@SuppressWarnings("unchecked") public Map<Integer, String>[] readDictionary(String file) { try { Map<Integer, String>[] map = new TreeMap[2]; map[0] = new TreeMap<Integer, String>(); map[1] = new TreeMap<Integer, String>(); BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file))); String string = ""; String[] array1 = null, array2 = null; while ((string = reader.readLine()) != null) { array1 = string.split("#"); for (String data : array1) { array2 = data.split(":"); if (array2.length == 3) { if (!array2[0].equals("") || array2[0] != null) { map[0].put(Integer.parseInt(array2[0]), array2[1]); map[1].put(Integer.parseInt(array2[0]), array2[2]); } } } } reader.close(); return map; } catch (EOFException e) { e.printStackTrace(); return null; } catch (IOException e) { e.printStackTrace(); return null; } }
public static void main(String[] args) { SimpleProducer sp = new SimpleProducer(); EventMessage event = new EventMessage(); String[] machines = {"pump_1", "pump_2", "tank_1", "tank_2"}; event.setBuilding("building_3"); event.setId("5ba51e3"); event.setDate(new Date().getTime()); float minX = 1f; float maxX = 100.0f; Random rand = new Random(); try { EventMessageSerializer eventMessageSerializer = new EventMessageSerializer(); for (int i = 0; i < 10; i++) { event.setStatus(rand.nextFloat() * (maxX - minX) + minX); event.setMachine(machines[new Random().nextInt(machines.length)]); sp.publish(eventMessageSerializer.serializeMessage(event), event.getId().toString()); } } catch (EOFException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } catch (ExecutionException e) { e.printStackTrace(); } }
public Object receiveObject() { // If we are connected then we can receive if (isConnected()) { try { Object receive = getInputStream() .readObject(); // Read objects from the stream and set the receivable to it if (receive != null) // as long as the input stream is not null we can keep reading through the // stream { return receive; // return the object received from the server } } // This exception is reached when it is done reading the object catch (EOFException ex) { ex.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } return null; }
private void handleEOF(EOFException exp, Snapshot snapshot) { if (debugLevel > 0) { exp.printStackTrace(); } warn("Unexpected EOF. Will miss information..."); // we have EOF, we have to tolerate missing references snapshot.setUnresolvedObjectsOK(true); }
/** @review runSafe OK */ @Override public void run() { log.debug(prefix() + "ReceiverThread started."); try { while (!isInterrupted()) { /* * TODO: if we implement network view it should return a * ProgressMonitor with Util#getRunnableContext(), that we * can use here. */ progress = SubMonitor.convert(new NullProgressMonitor()); progress.beginTask("receive", 100); try { IncomingTransferObject transferObject = channel.receiveIncomingTransferObject(progress.newChild(1)); listener.addIncomingTransferObject(transferObject); } catch (LocalCancellationException e) { log.info("Connection was closed by me. "); if (progress != null && !progress.isCanceled()) progress.setCanceled(true); close(); return; } catch (SocketException e) { log.debug(prefix() + "Connection was closed by me. " + e.getMessage()); close(); return; } catch (EOFException e) { e.printStackTrace(); log.debug(prefix() + "Connection was closed by peer. " + e.getMessage()); close(); return; } catch (IOException e) { log.error(prefix() + "Network IO Exception: " + e.getMessage(), e); if (e.getMessage().contains("Socket already disposed")) return; close(); return; } catch (ClassNotFoundException e) { log.error(prefix() + "Received unexpected object in ReceiveThread", e); continue; } } } catch (RuntimeException e) { log.error(prefix() + "Internal Error in Receive Thread: ", e); // If there is programming problem, close the socket close(); } }
/** * Create RelatedUsersWritable from input stream. * * @param in input stream * @throws IOException - */ @Override public void readFields(final DataInput in) throws IOException { try { int listSize = in.readInt(); this.relatedUsers = new ArrayList<LongWritable>(listSize); for (int i = 0; i < listSize; i++) { long userID = in.readLong(); this.relatedUsers.add(new LongWritable(userID)); } } catch (EOFException e) { e.printStackTrace(); } catch (ArrayIndexOutOfBoundsException e) { e.printStackTrace(); } }
