List of usage examples for org.apache.commons.fileupload FileItemStream isFormField
boolean isFormField();
FileItem instance represents a simple form field. From source file:edu.umn.msi.tropix.webgui.server.UploadController.java
@ServiceMethod(secure = true) public ModelAndView handleRequest(final HttpServletRequest request, final HttpServletResponse response) throws Exception { LOG.debug("In UploadController.handleRequest"); //final String userId = securityProvider.getUserIdForSessionId(request.getParameter("sessionId")); //Preconditions.checkState(userId != null); final String userId = userSession.getGridId(); LOG.debug("Upload by user with id " + userId); String clientId = request.getParameter("clientId"); if (!StringUtils.hasText(clientId)) { clientId = UUID.randomUUID().toString(); }/* www . jav a2 s.co m*/ final String endStr = request.getParameter("end"); final String startStr = request.getParameter("start"); final String zipStr = request.getParameter("zip"); final String lastUploadStr = request.getParameter("lastUpload"); final boolean isZip = StringUtils.hasText("zip") ? Boolean.parseBoolean(zipStr) : false; final boolean lastUploads = StringUtils.hasText(lastUploadStr) ? Boolean.parseBoolean(lastUploadStr) : true; LOG.trace("Upload request with startStr " + startStr); final StringWriter rawJsonWriter = new StringWriter(); final JSONWriter jsonWriter = new JSONWriter(rawJsonWriter); final FileItemFactory factory = new DiskFileItemFactory(); final long requestLength = StringUtils.hasText(endStr) ? Long.parseLong(endStr) : request.getContentLength(); long bytesWritten = StringUtils.hasText(startStr) ? Long.parseLong(startStr) : 0L; final ServletFileUpload upload = new ServletFileUpload(factory); upload.setHeaderEncoding("UTF-8"); // Deal with international file names final FileItemIterator iter = upload.getItemIterator(request); // Setup message conditionalSampleComponent to track upload progress... final ProgressMessageSupplier supplier = new ProgressMessageSupplier(); supplier.setId(userId + "/" + clientId); supplier.setName("Upload File(s) to Web Application"); final ProgressTrackerImpl progressTracker = new ProgressTrackerImpl(); progressTracker.setUserGridId(userId); progressTracker.setCometPusher(cometPusher); progressTracker.setProgressMessageSupplier(supplier); jsonWriter.object(); jsonWriter.key("result"); jsonWriter.array(); while (iter.hasNext()) { final FileItemStream item = iter.next(); if (item.isFormField()) { continue; } File destination; InputStream inputStream = null; OutputStream outputStream = null; if (!isZip) { final String fileName = FilenameUtils.getName(item.getName()); // new File(item.getName()).getName(); LOG.debug("Handling upload of file with name " + fileName); final TempFileInfo info = tempFileStore.getTempFileInfo(fileName); recordJsonInfo(jsonWriter, info); destination = info.getTempLocation(); } else { destination = FILE_UTILS.createTempFile(); } try { inputStream = item.openStream(); outputStream = FILE_UTILS.getFileOutputStream(destination); bytesWritten += progressTrackingIoUtils.copy(inputStream, outputStream, bytesWritten, requestLength, progressTracker); if (isZip) { ZipUtilsFactory.getInstance().unzip(destination, new Function<String, File>() { public File apply(final String fileName) { final String cleanedUpFileName = FilenameUtils.getName(fileName); final TempFileInfo info = tempFileStore.getTempFileInfo(cleanedUpFileName); recordJsonInfo(jsonWriter, info); return info.getTempLocation(); } }); } } finally { IO_UTILS.closeQuietly(inputStream); IO_UTILS.closeQuietly(outputStream); if (isZip) { FILE_UTILS.deleteQuietly(destination); } } } if (lastUploads) { progressTracker.complete(); } jsonWriter.endArray(); jsonWriter.endObject(); // response.setStatus(200); final String json = rawJsonWriter.getBuffer().toString(); LOG.debug("Upload json response " + json); response.setContentType("text/html"); // GWT was attaching <pre> tag to result without this response.getOutputStream().println(json); return null; }
From source file:com.github.davidcarboni.encryptedfileupload.SizesTest.java
