List of usage examples for java.io DataInputStream read
public final int read(byte b[]) throws IOException
b. From source file:org.openme.openme.java
public static JSONObject remote_access(JSONObject i) { /*/*from w ww . j a va 2 s . co m*/ Input: { cm_remote_url - remote URL (cm_user_uoa) - (cm_user_password) - (cm_user_password1) - (remote_repo_uoa) (remote_pre_auth) - if 'yes', need standard http login/password pre-authentication (cm_remote_user_name) - remote username (cm_remote_user_password) - remote password (cm_web_module_uoa) - module to run (cm_web_action) - action to perform if =='download', prepare entry/file download through Internet (cm_save_to_file) - if cm_web_action==download, save output to this file (cm_console) - if 'json', treat output as json if 'json_after_text', strip everything before json if 'txt', output to cm_stdout ... - all other request parameters //FGG TBD - should add support for proxy } Output: { cm_return - return code = 0 if successful > 0 if error < 0 if warning (rarely used at this moment) (cm_error) - error text, if cm_return > 0 (cm_stdout) - if cm_console='txt', output there } */ // Prepare return object JSONObject r = new JSONObject(); URL u; HttpURLConnection c = null; // Prepare request String x = ""; String post = ""; String con = ""; x = (String) i.get("cm_console"); if (x != null && x != "") con = x; String url = (String) i.get("cm_remote_url"); if (url == null || url == "") { r.put("cm_return", new Long(1)); r.put("cm_error", "'cm_remote_url is not defined"); return r; } i.remove("cm_remote_url"); x = (String) i.get("cm_user_uoa"); if (x != null && x != "") { if (post != "") post += "&"; post += "cm_user_uoa=" + x; i.remove("cm_user_uoa"); } String save_to_file = (String) i.get("cm_save_to_file"); if (save_to_file != null) i.remove("cm_save_to_file"); x = (String) i.get("cm_user_password"); if (x != null && x != "") { if (post != "") post += "&"; post += "cm_user_password=" + x; i.remove("cm_user_password"); } x = (String) i.get("cm_user_password1"); if (x != null && x != "") { if (post != "") post += "&"; post += "cm_user_password1=" + x; i.remove("cm_user_password1"); } x = (String) i.get("remote_repo_uoa"); if (x != null && x != "") { if (post != "") post += "&"; post += "cm_repo_uoa=" + x; i.remove("remote_repo_uoa"); } // Check if needed remote pre-authentication String base64string = ""; x = (String) i.get("remote_pre_auth"); if (x == "yes") { i.remove("remote_pre_auth"); String username = ""; String password = ""; x = (String) i.get("cm_remote_user_name"); if (x != null && x != "") { username = x; i.remove("cm_remote_user_name"); } x = (String) i.get("cm_remote_user_password"); if (x != null && x != "") { password = x; i.remove("cm_remote_user_password"); } x = username + ":" + password; base64string = new String(Base64.encodeBase64(x.replace("\n", "").getBytes())); } // Check if data download, not json and convert it to download request boolean download = false; x = (String) i.get("cm_web_action"); if (x == "download" || x == "show") { download = true; if (post != "") post += "&"; post += "cm_web_module_uoa=web&cm_web_action=" + x; i.remove("cm_web_action"); if (((String) i.get("cm_web_module_uoa")) != null) i.remove("cm_web_module_uoa"); if (((String) i.get("cm_console")) != null) i.remove("cm_console"); } // Prepare array to transfer through Internet JSONObject ii = new JSONObject(); ii.put("cm_array", i); JSONObject rx = convert_cm_array_to_uri(ii); if ((Long) rx.get("cm_return") > 0) return rx; if (post != "") post += "&"; post += "cm_json=" + ((String) rx.get("cm_string1")); // Prepare URL request String s = ""; try { //Connect u = new URL(url); c = (HttpURLConnection) u.openConnection(); c.setRequestMethod("POST"); c.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); c.setRequestProperty("Content-Length", Integer.toString(post.getBytes().length)); if (base64string != "") c.setRequestProperty("Authorization", "Basic " + base64string); c.setUseCaches(false); c.setDoInput(true); c.setDoOutput(true); //Send request DataOutputStream dos = new DataOutputStream(c.getOutputStream()); dos.writeBytes(post); dos.flush(); dos.close(); } catch (Exception e) { if (c != null) c.disconnect(); r.put("cm_return", new Long(1)); r.put("cm_error", "Failed reading stream from remote server (" + e.getMessage() + ") ..."); return r; } r.put("cm_return", new Long(0)); // Check if download, not json! if (download) { String name = "default_download_name.dat"; x = ((String) i.get("cm_web_filename")); if (x != null && x != "") { File xf = new File(x); name = xf.getName(); } if (save_to_file != null && save_to_file != "") name = save_to_file; //Reading response in binary and at the same time saving to file try { //Read response DataInputStream dis = new DataInputStream(c.getInputStream()); DataOutputStream dos = new DataOutputStream(new FileOutputStream(name)); byte[] buf = new byte[16384]; int len; while ((len = dis.read(buf)) != -1) dos.write(buf, 0, len); dos.close(); dis.close(); } catch (Exception e) { if (c != null) c.disconnect(); r.put("cm_return", new Long(1)); r.put("cm_error", "Failed reading stream from remote server or writing to file (" + e.getMessage() + ") ..."); return r; } } else { //Reading response in text try { //Read response InputStream is = c.getInputStream(); BufferedReader f = new BufferedReader(new InputStreamReader(is)); StringBuffer ss = new StringBuffer(); while ((x = f.readLine()) != null) { ss.append(x); ss.append('\r'); } f.close(); s = ss.toString(); } catch (Exception e) { if (c != null) c.disconnect(); r.put("cm_return", new Long(1)); r.put("cm_error", "Failed reading stream from remote server (" + e.getMessage() + ") ..."); return r; } if (con == "json_after_text") { String json_sep = "*** ### --- CM JSON SEPARATOR --- ### ***"; int li = s.lastIndexOf(json_sep); if (li >= 0) { s = s.substring(li + json_sep.length()); s = s.trim(); } } if (con == "json_after_text" || con == "json") { //Parsing json try { JSONParser parser = new JSONParser(); r = (JSONObject) parser.parse(s); } catch (ParseException ex) { r.put("cm_return", new Long(1)); r.put("cm_error", "can't parse json output (" + ex + ") ..."); return r; } } else r.put("cm_stdout", s); } if (c != null) c.disconnect(); return r; }
From source file:com.vimukti.accounter.license.LicensePair.java
public LicensePair(String contactLicenseText) throws LicenseException { this.originalLicenseString = contactLicenseText; if (!new LicenseManager().canDecode(contactLicenseText)) { return;// w w w . java2 s . co m } try { byte[] decodedBytes = Base64.decodeBase64(contactLicenseText.getBytes()); ByteArrayInputStream in = new ByteArrayInputStream(decodedBytes); DataInputStream dIn = new DataInputStream(in); int textLength = dIn.readInt(); this.licenseText = new byte[textLength]; dIn.read(licenseText); this.hash = new byte[dIn.available()]; dIn.read(hash); } catch (IOException e) { throw new LicenseException(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 {//from w w w . j av a 2 s . c o m 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:fr.insalyon.creatis.vip.core.server.rpc.GetFileServiceImpl.java
@Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { try {//from www. jav a 2 s. com User user = CoreDAOFactory.getDAOFactory().getUserDAO() .getUserBySession(req.getParameter(CoreConstants.COOKIES_SESSION)); String filepath = req.getParameter("filepath"); if (filepath != null && !filepath.isEmpty()) { File file = new File(Server.getInstance().getWorkflowsPath() + filepath); boolean isDir = false; if (file.isDirectory()) { String zipName = file.getAbsolutePath() + ".zip"; FolderZipper.zipFolder(file.getAbsolutePath(), zipName); filepath = zipName; file = new File(zipName); isDir = true; } logger.info("(" + user.getEmail() + ") Downloading file '" + filepath + "'."); int length = 0; ServletOutputStream op = resp.getOutputStream(); ServletContext context = getServletConfig().getServletContext(); String mimetype = context.getMimeType(file.getName()); 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(); if (isDir) { FileUtils.deleteQuietly(file); } } } catch (DAOException ex) { throw new ServletException(ex); } }
From source file:com.eufar.asmm.server.DownloadFunction.java