private void readJournal() throws IOException { InputStream in = new BufferedInputStream(new FileInputStream(journalFile), IO_BUFFER_SIZE); try { String magic = readAsciiLine(in); String version = readAsciiLine(in); String appVersionString = readAsciiLine(in); String valueCountString = readAsciiLine(in); String blank = readAsciiLine(in); if (!MAGIC.equals(magic) || !VERSION_1.equals(version) || !Integer.toString(appVersion).equals(appVersionString) || !Integer.toString(valueCount).equals(valueCountString) || !"".equals(blank)) { Logger.d( BitmapLoader.TAG, "unexpected journal header: [" + magic + ", " + version + ", " + valueCountString + ", " + blank + "]"); throw new IOException( "unexpected journal header: [" + magic + ", " + version + ", " + valueCountString + ", " + blank + "]"); } while (true) { try { readJournalLine(readAsciiLine(in)); } catch (EOFException endOfJournal) { endOfJournal.printStackTrace(); break; } } } finally { closeQuietly(in); } }
/* * Receive an integer from the client * @return the received int or error number * @throws Exception if a null string was received */ private int receiveInt() throws Exception { int val = RHErrors.RHE_GENERAL; try { String str = receiveString(); val = Integer.parseInt(str); } catch (EOFException eofe) { eofe.printStackTrace(); return RHErrors.RHE_IOE; } catch (IOException ioe) { ioe.printStackTrace(); return RHErrors.RHE_IOE; } catch (Exception e) { throw new Exception("Received null string"); } return val; }
public static void main(String[] args) throws PcapNativeException, NotOpenException { String filter = args.length != 0 ? args[0] : ""; System.out.println(COUNT_KEY + ": " + COUNT); System.out.println(READ_TIMEOUT_KEY + ": " + READ_TIMEOUT); System.out.println(SNAPLEN_KEY + ": " + SNAPLEN); System.out.println("\n"); PcapNetworkInterface nif; try { nif = new NifSelector().selectNetworkInterface(); } catch (IOException e) { e.printStackTrace(); return; } if (nif == null) { return; } System.out.println(nif.getName() + "(" + nif.getDescription() + ")"); PcapHandle handle = nif.openLive(SNAPLEN, PromiscuousMode.PROMISCUOUS, READ_TIMEOUT); handle.setFilter(filter, BpfCompileMode.OPTIMIZE); int num = 0; while (true) { try { Packet packet = handle.getNextPacketEx(); Timestamp ts = new Timestamp(handle.getTimestampInts() * 1000L); ts.setNanos(handle.getTimestampMicros() * 1000); System.out.println(ts); System.out.println(packet); num++; if (num >= COUNT) { break; } } catch (TimeoutException e) { } catch (EOFException e) { e.printStackTrace(); } } handle.close(); }
protected synchronized Message receiveMessage() throws IOException { if (messageBuffer.size() > 0) { Message m = (Message) messageBuffer.get(0); messageBuffer.remove(0); return m; } try { InetSocketAddress remoteAddress = (InetSocketAddress) channel.receive(receiveBuffer); if (remoteAddress != null) { int len = receiveBuffer.position(); receiveBuffer.rewind(); receiveBuffer.get(buf, 0, len); try { IP address = IP.fromInetAddress(remoteAddress.getAddress()); int port = remoteAddress.getPort(); extractor.appendData(buf, 0, len, new SocketDescriptor(address, port)); receiveBuffer.clear(); extractor.updateAvailableMessages(); return extractor.nextMessage(); } catch (EOFException exc) { exc.printStackTrace(); System.err.println(buf.length + ", " + len); } catch (InvocationTargetException exc) { exc.printStackTrace(); } catch (IllegalAccessException exc) { exc.printStackTrace(); } catch (InstantiationException exc) { exc.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (InvalidCompressionMethodException e) { e.printStackTrace(); } } } catch (ClosedChannelException exc) { if (isKeepAlive()) { throw exc; } } return null; }
public Object deserialize(String fileName) { try { ObjectInputStream in = new ObjectInputStream(new FileInputStream(fileName)); int count = 0; while (true) { count++; try { feedbackObject = in.readObject(); } catch (ClassNotFoundException e) { Log.d("Error-Deserializer", "Cant read object"); } } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (EOFException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return feedbackObject; }