@Test public void testMaxSizeLimitUnknownContentLength() throws IOException, FileUploadException { final String request = "-----1234\r\n" + "Content-Disposition: form-data; name=\"file1\"; filename=\"foo1.tab\"\r\n" + "Content-Type: text/whatever\r\n" + "Content-Length: 10\r\n" + "\r\n" + "This is the content of the file\n" + "\r\n" + "-----1234\r\n" + "Content-Disposition: form-data; name=\"file2\"; filename=\"foo2.tab\"\r\n" + "Content-Type: text/whatever\r\n" + "\r\n" + "This is the content of the file\n" + "\r\n" + "-----1234--\r\n"; ServletFileUpload upload = new ServletFileUpload(new EncryptedFileItemFactory()); upload.setFileSizeMax(-1);//from www . j av a 2s .c om upload.setSizeMax(300); // the first item should be within the max size limit // set the read limit to 10 to simulate a "real" stream // otherwise the buffer would be immediately filled MockHttpServletRequest req = new MockHttpServletRequest(request.getBytes("US-ASCII"), CONTENT_TYPE); req.setContentLength(-1); req.setReadLimit(10); FileItemIterator it = upload.getItemIterator(req); assertTrue(it.hasNext()); FileItemStream item = it.next(); assertFalse(item.isFormField()); assertEquals("file1", item.getFieldName()); assertEquals("foo1.tab", item.getName()); { @SuppressWarnings("resource") // Streams.copy closes the input file InputStream stream = item.openStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); Streams.copy(stream, baos, true); } // the second item is over the size max, thus we expect an error try { // the header is still within size max -> this shall still succeed assertTrue(it.hasNext()); } catch (Exception e) { // FileUploadBase.SizeException has protected access: if (e.getClass().getSimpleName().equals("SizeException")) { fail(); } else { throw e; } } item = it.next(); try { @SuppressWarnings("resource") // Streams.copy closes the input file InputStream stream = item.openStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); Streams.copy(stream, baos, true); fail(); } catch (FileUploadIOException e) { // expected } }
From source file:com.artgameweekend.projects.art.web.TagUploadServlet.java
@Override public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { try {//from ww w .j a v a 2s . c om // Create a new file upload handler ServletFileUpload upload = new ServletFileUpload(); upload.setSizeMax(500000); res.setContentType(Constants.CONTENT_TYPE_TEXT); PrintWriter out = res.getWriter(); byte[] image = null; Tag tag = new Tag(); TagImage tagImage = new TagImage(); TagThumbnail tagThumbnail = new TagThumbnail(); String contentType = null; boolean bLandscape = false; try { FileItemIterator iterator = upload.getItemIterator(req); while (iterator.hasNext()) { FileItemStream item = iterator.next(); InputStream in = item.openStream(); if (item.isFormField()) { out.println("Got a form field: " + item.getFieldName()); if (Constants.PARAMATER_NAME.equals(item.getFieldName())) { tag.setName(IOUtils.toString(in)); } if (Constants.PARAMATER_LAT.equals(item.getFieldName())) { tag.setLat(Double.parseDouble(IOUtils.toString(in))); } if (Constants.PARAMATER_LON.equals(item.getFieldName())) { tag.setLon(Double.parseDouble(IOUtils.toString(in))); } if (Constants.PARAMATER_LANDSCAPE.equals(item.getFieldName())) { bLandscape = IOUtils.toString(in).equals("on"); } } else { String fieldName = item.getFieldName(); String fileName = item.getName(); contentType = item.getContentType(); out.println("--------------"); out.println("fileName = " + fileName); out.println("field name = " + fieldName); out.println("contentType = " + contentType); try { image = IOUtils.toByteArray(in); } finally { IOUtils.closeQuietly(in); } } } } catch (SizeLimitExceededException e) { out.println("You exceeded the maximum size (" + e.getPermittedSize() + ") of the file (" + e.getActualSize() + ")"); } contentType = (contentType != null) ? contentType : "image/jpeg"; if (bLandscape) { image = rotate(image); } tagImage.setImage(image); tagImage.setContentType(contentType); tagThumbnail.setImage(createThumbnail(image)); tagThumbnail.setContentType(contentType); TagImageDAO daoImage = new TagImageDAO(); daoImage.create(tagImage); TagThumbnailDAO daoThumbnail = new TagThumbnailDAO(); daoThumbnail.create(tagThumbnail); TagDAO dao = new TagDAO(); tag.setKeyImage(tagImage.getKey()); tag.setKeyThumbnail(tagThumbnail.getKey()); tag.setDate(new Date().getTime()); dao.create(tag); } catch (Exception ex) { throw new ServletException(ex); } }