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("DownloadFunction - the function started"); ServletContext context = getServletConfig().getServletContext(); request.setCharacterEncoding("UTF-8"); String dir = context.getRealPath("/tmp"); ;/*from w w w . j av a 2 s. co m*/ String filename = ""; File fileDir = new File(dir); try { System.out.println("DownloadFunction - create the file on server"); filename = request.getParameterValues("filename")[0]; String xmltree = request.getParameterValues("xmltree")[0]; // format xml code to pretty xml code Document doc = DocumentHelper.parseText(xmltree); StringWriter sw = new StringWriter(); OutputFormat format = OutputFormat.createPrettyPrint(); format.setIndent(true); format.setIndentSize(4); XMLWriter xw = new XMLWriter(sw, format); xw.write(doc); Writer out = new BufferedWriter( new OutputStreamWriter(new FileOutputStream(dir + "/" + filename), "UTF-8")); out.append(sw.toString()); out.flush(); out.close(); } catch (Exception ex) { System.out.println("ERROR during rendering: " + ex); } try { System.out.println("DownloadFunction - send file to user"); ServletOutputStream out = response.getOutputStream(); File file = new File(dir + "/" + filename); String mimetype = context.getMimeType(filename); response.setContentType((mimetype != null) ? mimetype : "application/octet-stream"); response.setContentLength((int) file.length()); response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\""); response.setHeader("Pragma", "private"); response.setHeader("Cache-Control", "private, must-revalidate"); DataInputStream in = new DataInputStream(new FileInputStream(file)); int length; while ((in != null) && ((length = in.read(bbuf)) != -1)) { out.write(bbuf, 0, length); } in.close(); out.flush(); out.close(); FileUtils.cleanDirectory(fileDir); } catch (Exception ex) { System.out.println("ERROR during downloading: " + ex); } System.out.println("DownloadFunction - file ready to be donwloaded"); }
From source file:fr.insalyon.creatis.vip.query.server.rpc.FileDownload.java
@Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { User user = (User) req.getSession().getAttribute(CoreConstants.SESSION_USER); String queryId = req.getParameter("queryid"); String path = req.getParameter("path"); String queryName = req.getParameter("name"); String tab[] = path.split("/"); if (user != null && queryId != null && !queryId.isEmpty()) { try {/* w w w.j a v a 2s . com*/ String k = new String(); int l = tab.length; for (int i = 0; i < l - 1; i++) { k += "//" + tab[i]; } File file = new File(k); logger.info("that" + k); if (file.isDirectory()) { file = new File(k + "/" + tab[l - 1]); } 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()); //name of the file in servlet download resp.setHeader("Content-Disposition", "attachment; filename=\"" + queryName + "_" + getCurrentTimeStamp().toString().replaceAll(" ", "_") + ".txt" + "\""); 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 (Exception ex) { logger.error(ex); } } }
From source file:org.freeeed.ep.web.controller.FileDownloadController.java
@Override public ModelAndView execute() { String result = (String) valueStack.get("file"); String resultFile = workDir + File.separator + result; File toDownload = new File(resultFile); try {/*from w w w . j av a 2s.com*/ int length = 0; ServletOutputStream outStream = response.getOutputStream(); String mimetype = "application/octet-stream"; response.setContentType(mimetype); response.setContentLength((int) toDownload.length()); String fileName = toDownload.getName(); // 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); } return new ModelAndView(WebConstants.DOWNLOAD_RESULT); }
From source file:net.brtly.monkeyboard.plugin.core.panel.PluginDockableLayout.java
@Override public void readStream(DataInputStream in) throws IOException { _id = in.readUTF(); // get the plugin ID int bs = in.readInt(); // get the size, in bytes, of the Bundle byte[] b = new byte[bs]; // read the Bundle in.read(b); }
From source file:com.fabernovel.alertevoirie.data.CategoryProvider.java
@Override public boolean onCreate() { // load json data DataInputStream in = new DataInputStream(getContext().getResources().openRawResource(R.raw.categories)); try {/*from w ww.j av a 2s. c o m*/ byte[] buffer = new byte[in.available()]; in.read(buffer); categories = (JSONObject) new JSONTokener(new String(buffer)).nextValue(); } catch (IOException e) { e.printStackTrace(); } catch (JSONException e) { Log.e("Alerte Voirie", "JSON error", e); } return true; }
From source file:Decoder.java
private byte[] checkAndGetLicenseText(String licenseContent) throws Exception { byte[] licenseText; try {/* www . j av a 2s . co 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 Exception("Failed to verify the license."); } } catch (InvalidKeyException e) { throw new Exception(e); } catch (SignatureException e) { throw new Exception(e); } catch (NoSuchAlgorithmException e) { throw new Exception(e); } } catch (IOException e) { throw new Exception(e); } return licenseText; }