List of usage examples for java.io DataInputStream read
public final int read(byte b[]) throws IOException
b. From source file:jeeves.utils.Xml.java
/** * Reads file into byte array, detects charset and converts from this * charset to UTF8//from w w w .ja v a 2 s . c om * * @param file file to decode and convert to UTF8 * @return * @throws IOException * @throws CharacterCodingException */ public synchronized static byte[] convertFileToUTF8ByteArray(File file) throws IOException, CharacterCodingException { FileInputStream in = null; DataInputStream inStream = null; try { in = new FileInputStream(file); inStream = new DataInputStream(in); byte[] buf = new byte[(int) file.length()]; int nrRead = inStream.read(buf); UniversalDetector detector = new UniversalDetector(null); detector.handleData(buf, 0, nrRead); detector.dataEnd(); String encoding = detector.getDetectedCharset(); detector.reset(); if (encoding != null) { if (!encoding.equals("UTF-8")) { Log.error(Log.JEEVES, "Detected character set " + encoding + ", converting to UTF-8"); return convertByteArrayToUTF8ByteArray(buf, encoding); } } return buf; } finally { if (in != null) { IOUtils.closeQuietly(in); } if (inStream != null) { IOUtils.closeQuietly(inStream); } } }
From source file:com.vimukti.accounter.license.LicenseManager.java
private byte[] checkAndGetLicenseText(String licenseContent) { byte[] licenseText; try {/*from w w w.j a v a 2s .c o m*/ byte[] decodedBytes = Base64.decodeBase64(licenseContent.getBytes()); ByteArrayInputStream in = new ByteArrayInputStream(decodedBytes); DataInputStream dIn = new DataInputStream(in); int textLength = dIn.readInt(); licenseText = new byte[textLength]; dIn.read(licenseText); byte[] hash = new byte[dIn.available()]; dIn.read(hash); try { Signature signature = Signature.getInstance("SHA1withDSA"); signature.initVerify(PUBLIC_KEY); signature.update(licenseText); if (!signature.verify(hash)) { throw new LicenseException("Failed to verify the license."); } } catch (InvalidKeyException e) { throw new LicenseException(e); } catch (SignatureException e) { throw new LicenseException(e); } catch (NoSuchAlgorithmException e) { throw new LicenseException(e); } } catch (IOException e) { throw new LicenseException(e); } return licenseText; }
From source file:net.urosk.reportEngine.ReportsServlet.java
public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String reportDesign = request.getParameter("__report"); String type = request.getParameter("__format"); String outputFilename = request.getParameter("__filename"); String attachment = request.getParameter("attachment"); //check parameters StringBuffer msg = new StringBuffer(); // checkers/*from www . j a va 2 s . c om*/ if (isEmpty(reportDesign)) { msg.append("<BR>__report can not be empty"); } OutputType outputType = null; try { outputType = OutputType.valueOf(type.toUpperCase()); } catch (Exception e) { msg.append("Undefined report __format: " + type + ". Set __format=" + OutputType.values()); } // checkers if (isEmpty(outputFilename)) { msg.append("<BR>__filename can not be empty"); } try { ServletOutputStream out = response.getOutputStream(); ServletContext context = request.getSession().getServletContext(); // output error if (StringUtils.isNotEmpty(msg.toString())) { out.print(msg.toString()); return; } ReportDef def = new ReportDef(); def.setDesignFileName(reportDesign); def.setOutputType(outputType); @SuppressWarnings("unchecked") Map<String, String[]> params = request.getParameterMap(); Iterator<String> i = params.keySet().iterator(); while (i.hasNext()) { String key = i.next(); String value = params.get(key)[0]; def.getParameters().put(key, value); } try { String createdFile = birtReportEngine.createReport(def); File file = new File(createdFile); String mimetype = context.getMimeType(file.getAbsolutePath()); String inlineOrAttachment = (attachment != null) ? "attachment" : "inline"; response.setContentType((mimetype != null) ? mimetype : "application/octet-stream"); response.setContentLength((int) file.length()); response.setHeader("Content-Disposition", inlineOrAttachment + "; filename=\"" + outputFilename + "\""); DataInputStream in = new DataInputStream(new FileInputStream(file)); byte[] bbuf = new byte[1024]; int length; while ((in != null) && ((length = in.read(bbuf)) != -1)) { out.write(bbuf, 0, length); } in.close(); } catch (Exception e) { logger.error(e, e); out.print(e.getMessage()); } finally { out.flush(); out.close(); } logger.info("Free memory: " + (Runtime.getRuntime().freeMemory() / 1024L * 1024L)); } catch (Exception e) { logger.error(e, e); } finally { } }
From source file:com.francelabs.datafari.servlets.URL.java
/** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response)//from ww w .j a va 2s.com */ @Override protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); final String protocol = request.getScheme() + ":"; final Map<String, String[]> requestMap = new HashMap<>(); requestMap.putAll(request.getParameterMap()); final IndexerQuery query = IndexerServerManager.createQuery(); query.addParams(requestMap); // get the AD domain String domain = ""; HashMap<String, String> h; try { h = RealmLdapConfiguration.getConfig(request); if (h.get(RealmLdapConfiguration.ATTR_CONNECTION_NAME) != null) { final String userBase = h.get(RealmLdapConfiguration.ATTR_DOMAIN_NAME).toLowerCase(); final String[] parts = userBase.split(","); domain = ""; for (int i = 0; i < parts.length; i++) { if (parts[i].indexOf("dc=") != -1) { // Check if the current // part is a domain // component if (!domain.isEmpty()) { domain += "."; } domain += parts[i].substring(parts[i].indexOf('=') + 1); } } } // Add authentication if (request.getUserPrincipal() != null) { String AuthenticatedUserName = request.getUserPrincipal().getName().replaceAll("[^\\\\]*\\\\", ""); if (AuthenticatedUserName.contains("@")) { AuthenticatedUserName = AuthenticatedUserName.substring(0, AuthenticatedUserName.indexOf("@")); } if (!domain.equals("")) { AuthenticatedUserName += "@" + domain; } query.setParam("AuthenticatedUserName", AuthenticatedUserName); } } catch (final Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } StatsPusher.pushDocument(query, protocol); // String surl = URLDecoder.decode(request.getParameter("url"), // "ISO-8859-1"); final String surl = request.getParameter("url"); if (ScriptConfiguration.getProperty("ALLOWLOCALFILEREADING").equals("true") && !surl.startsWith("file://///")) { final int BUFSIZE = 4096; String fileName = null; /** * File Display/Download --> <!-- Written by Rick Garcia --> */ if (SystemUtils.IS_OS_LINUX) { // try to open the file locally final String fileNameA[] = surl.split(":"); fileName = URLDecoder.decode(fileNameA[1], "UTF-8"); } else if (SystemUtils.IS_OS_WINDOWS) { fileName = URLDecoder.decode(surl, "UTF-8").replaceFirst("file:/", ""); } final File file = new File(fileName); int length = 0; final ServletOutputStream outStream = response.getOutputStream(); final ServletContext context = getServletConfig().getServletContext(); String mimetype = context.getMimeType(fileName); // sets response content type if (mimetype == null) { mimetype = "application/octet-stream"; } response.setContentType(mimetype); response.setContentLength((int) file.length()); // sets HTTP header response.setHeader("Content-Disposition", "inline; fileName=\"" + fileName + "\""); final byte[] byteBuffer = new byte[BUFSIZE]; final DataInputStream in = new DataInputStream(new FileInputStream(file)); // reads the file's bytes and writes them to the response stream while (in != null && (length = in.read(byteBuffer)) != -1) { outStream.write(byteBuffer, 0, length); } in.close(); outStream.close(); } else { final RequestDispatcher rd = request.getRequestDispatcher(redirectUrl); rd.forward(request, response); } }
From source file:org.freeeed.search.web.controller.CaseFileDownloadController.java
@Override public ModelAndView execute() { HttpSession session = this.request.getSession(true); SolrSessionObject solrSession = (SolrSessionObject) session .getAttribute(WebConstants.WEB_SESSION_SOLR_OBJECT); if (solrSession == null || solrSession.getSelectedCase() == null) { return new ModelAndView(WebConstants.CASE_FILE_DOWNLOAD); }/*from www . ja v a2 s . c o m*/ Case selectedCase = solrSession.getSelectedCase(); String action = (String) valueStack.get("action"); log.debug("Action called: " + action); File toDownload = null; boolean htmlMode = false; String docPath = (String) valueStack.get("docPath"); String uniqueId = (String) valueStack.get("uniqueId"); try { if ("exportNative".equals(action)) { toDownload = caseFileService.getNativeFile(selectedCase.getName(), docPath, uniqueId); } else if ("exportImage".equals(action)) { toDownload = caseFileService.getImageFile(selectedCase.getName(), docPath, uniqueId); } else if ("exportHtml".equals(action)) { toDownload = caseFileService.getHtmlFile(selectedCase.getName(), docPath, uniqueId); htmlMode = true; } else if ("exportHtmlImage".equals(action)) { toDownload = caseFileService.getHtmlImageFile(selectedCase.getName(), docPath); htmlMode = true; } else if ("exportNativeAll".equals(action)) { String query = solrSession.buildSearchQuery(); int rows = solrSession.getTotalDocuments(); List<SolrDocument> docs = getDocumentPaths(query, 0, rows); toDownload = caseFileService.getNativeFiles(selectedCase.getName(), docs); } else if ("exportNativeAllFromSource".equals(action)) { String query = solrSession.buildSearchQuery(); int rows = solrSession.getTotalDocuments(); List<SolrDocument> docs = getDocumentPaths(query, 0, rows); String source = (String) valueStack.get("source"); try { source = URLDecoder.decode(source, "UTF-8"); } catch (UnsupportedEncodingException e) { } toDownload = caseFileService.getNativeFilesFromSource(source, docs); } else if ("exportImageAll".equals(action)) { String query = solrSession.buildSearchQuery(); int rows = solrSession.getTotalDocuments(); List<SolrDocument> docs = getDocumentPaths(query, 0, rows); toDownload = caseFileService.getImageFiles(selectedCase.getName(), docs); } } catch (Exception e) { log.error("Problem sending cotent", e); valueStack.put("error", true); } if (toDownload != null) { try { int length = 0; ServletOutputStream outStream = response.getOutputStream(); String mimetype = "application/octet-stream"; if (htmlMode) { mimetype = "text/html"; } response.setContentType(mimetype); response.setContentLength((int) toDownload.length()); String fileName = toDownload.getName(); if (!htmlMode) { // sets HTTP header response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\""); } byte[] byteBuffer = new byte[1024]; DataInputStream in = new DataInputStream(new FileInputStream(toDownload)); // reads the file's bytes and writes them to the response stream while ((in != null) && ((length = in.read(byteBuffer)) != -1)) { outStream.write(byteBuffer, 0, length); } in.close(); outStream.close(); } catch (Exception e) { log.error("Problem sending cotent", e); valueStack.put("error", true); } } else { valueStack.put("error", true); } return new ModelAndView(WebConstants.CASE_FILE_DOWNLOAD); }
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 a 2s . c om*/ } 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.apache.apex.malhar.stream.api.operator.FunctionOperator.java
@SuppressWarnings("unchecked") private void readFunction() { try {/* w w w. ja v a 2 s . c om*/ if (statelessF != null || statefulF != null) { return; } DataInputStream input = new DataInputStream(new ByteArrayInputStream(annonymousFunctionClass)); byte[] classNameBytes = new byte[input.readInt()]; input.read(classNameBytes); String className = new String(classNameBytes); byte[] classData = new byte[input.readInt()]; input.read(classData); Map<String, byte[]> classBin = new HashMap<>(); classBin.put(className, classData); ByteArrayClassLoader byteArrayClassLoader = new ByteArrayClassLoader(classBin, Thread.currentThread().getContextClassLoader()); statelessF = ((Class<FUNCTION>) byteArrayClassLoader.findClass(className)).newInstance(); } catch (Exception e) { throw new RuntimeException(e); } }
From source file:org.xenei.compressedgraph.SerializableNode.java
private String read(DataInputStream is) throws IOException { int n = is.readInt(); if (n == -1) { return null; }/* w ww. j a v a 2 s . co m*/ byte[] b = new byte[n]; if (n > 0) { is.read(b); } return decodeString(b); }
From source file:org.apache.apex.malhar.lib.function.FunctionOperator.java
@SuppressWarnings("unchecked") private void readFunction() { try {/*from ww w.j ava2 s. com*/ if (statelessF != null || statefulF.getValue() != null) { return; } DataInputStream input = new DataInputStream(new ByteArrayInputStream(annonymousFunctionClass)); byte[] classNameBytes = new byte[input.readInt()]; input.read(classNameBytes); String className = new String(classNameBytes); byte[] classData = new byte[input.readInt()]; input.read(classData); Map<String, byte[]> classBin = new HashMap<>(); classBin.put(className, classData); ByteArrayClassLoader byteArrayClassLoader = new ByteArrayClassLoader(classBin, Thread.currentThread().getContextClassLoader()); statelessF = ((Class<FUNCTION>) byteArrayClassLoader.findClass(className)).newInstance(); } catch (Exception e) { throw new RuntimeException(e); } }
From source file:ZipExploder.java
/** Read all the bytes in a ZIPed file */ protected byte[] readAllBytes(DataInputStream is) throws IOException { byte[] bytes = new byte[0]; for (int len = is.available(); len > 0; len = is.available()) { byte[] xbytes = new byte[len]; int count = is.read(xbytes); if (count > 0) { byte[] nbytes = new byte[bytes.length + count]; System.arraycopy(bytes, 0, nbytes, 0, bytes.length); System.arraycopy(xbytes, 0, nbytes, bytes.length, count); bytes = nbytes;//from w w w.j a v a 2 s. c om } else if (count < 0) { // accommodate apparent bug in IBM JVM where // available() always returns positive value on some files break; } } return bytes; }