From source file:com.smartgwt.extensions.fileuploader.server.ProjectServlet.java
private void processFiles(HttpServletRequest request, HttpServletResponse response) { HashMap<String, String> args = new HashMap<String, String>(); boolean isGWT = true; try {//from w w w . jav a 2 s. c om if (log.isDebugEnabled()) log.debug(request.getParameterMap()); ServletFileUpload upload = new ServletFileUpload(); FileItemIterator iter = upload.getItemIterator(request); // pick up parameters first and note actual FileItem while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); if (item.isFormField()) { args.put(name, Streams.asString(item.openStream())); } else { args.put("contentType", item.getContentType()); String fileName = item.getName(); int slash = fileName.lastIndexOf("/"); if (slash < 0) slash = fileName.lastIndexOf("\\"); if (slash > 0) fileName = fileName.substring(slash + 1); args.put("fileName", fileName); // upload requests can come from smartGWT (args) or // FCKEditor (request) String contextName = args.get("context"); String model = args.get("model"); String path = args.get("path"); if (contextName == null) { isGWT = false; contextName = request.getParameter("context"); model = request.getParameter("model"); path = request.getParameter("path"); if (log.isDebugEnabled()) log.debug("query=" + request.getQueryString()); } else if (log.isDebugEnabled()) log.debug(args); // the following code stores the file based on your parameters /* ProjectContext context = ContextService.get().getContext( contextName); ProjectState state = (ProjectState) request.getSession() .getAttribute(contextName); InputStream in = null; try { in = item.openStream(); state.getFileManager().storeFile( context.getModel(model), path + fileName, in); } catch (Exception e) { e.printStackTrace(); log.error("Fail to upload " + fileName + " to " + path); } finally { if (in != null) try { in.close(); } catch (Exception e) { } } */ } } // TODO: need to handle conversion options and error reporting response.setContentType("text/html"); response.setHeader("Pragma", "No-cache"); response.setDateHeader("Expires", 0); response.setHeader("Cache-Control", "no-cache"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<body>"); if (isGWT) { out.println("<script type=\"text/javascript\">"); out.println("if (parent.uploadComplete) parent.uploadComplete('" + args.get("fileName") + "');"); out.println("</script>"); } else out.println(getEditorResponse()); out.println("</body>"); out.println("</html>"); out.flush(); } catch (Exception e) { System.out.println(e.getMessage()); } }
From source file:edu.ucla.loni.pipeline.server.Upload.Uploaders.FileUploadServlet.java
/** * Determines XML Data type and stores file on server. * /*from w w w .j ava2 s. c om*/ * @param item * @param respBuilder */ private void handleUploadedFile(FileItemStream item, ResponseBuilder respBuilder) { try { // process only file upload - discard other form item types if (item.isFormField()) { return; } // Validate DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); Document document = dBuilder.parse(item.openStream()); // Normalize document.getDocumentElement().normalize(); // Determine Root Tag String rootTag = document.getDocumentElement().getNodeName(); if (rootTag.equalsIgnoreCase("LONIConfigurationData")) { // Write to Blobstore DatastoreUtils.writeXMLFileToBlobStore(document, xmlConfigurationKey, respBuilder); // reset respBuilder (no need to have verbose messages because // upload was successful) respBuilder.resetRespMessage(); respBuilder.appendRespMessage("LONI Configuration Data was uploaded successfully."); } else if (rootTag.equalsIgnoreCase("LONIResourceData")) { // Write to Blobstore