.DM_CHUNK_SIZE)); if (action.equalsIgnoreCase("AddDocument")) { Document d = new Document(); d.setCreationDate(Calendar.getInstance()); d.setExtension(extension); d.setFolderUid(folderUid); d.setCheckedOut(false); d.setMimeType(mimeType); d.setName(name); d.setOwner(""); d.setUid(-1); long docUid = documentController.createDocument(sessionUid, d, isSecurityInherited); if (!isSecurityInherited) { securityController.updateDMEntitySecurities(sessionUid, docUid, 3, false, DMEntitySecuritiesParser.parseFromJson(sec, docUid, 3)); } fileTransferController.uploadFileFirstVersion(sessionUid, docUid, in, false); long documentTypeUid = -1; try { documentTypeUid = Long.parseLong(docTypeUid); } catch (Exception e) { } if (documentTypeUid > 0) { Map<Meta, String> mMetasValues = DMEntitySecuritiesParser .parseMetasValuesFromJson(sessionUid, metaValues, documentVersionController); String xmlMeta = XMLGenerators.getMetaDatasDocumentXMLDescriptor(mMetasValues, "MM/dd/yyyy"); documentVersionController.updateDocumentVersion(sessionUid, docUid, documentTypeUid, xmlMeta); } } else { if (action.equalsIgnoreCase("Import")) { documentController.checkoutDocument(sessionUid, Long.parseLong(documentUid)); fileTransferController.uploadFileNewVersion(sessionUid, Long.parseLong(documentUid), in, false); documentController.checkinDocument(sessionUid, Long.parseLong(documentUid)); } else if (action.equalsIgnoreCase("UpdateCurrent")) { documentController.checkoutDocument(sessionUid, Long.parseLong(documentUid)); fileTransferController.uploadFileUpdateVersion(sessionUid, Long.parseLong(documentUid), in, false); documentController.checkinDocument(sessionUid, Long.parseLong(documentUid)); } } } } return "{success: true}"; }
From source file:org.kuali.kfs.sys.web.servlet.BatchFileUploadServlet.java
@Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { checkAuthorization(request);/*from w w w .j a v a2 s . co m*/ ServletFileUpload upload = new ServletFileUpload(); String destPath = null; String fileName = null; String tempDir = System.getProperty("java.io.tmpdir"); // Parse the request try { FileItemIterator iter = upload.getItemIterator(request); while (iter.hasNext()) { FileItemStream item = iter.next(); fileName = item.getName(); LOG.info("Processing Item: " + item.getFieldName()); if (item.isFormField()) { if (item.getFieldName().equals("uploadDir")) { Reader str = new InputStreamReader(item.openStream()); StringWriter sw = new StringWriter(); char buf[] = new char[100]; int len; while ((len = str.read(buf)) > 0) { sw.write(buf, 0, len); } destPath = sw.toString(); } } else { InputStream stream = item.openStream(); fileName = item.getName(); LOG.info("Uploading to Directory: " + tempDir); // Process the input stream FileOutputStream fos = new FileOutputStream(new File(tempDir, fileName)); BufferedOutputStream bos = new BufferedOutputStream(fos, 1024 * 1024); byte buf[] = new byte[10240]; int len; while ((len = stream.read(buf)) > 0) { bos.write(buf, 0, len); } bos.close(); stream.close(); } } LOG.info("Copying to Directory: " + destPath); if (!getBatchDirectories().contains(destPath)) { new File(tempDir, fileName).delete(); throw new RuntimeException("Illegal Attempt to upload to an unauthorized path: '" + destPath + "'"); } BufferedInputStream bis = new BufferedInputStream(new FileInputStream(new File(tempDir, fileName))); BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(destPath, fileName)), 1024 * 1024); byte buf[] = new byte[10240]; int len; while ((len = bis.read(buf)) > 0) { bos.write(buf, 0, len); } bos.close(); bis.close(); } catch (FileUploadException ex) { LOG.error("Problem Uploading file", ex); } if (fileName != null) { request.setAttribute("message", "Successfully uploaded " + fileName + " to " + destPath); } else { request.setAttribute("message", "Upload Failed"); } doGet(request, response); }
From source file:org.kuali.student.core.document.ui.server.upload.UploadServlet.java
@Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { UploadStatus status = new UploadStatus(); request.getSession().setAttribute(request.getParameter("uploadId"), status); try {/* w ww. j a v a2 s. c o m*/ ServletFileUpload upload = new ServletFileUpload(); upload.setProgressListener( new DocumentProgressListener(request.getParameter("uploadId"), request.getSession())); FileItemIterator iter = upload.getItemIterator(request); DocumentInfo info = new DocumentInfo(); boolean fileError = false; int currentItem = 0; while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); InputStream stream = item.openStream(); if (item.isFormField()) { String value = Streams.asString(stream); if (name.equals("documentDescription")) { RichTextInfo text = new RichTextInfo(); text.setPlain(value); info.setDescr(text); } } else { String fullFileName = item.getName(); if (fullFileName != null) { String filename = FilenameUtils.getName(fullFileName); FileStatus fileStatus = new FileStatus(); fileStatus.setFileName(filename); status.getFileStatusList().add(currentItem, fileStatus); DocumentBinaryInfo bInfo = new DocumentBinaryInfo(); ByteArrayOutputStream bytes = new ByteArrayOutputStream(); byte[] buffer = new byte[4096]; while (true) { int read = stream.read(buffer); if (read == -1) { break; } else { bytes.write(buffer, 0, read); fileStatus.setProgress(fileStatus.getProgress() + read); } } bytes.flush(); fileStatus.setStatus(FileTransferStatus.UPLOAD_FINISHED); bInfo.setBinary(new String(Base64.encodeBase64(bytes.toByteArray()))); info.setDocumentBinary(bInfo); info.setStateKey(DtoState.ACTIVE.toString()); info.setFileName(filename); int extSeperator = filename.lastIndexOf("."); info.setName(filename.substring(0, extSeperator)); //FIXME Probably temporary solution for type on document info String type = "documentType." + filename.substring(extSeperator + 1).toLowerCase(); info.setTypeKey(type); } else { //No file specified error status.setStatus(UploadTransferStatus.ERROR); } } if (info.getDescr() != null && info.getDocumentBinary() != null && info.getType() != null) { //FileStatus fileStatus = status.getFileStatusMap().get(info.getFileName()); FileStatus fileStatus = status.getFileStatusList().get(currentItem); try { DocumentInfo createdDoc = documentService.createDocument(info.getTypeKey(), "documentCategory.proposal", info, ContextUtils.getContextInfo()); fileStatus.setStatus(FileTransferStatus.COMMIT_FINISHED); if (createdDoc != null) { status.getCreatedDocIds().add(createdDoc.getId()); fileStatus.setDocId(createdDoc.getId()); } RefDocRelationInfo relationInfo = new RefDocRelationInfo(); relationInfo.setStateKey(DtoState.ACTIVE.toString()); relationInfo.setDescr(info.getDescr()); relationInfo.setRefObjectId(request.getParameter("referenceId")); relationInfo.setRefObjectTypeKey(request.getParameter("refObjectTypeKey")); relationInfo.setTitle(info.getFileName()); relationInfo.setDocumentId(createdDoc.getId()); relationInfo.setType(request.getParameter("refDocRelationTypeKey")); documentService.createRefDocRelation(relationInfo.getRefObjectTypeKey(), relationInfo.getRefObjectId(), relationInfo.getDocumentId(), relationInfo.getTypeKey(), relationInfo, ContextUtils.getContextInfo()); } catch (Exception e) { fileError = true; LOG.error("Exception occurred", e); fileStatus.setStatus(FileTransferStatus.ERROR); } info = new DocumentInfo(); currentItem++; } } if (fileError) { status.setStatus(UploadTransferStatus.ERROR); } else { status.setStatus(UploadTransferStatus.COMMIT_FINISHED); } } catch (Exception e) { status.setStatus(UploadTransferStatus.ERROR); LOG.error("Exception occurred", e); } }
From source file:org.kurento.repository.internal.http.RepositoryHttpServlet.java
private void uploadMultipart(HttpServletRequest req, HttpServletResponse resp, OutputStream repoItemOutputStrem) throws IOException { log.debug("Multipart detected"); ServletFileUpload upload = new ServletFileUpload(); try {/*w w w.j av a2 s . c o m*/ // 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); } }
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.//from ww w . j a v a2s. c o m * * @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.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 . j a v a2 s . co 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); }