// see DbFile.java for javadocs public Page readPage(PageId pid) { // some code goes here if (pid.pageNumber() >= numPages()) { throw new IllegalArgumentException("page not in file"); } Page returnme = null; byte[] data = HeapPage.createEmptyPageData(); long offset = (long) BufferPool.PAGE_SIZE * pid.pageNumber(); try { raf.seek(offset); for (int i = 0; i < data.length; i++) { data[i] = raf.readByte(); } returnme = new HeapPage((HeapPageId) pid, data); } catch (EOFException eofe) { eofe.printStackTrace(); } catch (IOException ioe) { ioe.printStackTrace(); } return returnme; }
public Object readObject(String key, Object o) { Object object = null; ByteArrayInputStream bis = null; ObjectInputStream ois; try { String value = getString(key, ""); byte[] bytes = Base64.decode(value); if (bytes.length > 0) { // 封装到字节流 bis = new ByteArrayInputStream(bytes); // 再次封装 ois = new ObjectInputStream(bis); // 读取对象 object = ois.readObject(); } else { object = o; } } catch (EOFException e) { e.printStackTrace(); } catch (StreamCorruptedException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } finally { try { if (bis != null) bis.close(); if (bis != null) bis.close(); } catch (IOException e) { e.printStackTrace(); } } return object; }
// check if compressed file seems ok public static long testValid(String ufilename) throws IOException { boolean lookForHeader = false; // gotta make it RandomAccessFile raf = new RandomAccessFile(ufilename, "r"); raf.order(RandomAccessFile.BIG_ENDIAN); raf.seek(0); byte[] b = new byte[8]; raf.read(b); String test = new String(b); if (test.equals(Level2VolumeScan.ARCHIVE2) || test.equals(Level2VolumeScan.AR2V0001)) { System.out.println("--Good header= " + test); raf.seek(24); } else { System.out.println("--No header "); lookForHeader = true; raf.seek(0); } boolean eof = false; int numCompBytes; try { while (!eof) { if (lookForHeader) { raf.read(b); test = new String(b); if (test.equals(Level2VolumeScan.ARCHIVE2) || test.equals(Level2VolumeScan.AR2V0001)) { System.out.println(" found header= " + test); raf.skipBytes(16); lookForHeader = false; } else { raf.skipBytes(-8); } } try { numCompBytes = raf.readInt(); if (numCompBytes == -1) { System.out.println("\n--done: numCompBytes=-1 "); break; } } catch (EOFException ee) { System.out.println("\n--got EOFException "); break; // assume this is ok } System.out.print(" " + numCompBytes + ","); if (numCompBytes < 0) { System.out.println("\n--last block " + numCompBytes); numCompBytes = -numCompBytes; if (!lookForHeader) eof = true; } raf.skipBytes(numCompBytes); } } catch (EOFException e) { e.printStackTrace(); } return raf.getFilePointer(); }
@Override public void run() { try { aes = new AESEncryptDecrypt(); while (bConnected) { String MsgFromClient = br.readLine(); if (MsgFromClient != null) { // Request for log in System.out.println(MsgFromClient); if (MsgFromClient.equals(LOGINREQUESTLABEL)) { userIdStr = br.readLine(); passwordStr = br.readLine(); passwordFromDB = DBAccess.getPasswordFromDB(userIdStr); priorityFromDB = DBAccess.getPriorityFromDB(userIdStr); System.out.println("password from db: " + passwordFromDB); // sent the LOGINRESPONSELABLE to client bw.write(LOGINRESPONSELABEL); bw.newLine(); bw.flush(); System.out.println(userIdStr); System.out.println(passwordStr); // System.out.println(passwordFromDB); // sent the log in result to client, fail or successful if (passwordFromDB != null && passwordStr.equals(passwordFromDB)) { if (priorityFromDB.equals("guest")) { bw.write(USERLOGINRESULT); bw.newLine(); bw.flush(); } else if (priorityFromDB.equals("admin")) { bw.write(ADMINLOGINRESULT); bw.newLine(); bw.flush(); } } else { bw.write(LOGINFAIL); bw.newLine(); bw.flush(); } } // Request for the MedRecordsPackage else if (MsgFromClient.equals(REQUESTMEDRECORDSPACKAGE)) { MedRecordsPackage MRP = DBAccess.getAllMedRecords(); oos = new ObjectOutputStream(socket.getOutputStream()); if (MRP != null) { oos.writeObject(MRP); oos.flush(); } } // Request for one MedRecord else if (MsgFromClient.equals(REQUESTONEMEDRECORD)) { MedRecord MR = DBAccess.getOneMedRecord(userIdStr); oos = new ObjectOutputStream(socket.getOutputStream()); if (MR != null) { oos.writeObject(MR); oos.flush(); } } // Request for update user's info else if (MsgFromClient.equals(REQUESTUPDATE)) { MedRecord mr = null; // wait to get the MedRecordsPackage try { ois = new ObjectInputStream(socket.getInputStream()); mr = (MedRecord) ois.readObject(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } if (mr != null) { DBAccess.updateMedRecord(mr); } } // App log out request else if (MsgFromClient.equals(APPLOGOUT)) { bConnected = false; } } } } catch (EOFException e) { e.printStackTrace(); System.out.println("Client disconnect!"); } catch (IOException e) { e.printStackTrace(); } finally { try { if (socket != null) socket.close(); if (br != null) br.close(); if (bw != null) bw.close(); if (ois != null) ois.close(); if (oos != null) oos.close(); // if (DBAccess != null) DBAccess.DBclose(); } catch (IOException e) { e.printStackTrace(); } } }
