List of usage examples for javax.servlet ServletOutputStream write
public void write(byte b[], int off, int len) throws IOException
len bytes from the specified byte array starting at offset off to this output stream. From source file:com.ephesoft.gxt.foldermanager.server.UploadDownloadFilesServlet.java
private void downloadFile(HttpServletRequest req, HttpServletResponse response, String currentFileDownloadPath) { DataInputStream in = null;/* w ww .jav a2s . c om*/ ServletOutputStream outStream = null; try { outStream = response.getOutputStream(); File file = new File(currentFileDownloadPath); int length = 0; String mimetype = "application/octet-stream"; response.setContentType(mimetype); response.setContentLength((int) file.length()); String fileName = file.getName(); response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\""); byte[] byteBuffer = new byte[1024]; in = new DataInputStream(new FileInputStream(file)); while ((in != null) && ((length = in.read(byteBuffer)) != -1)) { outStream.write(byteBuffer, 0, length); } } catch (IOException e) { } finally { if (in != null) { try { in.close(); } catch (IOException e) { } } if (outStream != null) { try { outStream.flush(); } catch (IOException e) { } try { outStream.close(); } catch (IOException e) { } } } }
From source file:fr.insalyon.creatis.vip.datamanager.server.rpc.FileDownloadServiceImpl.java
@Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { User user = (User) req.getSession().getAttribute(CoreConstants.SESSION_USER); String operationId = req.getParameter("operationid"); if (user != null && operationId != null && !operationId.isEmpty()) { try {/* w w w . j a v a2 s. c om*/ GRIDAPoolClient client = CoreUtil.getGRIDAPoolClient(); Operation operation = client.getOperationById(operationId); File file = new File(operation.getDest()); if (file.isDirectory()) { file = new File(operation.getDest() + "/" + FilenameUtils.getName(operation.getSource())); } int length = 0; ServletOutputStream op = resp.getOutputStream(); ServletContext context = getServletConfig().getServletContext(); String mimetype = context.getMimeType(file.getName()); logger.info("(" + user.getEmail() + ") Downloading '" + file.getAbsolutePath() + "'."); resp.setContentType((mimetype != null) ? mimetype : "application/octet-stream"); resp.setContentLength((int) file.length()); resp.setHeader("Content-Disposition", "attachment; filename=\"" + file.getName() + "\""); byte[] bbuf = new byte[4096]; DataInputStream in = new DataInputStream(new FileInputStream(file)); while ((in != null) && ((length = in.read(bbuf)) != -1)) { op.write(bbuf, 0, length); } in.close(); op.flush(); op.close(); } catch (GRIDAClientException ex) { logger.error(ex); } } }
From source file:org.ff4j.console.controller.FeaturesController.java
/** * Build Http response when invoking export features. * /*from w w w . j ava 2 s . c o m*/ * @param res * http response * @throws IOException * error when building response */ private void opExportFile(FeatureStore store, HttpServletResponse res) throws IOException { Map<String, Feature> features = store.readAll(); InputStream in = new FeatureXmlParser().exportFeatures(features); ServletOutputStream sos = null; try { sos = res.getOutputStream(); res.setContentType("text/xml"); res.setHeader("Content-Disposition", "attachment; filename=\"ff4j.xml\""); // res.setContentLength() byte[] bbuf = new byte[4096]; int length = 0; while ((in != null) && (length != -1)) { length = in.read(bbuf); sos.write(bbuf, 0, length); } log.info(features.size() + " features have been exported."); } finally { if (in != null) { in.close(); } if (sos != null) { sos.flush(); sos.close(); } } }
From source file:io.apiman.gateway.platforms.servlet.GatewayServlet.java
