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:org.commoncrawl.service.listcrawler.ProxyServlet.java
private static void sendCacheItemResponse(final HttpServletRequest req, final HttpServletResponse response, CacheItem responseItem, boolean isS3Response, String renderAs, AsyncResponse responseObject, long requestStartTime) throws IOException { // remove default headers ... response.setHeader("Date", null); response.setHeader("Server", null); // parse response code in headers ... CrawlURLMetadata metadata = new CrawlURLMetadata(); HttpHeaderInfoExtractor.parseStatusLine(responseItem.getHeaderItems().get(0).getItemValue(), metadata); if (!metadata.isFieldDirty(CrawlURLMetadata.Field_HTTPRESULTCODE)) { metadata.setHttpResultCode(200); }/*from ww w . java 2 s .c o m*/ // set the result code ... response.setStatus(metadata.getHttpResultCode()); if (renderAs.equals(PROXY_RENDER_TYPE_TEXT)) { response.setHeader("content-type", "text/plain"); PrintWriter writer = response.getWriter(); writer.write(responseItem.getHeaderItems().get(0).getItemValue() + "\n"); if (isS3Response) writer.write(PROXY_HEADER_SOURCE + ":s3\n"); else writer.write(PROXY_HEADER_SOURCE + ":cache\n"); writer.write(PROXY_HEADER_TIMER + ":" + (System.currentTimeMillis() - requestStartTime) + "MS\n"); writer.write(PROXY_HEADER_FINALURL + ":" + responseItem.getFinalURL() + "\n"); writer.write("content-length:" + Integer.toString(responseItem.getContent().getCount()) + "\n"); if ((responseItem.getFlags() & CacheItem.Flags.Flag_IsCompressed) != 0) { writer.write("content-encoding:gzip\n"); } String truncationFlags = ""; if ((responseItem.getFlags() & CacheItem.Flags.Flag_WasTruncatedDuringDownload) != 0) { truncationFlags += ArcFileItem.Flags.toString(ArcFileItem.Flags.TruncatedInDownload); } if ((responseItem.getFlags() & CacheItem.Flags.Flag_WasTruncatedDuringInflate) != 0) { if (truncationFlags.length() != 0) truncationFlags += ","; truncationFlags += ArcFileItem.Flags.toString(ArcFileItem.Flags.TruncatedInInflate); } if (truncationFlags.length() != 0) { writer.write(PROXY_HEADER_TRUNCATION + ":" + truncationFlags + "\n"); } // iterate items for (ArcFileHeaderItem headerItem : responseItem.getHeaderItems()) { // ignore unwanted items if (headerItem.getItemKey().length() != 0) { if (headerItem.getItemValue().length() != 0) { if (!dontProxyHeaders.contains(headerItem.getItemKey().toLowerCase())) { // and send other ones through writer.write(headerItem.getItemKey() + ":" + headerItem.getItemValue() + "\n"); } else { if (headerItem.getItemKey().equalsIgnoreCase("content-length")) { writer.write( PROXY_HEADER_ORIGINAL_CONTENT_LEN + ":" + headerItem.getItemValue() + "\n"); } } } } } writer.write("\n"); int contentLength = responseItem.getContent().getCount(); byte contentData[] = responseItem.getContent().getReadOnlyBytes(); if ((responseItem.getFlags() & CacheItem.Flags.Flag_IsCompressed) != 0) { UnzipResult result = GZIPUtils.unzipBestEffort(contentData, CrawlEnvironment.CONTENT_SIZE_LIMIT); if (result != null) { contentData = result.data.get(); contentLength = result.data.getCount(); } } NIOHttpHeaders headers = ArcFileItemUtils .buildHeaderFromArcFileItemHeaders(responseItem.getHeaderItems()); BufferedReader bufferedReader = readerForCharset(headers, contentData, contentLength, writer); try { String line = null; while ((line = bufferedReader.readLine()) != null) { writer.println(line); } } finally { bufferedReader.close(); } writer.flush(); } else { // set the content length ... response.setHeader("content-length", Integer.toString(responseItem.getContent().getCount())); if ((responseItem.getFlags() & CacheItem.Flags.Flag_IsCompressed) != 0) { response.setHeader("content-encoding", "gzip"); } if (isS3Response) response.setHeader(PROXY_HEADER_SOURCE, "s3"); else response.setHeader(PROXY_HEADER_SOURCE, "cache"); response.setHeader(PROXY_HEADER_TIMER, (System.currentTimeMillis() - requestStartTime) + "MS"); response.setHeader(PROXY_HEADER_FINALURL, responseItem.getFinalURL()); String truncationFlags = ""; if ((responseItem.getFlags() & CacheItem.Flags.Flag_WasTruncatedDuringDownload) != 0) { truncationFlags += ArcFileItem.Flags.toString(ArcFileItem.Flags.TruncatedInDownload); } if ((responseItem.getFlags() & CacheItem.Flags.Flag_WasTruncatedDuringInflate) != 0) { if (truncationFlags.length() != 0) truncationFlags += ","; truncationFlags += ArcFileItem.Flags.toString(ArcFileItem.Flags.TruncatedInInflate); } if (truncationFlags.length() != 0) { response.setHeader(PROXY_HEADER_TRUNCATION, truncationFlags); } // iterate items for (ArcFileHeaderItem headerItem : responseItem.getHeaderItems()) { // ignore unwanted items if (headerItem.getItemKey().length() != 0) { if (headerItem.getItemValue().length() != 0) { if (!dontProxyHeaders.contains(headerItem.getItemKey().toLowerCase())) { // and send other ones through response.setHeader(headerItem.getItemKey(), headerItem.getItemValue()); } else { if (headerItem.getItemKey().equalsIgnoreCase("content-length")) { response.setHeader(PROXY_HEADER_ORIGINAL_CONTENT_LEN, headerItem.getItemValue()); } } } } } ServletOutputStream responseOutputStream = response.getOutputStream(); BufferedWriter writer = new BufferedWriter( new OutputStreamWriter(responseOutputStream, Charset.forName("ASCII"))); // write out content bytes responseOutputStream.write(responseItem.getContent().getReadOnlyBytes(), 0, responseItem.getContent().getCount()); } ProxyServer.getSingleton().logProxySuccess(metadata.getHttpResultCode(), (isS3Response) ? "s3" : "cache", responseItem.getUrl(), responseItem.getFinalURL(), responseObject.getStartTime()); }
From source file:org.apache.myfaces.renderkit.html.util.MyFacesResourceLoader.java
/** * Copy the content of the specified input stream to the servlet response. *//*from w ww . j ava2 s. co m*/ protected void writeResource(HttpServletRequest request, HttpServletResponse response, InputStream in) throws IOException { ServletOutputStream out = response.getOutputStream(); try { byte[] buffer = new byte[1024]; for (int size = in.read(buffer); size != -1; size = in.read(buffer)) { out.write(buffer, 0, size); } out.flush(); } catch (IOException e) { // This happens sometimes with Microsft Internet Explorer. It would // appear (guess) that when javascript creates multiple dom nodes // referring to the same remote resource then IE stupidly opens // multiple sockets and requests that resource multiple times. But // when the first request completes, it then realises its stupidity // and forcibly closes all the other sockets. But here we are trying // to service those requests, and so get a "broken pipe" failure // on write. The only thing to do here is to silently ignore the issue, // ie suppress the exception. Note that it is also possible for the // above code to succeed (ie this exception clause is not run) but // for a later flush to get the "broken pipe"; this is either due // just to timing, or possibly IE is closing sockets after receiving // a complete file for some types (gif?) rather than waiting for the // server to close it. We throw a special exception here to inform // callers that they should NOT flush anything - though that is // dangerous no matter what IOException subclass is thrown. log.debug("Unable to send resource data to client", e); throw new ResourceLoader.ClosedSocketException(); } }
From source file:org.apache.stratos.theme.mgt.ui.servlets.ThemeResourceServlet.java
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try {/*from w ww . j a v a2s. c o m*/ ThemeMgtServiceClient client = new ThemeMgtServiceClient(servletConfig, request.getSession()); String path = request.getParameter("path"); String viewImage = request.getParameter("viewImage"); if (path == null) { String msg = "Could not get the resource content. Path is not specified."; log.error(msg); response.setStatus(400); return; } ContentDownloadBean bean = client.getContentDownloadBean(path); InputStream contentStream = null; if (bean.getContent() != null) { contentStream = bean.getContent().getInputStream(); } else { String msg = "The resource content was empty."; log.error(msg); response.setStatus(204); return; } response.setDateHeader("Last-Modified", bean.getLastUpdatedTime().getTime().getTime()); String ext = "jpg"; if (path.lastIndexOf(".") < path.length() - 1 && path.lastIndexOf(".") > 0) { ext = path.substring(path.lastIndexOf(".") + 1); } if (viewImage != null && viewImage.equals("1")) { response.setContentType("img/" + ext); } else { if (bean.getMediatype() != null && bean.getMediatype().length() > 0) { response.setContentType(bean.getMediatype()); } else { response.setContentType("application/download"); } if (bean.getResourceName() != null) { response.setHeader("Content-Disposition", "attachment; filename=\"" + bean.getResourceName() + "\""); } } if (contentStream != null) { ServletOutputStream servletOutputStream = null; try { servletOutputStream = response.getOutputStream(); byte[] contentChunk = new byte[1024]; int byteCount; while ((byteCount = contentStream.read(contentChunk)) != -1) { servletOutputStream.write(contentChunk, 0, byteCount); } response.flushBuffer(); servletOutputStream.flush(); } finally { contentStream.close(); if (servletOutputStream != null) { servletOutputStream.close(); } } } } catch (Exception e) { String msg = "Failed to get resource content. " + e.getMessage(); log.error(msg, e); response.setStatus(500); } }
From source file:com.mkmeier.quickerbooks.ProcessSquare.java
/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * * @param request servlet request/*from www . j a va2 s . co m*/ * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (!ServletFileUpload.isMultipartContent(request)) { showForm(request, response); } else { ServletFileUploader up = new ServletFileUploader(); up.parseRequest(request); File file = up.getFileMap().get("squareTxn"); int incomeAcctNum = Integer.parseInt(up.getFieldMap().get("incomeAcct")); int feeAcctNum = Integer.parseInt(up.getFieldMap().get("feeAcct")); int depositAcctNum = Integer.parseInt(up.getFieldMap().get("depositAcct")); QbAccount incomeAcct = getAccount(incomeAcctNum); QbAccount feeAcct = getAccount(feeAcctNum); QbAccount depositAcct = getAccount(depositAcctNum); SquareParser sp = new SquareParser(file); List<SquareTxn> txns; try { txns = sp.parse(); } catch (SquareException ex) { throw new ServletException(ex); } SquareToIif squareToIif = new SquareToIif(txns, incomeAcct, feeAcct, depositAcct); File iifFile = squareToIif.getIifFile(); response.setHeader("Content-Disposition", "attachement; filename=\"iifFile.iif\""); ServletOutputStream out = response.getOutputStream(); FileInputStream in = new FileInputStream(iifFile); byte[] buffer = new byte[4096]; int length; while ((length = in.read(buffer)) > 0) { out.write(buffer, 0, length); } in.close(); out.flush(); // PrintWriter out = response.getWriter(); // for (SquareTxn txn : txns) { // out.println(txn.toString()); // } } }
From source file:org.apache.cxf.fediz.spring.web.FederationSignOutCleanupFilter.java
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String wa = request.getParameter(FederationConstants.PARAM_ACTION); if (FederationConstants.ACTION_SIGNOUT_CLEANUP.equals(wa)) { if (request instanceof HttpServletRequest) { ((HttpServletRequest) request).getSession().invalidate(); }//from w ww .ja v a 2s . c om final ServletOutputStream responseOutputStream = response.getOutputStream(); InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("logout.jpg"); if (inputStream == null) { LOG.warn("Could not write logout.jpg"); return; } int read = 0; byte[] buf = new byte[1024]; while ((read = inputStream.read(buf)) != -1) { responseOutputStream.write(buf, 0, read); } inputStream.close(); responseOutputStream.flush(); } else { chain.doFilter(request, response); } }
From source file:com.denimgroup.threadfix.webapp.controller.VulnerabilitySearchController.java
private boolean sendFileContentToClient(String content, HttpServletResponse response) throws IOException { if (content == null) { return false; }/*from w w w . j av a 2s . c o m*/ InputStream in = new ByteArrayInputStream(content.getBytes("UTF-8")); if (in != null) { ServletOutputStream out = response.getOutputStream(); byte[] outputByteBuffer = new byte[65535]; int remainingSize = in.read(outputByteBuffer, 0, 65535); // copy binary content to output stream while (remainingSize != -1) { out.write(outputByteBuffer, 0, remainingSize); remainingSize = in.read(outputByteBuffer, 0, 65535); } in.close(); out.flush(); out.close(); return true; } else { return false; } }
From source file:com.kwoksys.biz.files.FileService.java