/** Network communication thread */ public void run() { while (!Thread.currentThread().isInterrupted() && getKeepRunning()) { try { // Starting the server (reuse & bind) System.out.println("k9d3 Starting the server (reuse & bind)"); mServerSocket = new ServerSocket(); mServerSocket.setReuseAddress(true); mServerSocket.bind(new InetSocketAddress(NetworkManager.PORT)); // Waiting for a client to connect System.out.println("k9d3 Waiting for a client to connect"); mClientSocket = mServerSocket.accept(); setConnectivity(true); // IO setup System.out.println("k9d3 IO setup"); in = new ObjectInputStream(mClientSocket.getInputStream()); out = new ObjectOutputStream(mClientSocket.getOutputStream()); out.flush(); // The first time a client is connected, you need to send him everything over the socket System.out.println( "k9d3 The first time a client is connected, you need to send him everything over the socket"); if (!mThread.isInterrupted() && getKeepRunning() && getConnectivity()) { mCallback.sendEverything(); } // Socket communication main loop System.out.println("k9d3 Socket communication main loop"); while (!Thread.currentThread().isInterrupted() && getKeepRunning() && getConnectivity()) { try { msg = (String) in.readObject(); processMessage(msg); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (EOFException e) { e.printStackTrace(); setConnectivity(false); } catch (SocketException e) { e.printStackTrace(); setConnectivity(false); } } } catch (IOException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { try { if (out != null) { synchronized (out) { out.close(); out = null; } } if (in != null) { in.close(); in = null; } if (mClientSocket != null) { mClientSocket.close(); mClientSocket = null; } if (mServerSocket != null) { mServerSocket.close(); mServerSocket = null; } } catch (IOException e) { e.printStackTrace(); } setConnectivity(false); } // finally } // while } // run
@SuppressWarnings("unchecked") public Map<String, ArrayList<Integer>[]> read(String file) { try { Map<String, ArrayList<Integer>[]> map = new TreeMap<String, ArrayList<Integer>[]>(); BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file))); String string = ""; String[] array1 = null, array2 = null; while ((string = reader.readLine()) != null) { array1 = string.split("#"); for (String data : array1) { array2 = data.split(":"); if (array2.length == 4) { if (!array2[0].equals("") || array2[0] != null) { ArrayList<Integer>[] list = new ArrayList[3]; list[0] = new ArrayList<Integer>(); for (String str : array2[1].replace("[", "").replace("]", "").split(", ")) { list[0].add(Integer.parseInt(str)); } list[1] = new ArrayList<Integer>(); for (String str : array2[2].replace("[", "").replace("]", "").split(", ")) { list[1].add(Integer.parseInt(str)); } list[2] = new ArrayList<Integer>(); for (String str : array2[3].replace("[", "").replace("]", "").split(", ")) { list[2].add(Integer.parseInt(str)); } map.put(array2[0], list); } } else if (array2.length == 5) { if (!array2[0].equals("") || array2[0] != null) { ArrayList<Integer>[] list = new ArrayList[4]; list[0] = new ArrayList<Integer>(); for (String str : array2[1].replace("[", "").replace("]", "").split(", ")) { list[0].add(Integer.parseInt(str)); } list[1] = new ArrayList<Integer>(); for (String str : array2[2].replace("[", "").replace("]", "").split(", ")) { list[1].add(Integer.parseInt(str)); } list[2] = new ArrayList<Integer>(); for (String str : array2[3].replace("[", "").replace("]", "").split(", ")) { list[2].add(Integer.parseInt(str)); } list[3] = new ArrayList<Integer>(); for (String str : array2[4].replace("[", "").replace("]", "").split(", ")) { list[3].add(Integer.parseInt(str)); } map.put(array2[0], list); } } } } reader.close(); return map; } catch (EOFException e) { e.printStackTrace(); return null; } catch (IOException e) { e.printStackTrace(); return null; } }