/** * Generic handler for all types of http actions/verbs. * @param req/* ww w .jav a 2 s . co m*/ * @param resp * @param action */ protected void doAction(final HttpServletRequest req, final HttpServletResponse resp, String action) { try { ServiceRequest srequest = readRequest(req); srequest.setType(action); IServiceRequestExecutor executor = getEngine().executor(srequest, new IAsyncResultHandler<IEngineResult>() { @Override public void handle(IAsyncResult<IEngineResult> asyncResult) { if (asyncResult.isSuccess()) { IEngineResult engineResult = asyncResult.getResult(); if (engineResult.isResponse()) { try { writeResponse(resp, engineResult.getServiceResponse()); final ServletOutputStream outputStream = resp.getOutputStream(); engineResult.bodyHandler(new IAsyncHandler<IApimanBuffer>() { public void handle(IApimanBuffer chunk) { try { if (chunk instanceof ByteBuffer) { byte[] buffer = (byte[]) chunk.getNativeBuffer(); outputStream.write(buffer, 0, chunk.length()); } else { outputStream.write(chunk.getBytes()); } } catch (IOException e) { // This will get caught by the service connector, which will abort the // connection to the back-end service. throw new RuntimeException(e); } } }); engineResult.endHandler(new IAsyncHandler<Void>() { @Override public void handle(Void result) { try { resp.flushBuffer(); } catch (IOException e) { // This will get caught by the service connector, which will abort the // connection to the back-end service. throw new RuntimeException(e); } } }); } catch (IOException e) { // this would mean we couldn't get the output stream from the response, so we // need to abort the engine result (which will let the back-end connection // close down). engineResult.abort(); throw new RuntimeException(e); } } else { writeFailure(resp, engineResult.getPolicyFailure()); } } else { writeError(resp, asyncResult.getError()); } } }); executor.streamHandler(new IAsyncHandler<ISignalWriteStream>() { @Override public void handle(ISignalWriteStream connectorStream) { try { final InputStream is = req.getInputStream(); ByteBuffer buffer = new ByteBuffer(2048); int numBytes = buffer.readFrom(is); while (numBytes != -1) { connectorStream.write(buffer); numBytes = buffer.readFrom(is); } connectorStream.end(); } catch (IOException e) { connectorStream.abort(); throw new RuntimeException(e); } } }); executor.execute(); } catch (Throwable e) { writeError(resp, e); } finally { GatewayThreadContext.reset(); } }
From source file:com.portfolio.data.attachment.FileServlet.java
void RetrieveAnswer(HttpURLConnection connection, HttpServletResponse response, String referer) throws MalformedURLException, IOException { /// Receive answer InputStream in;/* w ww .j ava 2 s . c o m*/ try { in = connection.getInputStream(); } catch (Exception e) { System.out.println(e.toString()); in = connection.getErrorStream(); } InitAnswer(connection, response, referer); /// Write back data DataInputStream stream = new DataInputStream(in); byte[] buffer = new byte[1024]; int size; ServletOutputStream out = null; try { out = response.getOutputStream(); while ((size = stream.read(buffer, 0, buffer.length)) != -1) out.write(buffer, 0, size); } catch (Exception e) { System.out.println(e.toString()); System.out.println("Writing messed up!"); } finally { in.close(); out.flush(); // close() should flush already, but Tomcat 5.5 doesn't out.close(); } }
From source file:com.ephesoft.dcma.gwt.foldermanager.server.UploadDownloadFilesServlet.java
private void downloadFile(HttpServletResponse response, String currentFileDownloadPath) { LOG.info(DOWNLOADING_FILE_FROM_PATH + currentFileDownloadPath); DataInputStream inputStream = null; ServletOutputStream outStream = null; try {//from w w w .j av a 2 s .co m outStream = response.getOutputStream(); File file = new File(currentFileDownloadPath); int length = 0; String mimetype = APPLICATION_OCTET_STREAM; response.setContentType(mimetype); response.setContentLength((int) file.length()); String fileName = file.getName(); response.setHeader(CONTENT_DISPOSITION, ATTACHMENT_FILENAME + fileName + CLOSING_QUOTES); byte[] byteBuffer = new byte[1024]; inputStream = new DataInputStream(new FileInputStream(file)); length = inputStream.read(byteBuffer); while ((inputStream != null) && (length != -1)) { outStream.write(byteBuffer, 0, length); length = inputStream.read(byteBuffer); } LOG.info(DOWNLOAD_COMPLETED_FOR_FILEPATH + currentFileDownloadPath); } catch (IOException e) { LOG.error(EXCEPTION_OCCURED_WHILE_DOWNLOADING_A_FILE_FROM_THE_FILE_PATH + currentFileDownloadPath); LOG.error(e.getMessage()); } finally { if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { LOG.error(UNABLE_TO_CLOSE_INPUT_STREAM_FOR_FILE_DOWNLOAD); } } if (outStream != null) { try { outStream.flush(); } catch (IOException e) { LOG.error(UNABLE_TO_FLUSH_OUTPUT_STREAM_FOR_DOWNLOAD); } try { outStream.close(); } catch (IOException e) { LOG.error(UNABLE_TO_CLOSE_OUTPUT_STREAM_FOR_DOWNLOAD); } } } }
From source file:com.portfolio.data.attachment.XSLService.java
@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { /**/*from ww w.j a v a 2 s .co m*/ * Format demand: * <convert> * <portfolioid>{uuid}</portfolioid> * <portfolioid>{uuid}</portfolioid> * <nodeid>{uuid}</nodeid> * <nodeid>{uuid}</nodeid> * <documentid>{uuid}</documentid> * <xsl>{rpertoire}{fichier}</xsl> * <format>[pdf rtf xml ...]</format> * <parameters> * <maVar1>lala</maVar1> * ... * </parameters> * </convert> */ try { //On initialise le dataProvider Connection c = null; //On initialise le dataProvider if (ds == null) // Case where we can't deploy context.xml { c = getConnection(); } else { c = ds.getConnection(); } dataProvider.setConnection(c); credential = new Credential(c); } catch (Exception e) { e.printStackTrace(); } String origin = request.getRequestURL().toString(); /// Variable stuff int userId = 0; int groupId = 0; String user = ""; HttpSession session = request.getSession(true); if (session != null) { Integer val = (Integer) session.getAttribute("uid"); if (val != null) userId = val; val = (Integer) session.getAttribute("gid"); if (val != null) groupId = val; user = (String) session.getAttribute("user"); } /// TODO: A voire si un form get ne ferait pas l'affaire aussi /// On lis le xml /* BufferedReader rd = new BufferedReader(new InputStreamReader(request.getInputStream())); StringBuilder sb = new StringBuilder(); String line; while( (line = rd.readLine()) != null ) sb.append(line); DocumentBuilderFactory documentBuilderFactory =DocumentBuilderFactory.newInstance(); DocumentBuilder documentBuilder = null; Document doc=null; try { documentBuilder = documentBuilderFactory.newDocumentBuilder(); doc = documentBuilder.parse(new ByteArrayInputStream(sb.toString().getBytes("UTF-8"))); } catch( Exception e ) { e.printStackTrace(); } /// On lit les paramtres NodeList portfolioNode = doc.getElementsByTagName("portfolioid"); NodeList nodeNode = doc.getElementsByTagName("nodeid"); NodeList documentNode = doc.getElementsByTagName("documentid"); NodeList xslNode = doc.getElementsByTagName("xsl"); NodeList formatNode = doc.getElementsByTagName("format"); NodeList parametersNode = doc.getElementsByTagName("parameters"); //*/ // String xslfile = xslNode.item(0).getTextContent(); String xslfile = request.getParameter("xsl"); String format = request.getParameter("format"); // String format = formatNode.item(0).getTextContent(); String parameters = request.getParameter("parameters"); String documentid = request.getParameter("documentid"); String portfolios = request.getParameter("portfolioids"); String[] portfolioid = null; if (portfolios != null) portfolioid = portfolios.split(";"); String nodes = request.getParameter("nodeids"); String[] nodeid = null; if (nodes != null) nodeid = nodes.split(";"); System.out.println("PARAMETERS: "); System.out.println("xsl: " + xslfile); System.out.println("format: " + format); System.out.println("user: " + userId); System.out.println("portfolioids: " + portfolios); System.out.println("nodeids: " + nodes); System.out.println("parameters: " + parameters); boolean redirectDoc = false; if (documentid != null) { redirectDoc = true; System.out.println("documentid @ " + documentid); } boolean usefop = false; String ext = ""; if (MimeConstants.MIME_PDF.equals(format)) { usefop = true; ext = ".pdf"; } else if (MimeConstants.MIME_RTF.equals(format)) { usefop = true; ext = ".rtf"; } //// Paramtre portfolio-uuid et file-xsl // String uuid = request.getParameter("uuid"); // String xslfile = request.getParameter("xsl"); StringBuilder aggregate = new StringBuilder(); try { int portcount = 0; int nodecount = 0; // On aggrge les donnes if (portfolioid != null) { portcount = portfolioid.length; for (int i = 0; i < portfolioid.length; ++i) { String p = portfolioid[i]; String portfolioxml = dataProvider .getPortfolio(new MimeType("text/xml"), p, userId, groupId, "", null, null, 0) .toString(); aggregate.append(portfolioxml); } } if (nodeid != null) { nodecount = nodeid.length; for (int i = 0; i < nodeid.length; ++i) { String n = nodeid[i]; String nodexml = dataProvider.getNode(new MimeType("text/xml"), n, true, userId, groupId, "") .toString(); aggregate.append(nodexml); } } // Est-ce qu'on a eu besoin d'aggrger les donnes? String input = aggregate.toString(); String pattern = "<\\?xml[^>]*>"; // Purge previous xml declaration input = input.replaceAll(pattern, ""); input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<!DOCTYPE xsl:stylesheet [" + "<!ENTITY % lat1 PUBLIC \"-//W3C//ENTITIES Latin 1 for XHTML//EN\" \"" + servletDir + "xhtml-lat1.ent\">" + "<!ENTITY % symbol PUBLIC \"-//W3C//ENTITIES Symbols for XHTML//EN\" \"" + servletDir + "xhtml-symbol.ent\">" + "<!ENTITY % special PUBLIC \"-//W3C//ENTITIES Special for XHTML//EN\" \"" + servletDir + "xhtml-special.ent\">" + "%lat1;" + "%symbol;" + "%special;" + "]>" + // For the pesky special characters "<root>" + input + "</root>"; // System.out.println("INPUT WITH PROXY:"+ input); /// Rsolution des proxys DocumentBuilder documentBuilder; DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); documentBuilder = documentBuilderFactory.newDocumentBuilder(); InputSource is = new InputSource(new StringReader(input)); Document doc = documentBuilder.parse(is); /// Proxy stuff XPath xPath = XPathFactory.newInstance().newXPath(); String filterRes = "//asmResource[@xsi_type='Proxy']"; String filterCode = "./code/text()"; NodeList nodelist = (NodeList) xPath.compile(filterRes).evaluate(doc, XPathConstants.NODESET); XPathExpression codeFilter = xPath.compile(filterCode); for (int i = 0; i < nodelist.getLength(); ++i) { Node res = nodelist.item(i); Node gp = res.getParentNode(); // resource -> context -> container Node ggp = gp.getParentNode(); Node uuid = (Node) codeFilter.evaluate(res, XPathConstants.NODE); /// Fetch node we want to replace String returnValue = dataProvider .getNode(new MimeType("text/xml"), uuid.getTextContent(), true, userId, groupId, "") .toString(); Document rep = documentBuilder.parse(new InputSource(new StringReader(returnValue))); Element repNode = rep.getDocumentElement(); Node proxyNode = repNode.getFirstChild(); proxyNode = doc.importNode(proxyNode, true); // adoptNode have some weird side effect. To be banned // doc.replaceChild(proxyNode, gp); ggp.insertBefore(proxyNode, gp); // replaceChild doesn't work. ggp.removeChild(gp); } try // Convert XML document to string { DOMSource domSource = new DOMSource(doc); StringWriter writer = new StringWriter(); StreamResult result = new StreamResult(writer); TransformerFactory tf = TransformerFactory.newInstance(); Transformer transformer = tf.newTransformer(); transformer.transform(domSource, result); writer.flush(); input = writer.toString(); } catch (TransformerException ex) { ex.printStackTrace(); } // System.out.println("INPUT DATA:"+ input); // Setup a buffer to obtain the content length ByteArrayOutputStream stageout = new ByteArrayOutputStream(); ByteArrayOutputStream out = new ByteArrayOutputStream(); //// Setup Transformer (1st stage) /// Base path String basepath = xslfile.substring(0, xslfile.indexOf(File.separator)); String firstStage = baseDir + File.separator + basepath + File.separator + "karuta" + File.separator + "xsl" + File.separator + "html2xml.xsl"; System.out.println("FIRST: " + firstStage); Source xsltSrc1 = new StreamSource(new File(firstStage)); Transformer transformer1 = transFactory.newTransformer(xsltSrc1); StreamSource stageSource = new StreamSource(new ByteArrayInputStream(input.getBytes())); Result stageRes = new StreamResult(stageout); transformer1.transform(stageSource, stageRes); // Setup Transformer (2nd stage) String secondStage = baseDir + File.separator + xslfile; Source xsltSrc2 = new StreamSource(new File(secondStage)); Transformer transformer2 = transFactory.newTransformer(xsltSrc2); // Configure parameter from xml String[] table = parameters.split(";"); for (int i = 0; i < table.length; ++i) { String line = table[i]; int var = line.indexOf(":"); String par = line.substring(0, var); String val = line.substring(var + 1); transformer2.setParameter(par, val); } // Setup input StreamSource xmlSource = new StreamSource(new ByteArrayInputStream(stageout.toString().getBytes())); // StreamSource xmlSource = new StreamSource(new File(baseDir+origin, "projectteam.xml") ); Result res = null; if (usefop) { /// FIXME: Might need to include the entity for html stuff? //Setup FOP //Make sure the XSL transformation's result is piped through to FOP Fop fop = fopFactory.newFop(format, out); res = new SAXResult(fop.getDefaultHandler()); //Start the transformation and rendering process transformer2.transform(xmlSource, res); } else { res = new StreamResult(out); //Start the transformation and rendering process transformer2.transform(xmlSource, res); } if (redirectDoc) { // /resources/resource/file/{uuid}[?size=[S|L]&lang=[fr|en]] String urlTarget = "http://" + server + "/resources/resource/file/" + documentid; System.out.println("Redirect @ " + urlTarget); HttpClientBuilder clientbuilder = HttpClientBuilder.create(); CloseableHttpClient client = clientbuilder.build(); HttpPost post = new HttpPost(urlTarget); post.addHeader("referer", origin); String sessionid = request.getSession().getId(); System.out.println("Session: " + sessionid); post.addHeader("Cookie", "JSESSIONID=" + sessionid); MultipartEntityBuilder builder = MultipartEntityBuilder.create(); builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE); ByteArrayBody body = new ByteArrayBody(out.toByteArray(), "generated" + ext); builder.addPart("uploadfile", body); HttpEntity entity = builder.build(); post.setEntity(entity); HttpResponse ret = client.execute(post); String stringret = new BasicResponseHandler().handleResponse(ret); int code = ret.getStatusLine().getStatusCode(); response.setStatus(code); ServletOutputStream output = response.getOutputStream(); output.write(stringret.getBytes(), 0, stringret.length()); output.close(); client.close(); /* HttpURLConnection connection = CreateConnection( urlTarget, request ); /// Helping construct Json connection.setRequestProperty("referer", origin); /// Send post data ServletInputStream inputData = request.getInputStream(); DataOutputStream writer = new DataOutputStream(connection.getOutputStream()); byte[] buffer = new byte[1024]; int dataSize; while( (dataSize = inputData.read(buffer,0,buffer.length)) != -1 ) { writer.write(buffer, 0, dataSize); } inputData.close(); writer.close(); RetrieveAnswer(connection, response, origin); //*/ } else { response.reset(); response.setHeader("Content-Disposition", "attachment; filename=generated" + ext); response.setContentType(format); response.setContentLength(out.size()); response.getOutputStream().write(out.toByteArray()); response.getOutputStream().flush(); } } catch (Exception e) { String message = e.getMessage(); response.setStatus(500); response.getOutputStream().write(message.getBytes()); response.getOutputStream().close(); e.printStackTrace(); } finally { dataProvider.disconnect(); } }
From source file:ub.botiga.ServletDispatcher.java