public void download(ResponseContext responseContext, File file) throws FileNotFoundException { HttpServletResponse response = responseContext.getResponse(); response.setContentType(file.getMimeType()); response.setContentLength(file.getSize()); // To work around file download problems on IE response.setHeader("Pragma", "public"); // For HTTP/1.0 backward compatibility. response.setHeader("Cache-Control", "public"); // For HTTP/1.1. response.setHeader("Content-Disposition", "filename=\"" + file.getLogicalName() + "\""); // Get the file in file input stream. java.io.File downloadFile = new java.io.File(file.getConfigRepositoryPath(), file.getPhysicalName()); FileInputStream input = null; ServletOutputStream output = null; try {/*from w ww .j a va 2 s . c om*/ input = new FileInputStream(downloadFile); output = response.getOutputStream(); byte[] buffer = new byte[10240]; int read; while ((read = input.read(buffer)) > 0) { output.write(buffer, 0, read); } } catch (Exception e) { logger.warning("Problem downloading a file: " + e.getMessage()); throw new FileNotFoundException(); } finally { close(input); close(output); } }
From source file:org.apache.accumulo.monitor.servlets.DefaultServlet.java
private void getResource(HttpServletRequest req, HttpServletResponse resp) throws IOException { try {/*from w ww.j ava2 s. co m*/ String path = req.getRequestURI(); if (path.endsWith(".jpg")) resp.setContentType("image/jpeg"); if (path.endsWith(".html")) resp.setContentType("text/html"); path = path.substring(1); InputStream data = BasicServlet.class.getClassLoader().getResourceAsStream(path); ServletOutputStream out = resp.getOutputStream(); try { if (data != null) { byte[] buffer = new byte[1024]; int n; while ((n = data.read(buffer)) > 0) out.write(buffer, 0, n); } else { out.write(("could not get resource " + path + "").getBytes(UTF_8)); } } finally { if (data != null) data.close(); } } catch (Throwable t) { log.error(t, t); throw new IOException(t); } }
From source file:Utils.UpDownFiles.java
/** * * @param pw/*from www . j av a 2s. c o m*/ * @param xml * @return */ public boolean prepareToDownBinary(File file, ServletOutputStream out) { try { // Open the file stream FileInputStream in = new FileInputStream(file); // Copy the contents of the file to the output stream byte[] buf = new byte[1024]; int count = 0; while ((count = in.read(buf)) >= 0) { out.write(buf, 0, count); } in.close(); return true; } catch (Exception e) { //Utils.StaticClass.webAppSystemOutPrintln("ERROR occured in UpDownFiles.prepareToDown"); Utils.StaticClass.handleException(e); return false; } }
From source file:org.exist.webstart.JnlpWriter.java
/** * Send JAR or JAR.PACK.GZ file to end user. * * @param filename Name of JAR file//from w w w .j a v a 2 s . c o m * @param response Object for writing to end user. * @throws java.io.IOException */ void sendJar(JnlpJarFiles jnlpFiles, String filename, HttpServletRequest request, HttpServletResponse response) throws IOException { logger.debug("Send jar file " + filename); final File localFile = jnlpFiles.getJarFile(filename); if (localFile == null || !localFile.exists()) { response.sendError(HttpServletResponse.SC_NOT_FOUND, "Jar file '" + filename + "' not found."); return; } logger.debug("Actual file " + localFile.getAbsolutePath()); if (localFile.getName().endsWith(".jar")) { //response.setHeader(CONTENT_ENCODING, JAR_MIME_TYPE); response.setContentType(JAR_MIME_TYPE); } else if (localFile.getName().endsWith(".jar.pack.gz")) { response.setHeader(CONTENT_ENCODING, PACK200_GZIP_ENCODING); response.setContentType(PACK_MIME_TYPE); } // It is very improbable that a 64 bit jar is needed, but // it is better to be ready // response.setContentLength(Integer.parseInt(Long.toString(localFile.length()))); response.setHeader("Content-Length", Long.toString(localFile.length())); response.setDateHeader("Last-Modified", localFile.lastModified()); final FileInputStream fis = new FileInputStream(localFile); final ServletOutputStream os = response.getOutputStream(); try { // Transfer bytes from in to out final byte[] buf = new byte[4096]; int len; while ((len = fis.read(buf)) > 0) { os.write(buf, 0, len); } } catch (final IllegalStateException ex) { logger.debug(ex.getMessage()); } catch (final IOException ex) { logger.debug("Ignore IOException for '" + filename + "'"); } os.flush(); os.close(); fis.close(); }