DatastoreUtils.writeXMLFileToBlobStore(document, xmlResourceKey, respBuilder); // reset respBuilder (no need to have verbose messages because // upload was successful) respBuilder.resetRespMessage(); respBuilder.appendRespMessage("LONI Resource Data was uploaded successfully."); } else { respBuilder.appendRespMessage("ERROR: Please upload either LONI Configuration or Resource Data."); } } catch (ParserConfigurationException e) { respBuilder.appendRespMessage("ERROR: File uploaded is not a valid XML file. Please try again."); } catch (SAXException e) { respBuilder.appendRespMessage("ERROR: File uploaded is not a valid XML file. Please try again."); } catch (IOException e) { respBuilder.appendRespMessage("ERROR: Could not parse file. Please upload a text-based XML file."); } }
From source file:foo.domaintest.http.HttpApiModule.java
@Provides @Singleton// w ww . j a v a2s.c o m Multimap<String, String> provideParameterMap(@RequestData("queryString") String queryString, @RequestData("postBody") Lazy<String> lazyPostBody, @RequestData("charset") String requestCharset, FileItemIterator multipartIterator) { // Calling request.getParameter() or request.getParameterMap() etc. consumes the POST body. If // we got the "postpayload" param we don't want to parse the body, so use only the query params. // Note that specifying both "payload" and "postpayload" will result in the "payload" param // being honored and the POST body being completely ignored. ImmutableMultimap.Builder<String, String> params = new ImmutableMultimap.Builder<>(); Multimap<String, String> getParams = parseQuery(queryString); params.putAll(getParams); if (getParams.containsKey("postpayload")) { // Treat the POST body as if it was the "payload" param. return params.put("payload", nullToEmpty(lazyPostBody.get())).build(); } // No "postpayload" so it's safe to consume the POST body and look for params there. if (multipartIterator == null) { // Handle GETs and form-urlencoded POST requests. params.putAll(parseQuery(nullToEmpty(lazyPostBody.get()))); } else { // Handle multipart/form-data requests. try { while (multipartIterator != null && multipartIterator.hasNext()) { FileItemStream item = multipartIterator.next(); try (InputStream stream = item.openStream()) { params.put(item.isFormField() ? item.getFieldName() : item.getName(), CharStreams.toString(new InputStreamReader(stream, requestCharset))); } } } catch (FileUploadException | IOException e) { // Ignore the failure and fall through to return whatever params we managed to parse. } } return params.build(); }
From source file:com.google.dotorg.translation_workflow.servlet.UploadServlet.java
@Override public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, MalformedURLException { String rawProjectId = request.getParameter("projectId"); try {// ww w.java2 s.co m ServletFileUpload upload = new ServletFileUpload(); upload.setSizeMax(1048576); UserService userService = UserServiceFactory.getUserService(); User user = userService.getCurrentUser(); Cloud cloud = Cloud.open(); int projectId = Integer.parseInt(rawProjectId); Project project = cloud.getProjectById(projectId); TextValidator nameValidator = TextValidator.BRIEF_STRING; String invalidRows = ""; int validRows = 0; try { FileItemIterator iterator = upload.getItemIterator(request); int articlesLength = 0; while (iterator.hasNext()) { FileItemStream item = iterator.next(); InputStream in = item.openStream(); if (item.isFormField()) { } else { String fieldName = item.getFieldName(); String fileName = item.getName(); String contentType = item.getContentType(); String fileContents = null; if (!contentType.equalsIgnoreCase("text/csv")) { logger.warning("Invalid filetype upload " + contentType); response.sendRedirect( "/project_overview?project=" + rawProjectId + "&msg=invalid_type"); } try { fileContents = IOUtils.toString(in); PersistenceManager pm = cloud.getPersistenceManager(); Transaction tx = pm.currentTransaction(); tx.begin(); String[] lines = fileContents.split("\n"); List<Translation> newTranslations = new ArrayList<Translation>(); articlesLength = lines.length; validRows = articlesLength; int