List of usage examples for javax.servlet ServletOutputStream close
public void close() throws IOException
From source file:com.arcadian.loginservlet.CourseContentServlet.java
@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (request.getParameter("filename") != null) { String fileName = request.getParameter("filename"); File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName); System.out.println("File location on server::" + file.getAbsolutePath()); ServletContext ctx = getServletContext(); InputStream fis = new FileInputStream(file); String mimeType = ctx.getMimeType(file.getAbsolutePath()); System.out.println("mime type=" + mimeType); response.setContentType(mimeType != null ? mimeType : "application/octet-stream"); response.setContentLength((int) file.length()); response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\""); ServletOutputStream os = response.getOutputStream(); byte[] bufferData = new byte[102400]; int read = 0; while ((read = fis.read(bufferData)) != -1) { os.write(bufferData, 0, read); }//from w w w. j av a 2 s.c om os.flush(); os.close(); fis.close(); System.out.println("File downloaded at client successfully"); } processRequest(request, response); }
From source file:ShowFile.java
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletOutputStream out = response.getOutputStream(); String fileName = request.getParameter("file"); out.println("<html>"); out.println("<head>"); out.println("<title>Welcome</title>"); out.println("</head>"); out.println("<body>"); out.println("<h2>The File</h2>"); out.println(fileName);// ww w . ja v a 2 s.c o m out.println("</body>"); out.println("</html>"); out.close(); }
From source file:pivotal.au.se.gemfirexdweb.controller.CreateGatewaySenderController.java
@RequestMapping(value = "/creategatewaysender", method = RequestMethod.POST) public String createGatewaySenderAction( @ModelAttribute("gatewaySenderAttribute") NewGatewaySender gatewaySenderAttribute, Model model, HttpServletResponse response, HttpServletRequest request, HttpSession session) throws Exception { if (session.getAttribute("user_key") == null) { logger.debug("user_key is null new Login required"); response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else {/*from www . j a v a 2 s .c o m*/ Connection conn = AdminUtil.getConnection((String) session.getAttribute("user_key")); if (conn == null) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else { if (conn.isClosed()) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } } } logger.debug("Received request to action an event for create Gateway Sender"); DiskStoreDAO dsDAO = GemFireXDWebDAOFactory.getDiskStoreDAO(); List<DiskStore> dsks = dsDAO.retrieveDiskStoreForCreateList((String) session.getAttribute("user_key")); model.addAttribute("diskstores", dsks); String gatewaySenderName = gatewaySenderAttribute.getGatewaySenderName(); logger.debug("New Gateway Sender Name = " + gatewaySenderName); // perform some action here with what we have String submit = request.getParameter("pSubmit"); boolean needCloseBracket = false; if (submit != null) { // build create HDFS Store SQL StringBuffer createGatewaySender = new StringBuffer(); createGatewaySender.append("CREATE GATEWAYSENDER " + gatewaySenderName + " (\n"); createGatewaySender.append("REMOTEDSID " + gatewaySenderAttribute.getRemoteSID() + " \n"); if (!checkIfParameterEmpty(request, "socketBufferSize")) { createGatewaySender .append("SOCKETBUFFERSIZE " + gatewaySenderAttribute.getSocketBufferSize() + " \n"); } if (!checkIfParameterEmpty(request, "socketReadTimeout")) { createGatewaySender .append("SOCKETREADTIMEOUT " + gatewaySenderAttribute.getSocketReadTimeout() + " \n"); } if (!checkIfParameterEmpty(request, "manualStart")) { createGatewaySender.append("MANUALSTART " + gatewaySenderAttribute.getManualStart() + " \n"); } if (!checkIfParameterEmpty(request, "enableBatchConflation")) { createGatewaySender.append( "ENABLEBATCHCONFLATION " + gatewaySenderAttribute.getEnableBatchConflation() + " \n"); } if (!checkIfParameterEmpty(request, "batchSize")) { createGatewaySender.append("BATCHSIZE " + gatewaySenderAttribute.getBatchSize() + " \n"); } if (!checkIfParameterEmpty(request, "batchTimeInterval")) { createGatewaySender .append("BATCHTIMEINTERVAL " + gatewaySenderAttribute.getBatchTimeInterval() + " \n"); } if (!checkIfParameterEmpty(request, "enablePersistence")) { createGatewaySender .append("ENABLEPERSISTENCE " + gatewaySenderAttribute.getEnablePersistence() + " \n"); if (gatewaySenderAttribute.getEnablePersistence().equals("TRUE")) { if (!checkIfParameterEmpty(request, "diskStore")) { createGatewaySender .append("DISKSTORENAME " + gatewaySenderAttribute.getDiskStore() + " \n"); } } } if (!checkIfParameterEmpty(request, "maxQueueMemory")) { createGatewaySender.append("MAXQUEUEMEMORY " + gatewaySenderAttribute.getMaxQueueMemory() + " \n"); } if (!checkIfParameterEmpty(request, "alertThreshold")) { createGatewaySender.append("ALERTTHRESHOLD " + gatewaySenderAttribute.getAlertThreshold() + " \n"); } createGatewaySender.append(") \n"); if (!checkIfParameterEmpty(request, "serverGroups")) { createGatewaySender.append("SERVER GROUPS (" + gatewaySenderAttribute.getServerGroups() + ") \n"); } if (submit.equalsIgnoreCase("create")) { Result result = new Result(); logger.debug("Creating gateway sender as -> " + createGatewaySender.toString()); result = GemFireXDWebDAOUtil.runCommand(createGatewaySender.toString(), (String) session.getAttribute("user_key")); model.addAttribute("result", result); } else if (submit.equalsIgnoreCase("Show SQL")) { logger.debug("Create Gateway Sender SQL as follows as -> " + createGatewaySender.toString()); model.addAttribute("sql", createGatewaySender.toString()); } else if (submit.equalsIgnoreCase("Save to File")) { response.setContentType(SAVE_CONTENT_TYPE); response.setHeader("Content-Disposition", "attachment; filename=" + String.format(FILENAME, gatewaySenderName)); ServletOutputStream out = response.getOutputStream(); out.println(createGatewaySender.toString()); out.close(); return null; } } // This will resolve to /WEB-INF/jsp/create-gatewaysender.jsp return "create-gatewaysender"; }
From source file:pivotal.au.se.gemfirexdweb.controller.CreateHDFSStoreController.java
@RequestMapping(value = "/createhdfsstore", method = RequestMethod.POST) public String createHDFSStoreAction(@ModelAttribute("hdfsStoreAttribute") NewHDFSStore hdfsStoreAttribute, Model model, HttpServletResponse response, HttpServletRequest request, HttpSession session) throws Exception { if (session.getAttribute("user_key") == null) { logger.debug("user_key is null new Login required"); response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else {//from w w w . ja v a 2 s . c o m Connection conn = AdminUtil.getConnection((String) session.getAttribute("user_key")); if (conn == null) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else { if (conn.isClosed()) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } } } logger.debug("Received request to action an event for create HDFS Store"); String storeName = hdfsStoreAttribute.getStoreName(); String nameNode = hdfsStoreAttribute.getNameNode(); String homeDir = hdfsStoreAttribute.getHomeDir(); logger.debug("New HDFS Store Name = " + storeName); // perform some action here with what we have String submit = request.getParameter("pSubmit"); if (submit != null) { // build create HDFS Store SQL StringBuffer createHDFSStore = new StringBuffer(); createHDFSStore.append("create HDFSSTORE " + storeName + " \n"); createHDFSStore.append("NAMENODE '" + nameNode + "' \n"); createHDFSStore.append("HOMEDIR '" + homeDir + "' \n"); if (!checkIfParameterEmpty(request, "batchSize")) { createHDFSStore.append("BatchSize " + hdfsStoreAttribute.getBatchSize() + " \n"); } if (!checkIfParameterEmpty(request, "batchTimeInterval")) { createHDFSStore.append("BatchTimeInterval " + hdfsStoreAttribute.getBatchTimeInterval() + " \n"); } if (!checkIfParameterEmpty(request, "maxQueueMemory")) { createHDFSStore.append("MaxQueueMemory " + hdfsStoreAttribute.getMaxQueueMemory() + " \n"); } if (!checkIfParameterEmpty(request, "minorCompact")) { createHDFSStore.append("MinorCompact " + hdfsStoreAttribute.getMinorCompact() + " \n"); } if (!checkIfParameterEmpty(request, "maxInputFileSize")) { createHDFSStore.append("MaxInputFileSize " + hdfsStoreAttribute.getMaxInputFileSize() + " \n"); } if (!checkIfParameterEmpty(request, "minInputFileCount")) { createHDFSStore.append("MinInputFileCount " + hdfsStoreAttribute.getMinInputFileCount() + " \n"); } if (!checkIfParameterEmpty(request, "maxInputFileCount")) { createHDFSStore.append("MaxInputFileCount " + hdfsStoreAttribute.getMaxInputFileCount() + " \n"); } if (!checkIfParameterEmpty(request, "minorCompactionThreads")) { createHDFSStore .append("MinorCompactionThreads " + hdfsStoreAttribute.getMinorCompactionThreads() + " \n"); } if (!checkIfParameterEmpty(request, "majorCompact")) { createHDFSStore.append("MajorCompact " + hdfsStoreAttribute.getMajorCompact() + " \n"); } if (!checkIfParameterEmpty(request, "majorCompactionInterval")) { createHDFSStore.append( "MajorCompactionInterval " + hdfsStoreAttribute.getMajorCompactionInterval() + " \n"); } if (!checkIfParameterEmpty(request, "majorCompactionThreads")) { createHDFSStore .append("MajorCompactionThreads " + hdfsStoreAttribute.getMajorCompactionThreads() + " \n"); } if (!checkIfParameterEmpty(request, "maxWriteOnlyFileSize")) { createHDFSStore .append("MaxWriteOnlyFileSize " + hdfsStoreAttribute.getMaxWriteOnlyFileSize() + " \n"); } if (!checkIfParameterEmpty(request, "writeOnlyRolloverInterval")) { createHDFSStore.append("WriteOnlyFileRolloverInterval " + hdfsStoreAttribute.getWriteOnlyRolloverInterval() + " \n"); } if (!checkIfParameterEmpty(request, "additionalParams")) { createHDFSStore.append(hdfsStoreAttribute.getAdditionalParams()); } if (submit.equalsIgnoreCase("create")) { Result result = new Result(); logger.debug("Creating hdfs store as -> " + createHDFSStore.toString()); result = GemFireXDWebDAOUtil.runCommand(createHDFSStore.toString(), (String) session.getAttribute("user_key")); model.addAttribute("result", result); } else if (submit.equalsIgnoreCase("Show SQL")) { logger.debug("Create HDFS Store SQL as follows as -> " + createHDFSStore.toString()); model.addAttribute("sql", createHDFSStore.toString()); } else if (submit.equalsIgnoreCase("Save to File")) { response.setContentType(SAVE_CONTENT_TYPE); response.setHeader("Content-Disposition", "attachment; filename=" + String.format(FILENAME, storeName)); ServletOutputStream out = response.getOutputStream(); out.println(createHDFSStore.toString()); out.close(); return null; } } // This will resolve to /WEB-INF/jsp/create-table.jsp return "create-hdfsstore"; }
From source file:pivotal.au.se.gemfirexdweb.controller.CreateIndexController.java
@RequestMapping(value = "/createindex", method = RequestMethod.POST) public String createIndexAction(@ModelAttribute("indexAttribute") NewIndex indexAttribute, Model model, HttpServletResponse response, HttpServletRequest request, HttpSession session) throws Exception { if (session.getAttribute("user_key") == null) { logger.debug("user_key is null new Login required"); response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else {/*from w ww . j av a 2 s . c om*/ Connection conn = AdminUtil.getConnection((String) session.getAttribute("user_key")); if (conn == null) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } else { if (conn.isClosed()) { response.sendRedirect(request.getContextPath() + "/GemFireXD-Web/login"); return null; } } } logger.debug("Received request to action an event for create index"); String tabName = indexAttribute.getTableName(); String schema = indexAttribute.getSchemaName(); String unique = indexAttribute.getUnique(); String idxName = indexAttribute.getIndexName(); String submit = request.getParameter("pSubmit"); String[] selectedColumns = request.getParameterValues("selected_column[]"); String[] indexOrder = request.getParameterValues("idxOrder[]"); String[] position = request.getParameterValues("position[]"); logger.debug("selectedColumns = " + Arrays.toString(selectedColumns)); logger.debug("indexOrder = " + Arrays.toString(indexOrder)); logger.debug("position = " + Arrays.toString(position)); IndexDAO indexDAO = GemFireXDWebDAOFactory.getIndexDAO(); List<IndexColumn> columns = indexDAO.retrieveIndexColumns(schema, tabName, (String) session.getAttribute("user_key")); StringBuffer createIndex = new StringBuffer(); if (unique.equalsIgnoreCase("Y")) { createIndex.append("create unique index " + idxName + " on " + schema + "." + tabName + " "); } else { createIndex.append("create index " + idxName + " on " + schema + "." + tabName + " "); } createIndex.append("("); if (selectedColumns != null) { int i = 0; Map<String, IndexDefinition> cols = new HashMap<String, IndexDefinition>(); for (String column : selectedColumns) { String columnName = column.substring(0, column.indexOf("_")); String index = column.substring(column.indexOf("_") + 1); String pos = position[Integer.parseInt(index) - 1]; if (pos.trim().length() == 0) { pos = "" + i; } logger.debug("Column = " + columnName + ", indexOrder = " + indexOrder[Integer.parseInt(index) - 1] + ", position = " + pos); IndexDefinition idxDef = new IndexDefinition(columnName, indexOrder[Integer.parseInt(index) - 1]); cols.put("" + pos, idxDef); i++; } // sort map and create index now SortedSet<String> keys = new TreeSet<String>(cols.keySet()); int length = keys.size(); i = 0; for (String key : keys) { IndexDefinition idxDefTemp = cols.get(key); if (i == (length - 1)) { createIndex.append(idxDefTemp.getColumnName() + " " + idxDefTemp.getOrderType() + ")"); } else { createIndex.append(idxDefTemp.getColumnName() + " " + idxDefTemp.getOrderType() + ", "); } i++; } } if (!checkIfParameterEmpty(request, "caseSensitive")) { createIndex.append(" " + request.getParameter("caseSensitive") + "\n"); } if (submit.equalsIgnoreCase("create")) { Result result = new Result(); logger.debug("Creating index as -> " + createIndex.toString()); result = GemFireXDWebDAOUtil.runCommand(createIndex.toString(), (String) session.getAttribute("user_key")); model.addAttribute("result", result); model.addAttribute("tabName", tabName); model.addAttribute("tableSchemaName", schema); model.addAttribute("columns", columns); model.addAttribute("schema", schema); session.removeAttribute("numColumns"); } else if (submit.equalsIgnoreCase("Show SQL")) { logger.debug("Index SQL as follows as -> " + createIndex.toString()); model.addAttribute("sql", createIndex.toString()); model.addAttribute("tabName", tabName); model.addAttribute("tableSchemaName", schema); model.addAttribute("columns", columns); model.addAttribute("schema", schema); } else if (submit.equalsIgnoreCase("Save to File")) { response.setContentType(SAVE_CONTENT_TYPE); response.setHeader("Content-Disposition", "attachment; filename=" + String.format(FILENAME, idxName)); ServletOutputStream out = response.getOutputStream(); out.println(createIndex.toString()); out.close(); return null; } // This will resolve to /WEB-INF/jsp/create-index.jsp return "create-index"; }
From source file:com.arcadian.loginservlet.StudentAssignmentServlet.java
/** * Handles the HTTP/*from w w w .j a v a 2 s . c om*/ * <code>GET</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (request.getParameter("filename") != null) { String fileName = request.getParameter("filename"); File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName); System.out.println("File location on server::" + file.getAbsolutePath()); ServletContext ctx = getServletContext(); InputStream fis = new FileInputStream(file); String mimeType = ctx.getMimeType(file.getAbsolutePath()); System.out.println("mime type=" + mimeType); response.setContentType(mimeType != null ? mimeType : "application/octet-stream"); response.setContentLength((int) file.length()); response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\""); ServletOutputStream os = response.getOutputStream(); byte[] bufferData = new byte[102400]; int read = 0; while ((read = fis.read(bufferData)) != -1) { os.write(bufferData, 0, read); } os.flush(); os.close(); fis.close(); System.out.println("File downloaded at client successfully"); } processRequest(request, response); }
From source file:org.primeframework.mvc.action.result.StreamResult.java
/** * {@inheritDoc}/*from ww w. j a v a 2s .c om*/ */ public void execute(Stream stream) throws IOException, ServletException { ActionInvocation current = actionInvocationStore.getCurrent(); Object action = current.action; String property = stream.property(); String length = expand(stream.length(), action, false); String name = expand(stream.name(), action, true); String type = expand(stream.type(), action, false); Object object = expressionEvaluator.getValue(property, action); if (object == null || !(object instanceof InputStream)) { throw new PrimeException("Invalid property [" + property + "] for Stream result. This " + "property returned null or an Object that is not an InputStream."); } response.setContentType(type); if (StringUtils.isNotBlank(length)) { response.setContentLength(Integer.parseInt(length)); } if (StringUtils.isNotBlank(name)) { response.setHeader("Content-Disposition", "attachment; filename=\"" + name + "\""); } if (!isCurrentActionHeadRequest(current)) { InputStream is = (InputStream) object; ServletOutputStream sos = response.getOutputStream(); try { // Then output the file byte[] b = new byte[8192]; int len; while ((len = is.read(b)) != -1) { sos.write(b, 0, len); } } finally { sos.flush(); sos.close(); } } }