private void controlProduct(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String location = request.getRequestURI(); String prod = URLDecoder.decode(location.split("/")[3], "UTF-8"); Product p = data.getProductes().get(prod); User u = (User) request.getSession().getAttribute("user"); if (u == null || p == null) { response.sendRedirect("/Botiga"); return;//from w ww.j a v a2 s . co m } if (!u.getProducts().containsKey(p.getName())) { showPage(request, response, "error403.jsp"); return; } ServletContext context = getServletContext(); String realpath = context.getRealPath("/WEB-INF/products" + p.getPath()); File file = new File(realpath); int length; ServletOutputStream outStream = response.getOutputStream(); String mimetype = context.getMimeType(realpath); if (mimetype == null) { mimetype = "application/octet-stream"; } response.setContentType(mimetype); response.setContentLength((int) file.length()); response.setHeader("Content-Disposition", "attachment; filename=\"" + file.getName() + "\""); byte[] byteBuffer = new byte[1024]; DataInputStream in = new DataInputStream(new FileInputStream(file)); while ((length = in.read(byteBuffer)) != -1) { outStream.write(byteBuffer, 0, length); } in.close(); outStream.close(); }
From source file:org.activiti.app.service.editor.ActivitiDecisionTableService.java
protected void exportDecisionTable(HttpServletResponse response, AbstractModel decisionTableModel) { DecisionTableRepresentation decisionTableRepresentation = getDecisionTableRepresentation( decisionTableModel);//w w w .ja v a 2 s . c o m // TODO Validate try { JsonNode editorJsonNode = objectMapper.readTree(decisionTableModel.getModelEditorJson()); // URLEncoder.encode will replace spaces with '+', to keep the actual name replacing '+' to '%20' String fileName = URLEncoder.encode(decisionTableRepresentation.getName(), "UTF-8").replaceAll("\\+", "%20") + ".dmn"; response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + fileName); ServletOutputStream servletOutputStream = response.getOutputStream(); response.setContentType("application/xml"); DmnDefinition dmnDefinition = dmnJsonConverter.convertToDmn(editorJsonNode, decisionTableModel.getId(), decisionTableModel.getVersion(), decisionTableModel.getLastUpdated()); byte[] xmlBytes = dmnXmlConverter.convertToXML(dmnDefinition); BufferedInputStream in = new BufferedInputStream(new ByteArrayInputStream(xmlBytes)); byte[] buffer = new byte[8096]; while (true) { int count = in.read(buffer); if (count == -1) break; servletOutputStream.write(buffer, 0, count); } // Flush and close stream servletOutputStream.flush(); servletOutputStream.close(); } catch (Exception e) { logger.error("Could not export decision table model", e); throw new InternalServerErrorException("Could not export decision table model"); } }
From source file:org.kuali.student.core.document.ui.server.upload.UploadServlet.java
@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { DocumentInfo info = null;//from w ww .j ava 2 s. c o m try { info = documentService.getDocument(request.getParameter("docId"), ContextUtils.getContextInfo()); } catch (Exception e) { LOG.error("Exception occurred", e); } if (info != null && info.getDocumentBinary() != null && info.getDocumentBinary().getBinary() != null && !(info.getDocumentBinary().getBinary().isEmpty())) { ServletOutputStream op = response.getOutputStream(); try { byte[] fileBytes = Base64.decodeBase64(info.getDocumentBinary().getBinary().getBytes()); int length = fileBytes.length; ServletContext context = getServletConfig().getServletContext(); String mimetype = context.getMimeType(info.getFileName()); response.setContentType((mimetype != null) ? mimetype : "application/octet-stream"); response.setContentLength(length); response.setHeader("Content-Disposition", "attachment; filename=\"" + info.getFileName() + "\""); // // Stream to the requester. // op.write(fileBytes, 0, length); } catch (Exception e) { LOG.error("Exception occurred", e); } finally { op.flush(); op.close(); } } else { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println( "Sorry, the file could not be retrieved. It may not exist, or the server could not be contacted."); } }