lineNo = 0; for (String line : lines) { lineNo++; line = line.replaceAll("\",", "\";"); line = line.replaceAll("\"", ""); String[] fields = line.split(";"); String articleName = fields[0].replace("_", " "); articleName = nameValidator.filter(URLDecoder.decode(articleName)); try { URL url = new URL(fields[1]); String category = ""; String difficulty = ""; if (fields.length > 2) { category = nameValidator.filter(fields[2]); } if (fields.length > 3) { difficulty = nameValidator.filter(fields[3]); } Translation translation = project.createTranslation(articleName, url.toString(), category, difficulty); newTranslations.add(translation); } catch (MalformedURLException e) { validRows--; invalidRows = invalidRows + "," + lineNo; logger.warning("Invalid URL : " + fields[1]); } } pm.makePersistentAll(newTranslations); tx.commit(); } finally { IOUtils.closeQuietly(in); } } } cloud.close(); logger.info(validRows + " of " + articlesLength + " articles uploaded from csv to the project " + project.getId() + " by User :" + user.getUserId()); if (invalidRows.length() > 0) { response.sendRedirect( "/project_overview?project=" + rawProjectId + "&_invalid=" + invalidRows.substring(1)); } else { response.sendRedirect("/project_overview?project=" + rawProjectId); } /*response.sendRedirect("/project_overview?project=" + rawProjectId + "&_invalid=" + invalidRows.substring(1));*/ } catch (SizeLimitExceededException e) { logger.warning("Exceeded the maximum size (" + e.getPermittedSize() + ") of the file (" + e.getActualSize() + ")"); response.sendRedirect("/project_overview?project=" + rawProjectId + "&msg=size_exceeded"); } } catch (Exception ex) { logger.info("String " + ex.toString()); throw new ServletException(ex); } }
From source file:com.priocept.jcr.server.UploadServlet.java
private void processFiles(HttpServletRequest request, HttpServletResponse response) { HashMap<String, String> args = new HashMap<String, String>(); try {/*from ww w .j av a2 s. c o m*/ if (log.isDebugEnabled()) log.debug(request.getParameterMap()); ServletFileUpload upload = new ServletFileUpload(); FileItemIterator iter = upload.getItemIterator(request); // pick up parameters first and note actual FileItem while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); if (item.isFormField()) { args.put(name, Streams.asString(item.openStream())); } else { args.put("contentType", item.getContentType()); String fileName = item.getName(); int slash = fileName.lastIndexOf("/"); if (slash < 0) slash = fileName.lastIndexOf("\\"); if (slash > 0) fileName = fileName.substring(slash + 1); args.put("fileName", fileName); if (log.isDebugEnabled()) log.debug(args); InputStream in = null; try { in = item.openStream(); writeToFile(request.getSession().getId() + "/" + fileName, in, true, request.getSession().getServletContext().getRealPath("/")); } catch (Exception e) { // e.printStackTrace(); log.error("Fail to upload " + fileName); response.setContentType("text/html"); response.setHeader("Pragma", "No-cache"); response.setDateHeader("Expires", 0); response.setHeader("Cache-Control", "no-cache"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<body>"); out.println("<script type=\"text/javascript\">"); out.println("if (parent.uploadFailed) parent.uploadFailed('" + e.getLocalizedMessage().replaceAll("\'|\"", "") + "');"); out.println("</script>"); out.println("</body>"); out.println("</html>"); out.flush(); return; } finally { if (in != null) try { in.close(); } catch (Exception e) { } } } } response.setContentType("text/html"); response.setHeader("Pragma", "No-cache"); response.setDateHeader("Expires", 0); response.setHeader("Cache-Control", "no-cache"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<body>"); out.println("<script type=\"text/javascript\">"); out.println("if (parent.uploadComplete) parent.uploadComplete('" + args.get("fileName") + "');"); out.println("</script>"); out.println("</body>"); out.println("</html>"); out.flush(); } catch (Exception e) { System.out.println(e.getMessage()); } }
From source file:com.sifiso.dvs.util.DocFileUtil.java