From source file:org.sakaiproject.kernel.rest.RestMySitesProvider.java
/** * @param response//from w ww.j a va 2 s .c o m * @param itemMap * @throws IOException */ private void sendOutput(HttpServletResponse response, Map<String, Object> itemMap) throws IOException { response.setContentType(RestProvider.CONTENT_TYPE); ServletOutputStream outputStream = response.getOutputStream(); outputStream.print(beanConverter.convertToString(itemMap)); outputStream.flush(); outputStream.close(); }
From source file:com.jaeksoft.searchlib.web.ServletTransaction.java
public void sendFile(File file, String filename, String contentType, boolean attach) throws SearchLibException { response.setContentType(contentType); if (attach)//from www . j a v a2s . com response.addHeader("Content-Disposition", "attachment; filename=" + filename); FileInputStream inputStream = null; try { inputStream = new FileInputStream(file); ServletOutputStream outputStream = getOutputStream(); IOUtils.copy(inputStream, outputStream); outputStream.close(); } catch (FileNotFoundException e) { throw new SearchLibException(e); } catch (IOException e) { throw new SearchLibException(e); } finally { IOUtils.close(inputStream); } }
From source file:org.wso2.carbon.reporting.ui.servlet.GraphGenerateServlet.java
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws Exception { String type = request.getParameter("reportType"); String typeSecond = request.getParameter("reportTypeSecond"); String dataSessionVar = request.getParameter("reportDataSession"); String component = request.getParameter("component"); String template = request.getParameter("template"); String generateType;//w w w. ja v a2 s.c o m String downloadFileName = null; if (type == null) { type = " "; } else { typeSecond = " "; } if (type.equals("pdf") || typeSecond.equals("pdf")) { generateType = "pdf"; response.setContentType("application/pdf"); downloadFileName = template + ".pdf"; } else if (type.equals("excel") || typeSecond.equals("excel")) { generateType = "excel"; response.setContentType("application/vnd.ms-excel"); downloadFileName = template + ".xsl"; } else if (type.equals("html") || typeSecond.equals("html")) { generateType = "html"; response.setContentType("text/html"); } else { throw new ReportingException("requested report type can not be support"); } if (downloadFileName != null) { response.setHeader("Content-Disposition", "attachment; filename=\"" + downloadFileName + "\""); } Object reportDataObject = request.getSession().getAttribute(dataSessionVar); if (reportDataObject == null) { throw new ReportingException("can't generate report , data unavailable in session "); } try { String serverURL = CarbonUIUtil.getServerURL(request.getSession().getServletContext(), request.getSession()); ConfigurationContext configurationContext = (ConfigurationContext) request.getSession() .getServletContext().getAttribute(CarbonConstants.CONFIGURATION_CONTEXT); String cookie = (String) request.getSession().getAttribute(ServerConstants.ADMIN_SERVICE_COOKIE); ReportResourceSupplierClient resourceSupplierClient = new ReportResourceSupplierClient(cookie, serverURL, configurationContext); String reportResource = resourceSupplierClient.getReportResources(component, template); JRDataSource jrDataSource = new BeanCollectionReportData().getReportDataSource(reportDataObject); JasperPrintProvider jasperPrintProvider = new JasperPrintProvider(); JasperPrint jasperPrint = jasperPrintProvider.createJasperPrint(jrDataSource, reportResource, new ReportParamMap[0]); request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint); ReportStream reportStream = new ReportStream(); ByteArrayOutputStream outputStream = reportStream.getReportStream(jasperPrint, generateType); ServletOutputStream servletOutputStream = response.getOutputStream(); try { outputStream.writeTo(servletOutputStream); outputStream.flush(); } finally { outputStream.close(); servletOutputStream.close(); } } catch (Exception e) { String msg = "Error occurred handling " + template + "report request from " + component; log(msg); throw e; } }