List of usage examples for org.apache.commons.fileupload FileItemIterator hasNext
boolean hasNext() throws FileUploadException, IOException;
From source file:org.kie.jbpm.designer.server.StencilSetExtensionGeneratorServlet.java
/** * Request parameters are documented in/*from w w w .j a v 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 ww w . j a v 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);// w ww . j a va 2 s . c om 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 w w .ja 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 {/*from ww w . j ava 2 s. c om*/ // 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 www . jav 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 w w. j a va 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; 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);/*from w ww .java 2s . co m*/ } 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.java 2 s . com*/ * @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 ww . jav a 2 s . c o 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); } } }