public ResponseDTO downloadPDF(HttpServletRequest request, PlatformUtil platformUtil) throws FileUploadException { logger.log(Level.INFO, "######### starting PDF DOWNLOAD process\n\n"); ResponseDTO resp = new ResponseDTO(); InputStream stream = null;//ww w . j av a 2 s . com File rootDir; try { rootDir = dvsProperties.getDocumentDir(); logger.log(Level.INFO, "rootDir - {0}", rootDir.getAbsolutePath()); if (!rootDir.exists()) { rootDir.mkdir(); } } catch (Exception ex) { logger.log(Level.SEVERE, "Properties file problem", ex); resp.setMessage("Server file unavailable. Please try later"); resp.setStatusCode(114); return resp; } PatientfileDTO dto = null; Gson gson = new Gson(); File clientDir = null, surgeryDir = null, doctorDir = null; try { ServletFileUpload upload = new ServletFileUpload(); FileItemIterator iter = upload.getItemIterator(request); while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); stream = item.openStream(); if (item.isFormField()) { if (name.equalsIgnoreCase("JSON")) { String json = Streams.asString(stream); if (json != null) { logger.log(Level.INFO, "picture with associated json: {0}", json); dto = gson.fromJson(json, PatientfileDTO.class); if (dto != null) { surgeryDir = createSurgeryFileDirectory(rootDir, surgeryDir, dto.getDoctor().getSurgeryID()); if (dto.getDoctorID() != null) { doctorDir = createDoctorDirectory(surgeryDir, doctorDir, dto.getDoctorID()); if (dto.getClientID() != null) { clientDir = createClientDirectory(doctorDir, clientDir); } } } } else { logger.log(Level.WARNING, "JSON input seems pretty fucked up! is NULL.."); } } } else { File imageFile = null; if (dto == null) { continue; } DateTime dt = new DateTime(); String fileName = ""; if (dto.getClientID() != null) { fileName = "client" + dto.getClientID() + ".pdf"; } imageFile = new File(clientDir, fileName); writeFile(stream, imageFile); resp.setStatusCode(0); resp.setMessage("Photo downloaded from mobile app "); //add database System.out.println("filepath: " + imageFile.getAbsolutePath()); } } } catch (FileUploadException | IOException | JsonSyntaxException ex) { logger.log(Level.SEVERE, "Servlet failed on IOException, images NOT uploaded", ex); throw new FileUploadException(); } return resp; }
From source file:de.egore911.reader.servlets.OpmlImportServlet.java
@Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { User user = getUserOrRedirect(resp); if (user == null) { return;/*from w w w . jav a2s. c o m*/ } boolean success = false; String reason = null; ServletFileUpload upload = new ServletFileUpload(); CategoryDao categoryDao = new CategoryDao(); FeedUserDao feedUserDao = new FeedUserDao(); FeedDao feedDao = new FeedDao(); try { FileItemIterator iter = upload.getItemIterator(req); // Parse the request while (iter.hasNext()) { FileItemStream item = iter.next(); String name = item.getFieldName(); if ("subscriptions".equals(name) && !item.isFormField() && "text/xml".equals(item.getContentType())) { try (InputStream stream = item.openStream()) { DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); Document document = documentBuilder.parse(stream); document.getDocumentElement().normalize(); Element opml = document.getDocumentElement(); if (!"opml".equals(opml.getTagName())) { throw new ServletException("Invalid XML"); } NodeList nodes = opml.getChildNodes(); for (int i = 0; i < nodes.getLength(); i++) { Node node = nodes.item(i); if (node.getNodeType() == Node.ELEMENT_NODE) { Element element = (Element) node; if ("body".equals(element.getTagName())) { if (countFeeds(element.getChildNodes()) < 20) { importRecursive(categoryDao, feedUserDao, feedDao, user, Category.ROOT, element.getChildNodes()); success = true; } else { reason = "to_many_feeds"; } } } } } catch (ParserConfigurationException | SAXException e) { throw new ServletException(e.getMessage(), e); } } } } catch (FileUploadException e) { throw new ServletException(e.getMessage(), e); } if (success) { resp.sendRedirect("/reader"); } else { String redirectTo = "/import?msg=import_failed"; if (reason != null) { redirectTo += "&reason=" + reason; } resp.sendRedirect(redirectTo); } }