Examples of com.caucho.vfs.WriteStream

com.caucho.vfs.WriteStream
A fast bufferered output stream supporting both character and byte data. The underlying stream sources are provided by StreamImpl classes, so all streams have the same API regardless of the underlying implementation.
OutputStream and Writers are combined. The write routines write bytes and the print routines write characters.
Most applications will use the Path routines to create their own streams. Specialized applications, like servers, need the capability of recycling streams.

  public void init(HttpServletResponse response)
  {
    _bodyStream = new BodyResponseStream();
   _stream = _bodyStream;
    
    _out = new WriteStream(_tempStream);
    _bodyStream.setWriter(_out.getPrintWriter());
    
    setResponse(response);
    _response = response;

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   * complete the response.
   */
  public void close()
    throws IOException
  {
    WriteStream out = _out;
    _out = null;


    if (out != null)
      out.close();
  }

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  }


  public String completeJsf()
    throws IOException
  {
    WriteStream out = _out;
    _out = null;


    if (out != null)
      out.flush();
    
    ReadStream rs = _tempStream.openRead();
    StringBuilder sb = new StringBuilder();
    
    int ch;

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    try {
      HmuxStream stream = (HmuxStream) openReadWriteImpl();
      stream.setMethod("PROPFIND");
      stream.setAttribute("Depth", "1");


      WriteStream os = new WriteStream(stream);
      os.println("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
      os.println("<propfind xmlns=\"DAV:\"><prop>");
      os.println("<resourcetype/>");
      os.println("</prop></propfind>");
      os.flush();


      ReadStream is = new ReadStream(stream);
    
      ListHandler handler = new ListHandler(getPath());
      XmlParser parser = new XmlParser();
      parser.setContentHandler(handler);


      parser.parse(is);


      is.close();
      os.close();
      stream.close();


      ArrayList<String> names = handler.getNames();
      String []list = new String[names.size()];
      names.toArray(list);

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  @Override
  protected WriteStream openWrite(HttpServletResponse response)
    throws IOException
  {
    WriteStream ws;
    
    // XXX: check if correct.  PHP doesn't expect the lower levels
    // to deal with the encoding, so this may be okay
    if (response instanceof CauchoResponse) {
      ws = Vfs.openWrite(((CauchoResponse) response).getResponseStream());

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    } catch (Exception e) {
      log().log(Level.ALL, e.toString(), e);
    }
    
    // #4333 - check watchdog-manager.log can be written
    WriteStream testOut = logPath.openAppend();
    testOut.close();
    
    if (! logPath.canWrite()) {
      throw new ConfigException("Cannot open " + logPath.getNativePath()
                                + " required for Resin start. Please check permissions");
    }


    RotateStream logStream = RotateStream.create(logPath);
    logStream.setRolloverSize(64L * 1024 * 1024);
    logStream.init();
    WriteStream out = logStream.getStream();
    out.setDisableClose(true);


    EnvironmentStream.setStdout(out);
    EnvironmentStream.setStderr(out);


    LogHandlerConfig log = new LogHandlerConfig();

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    public void request(InputStream is, OutputStream os)
      throws IOException
    {
      Thread.yield();


      WriteStream out = Vfs.openWrite(os);
      out.setDisableClose(true);


      ClassLoader oldLoader = Thread.currentThread().getContextClassLoader();
      try {
        _vfsStream.init(is, os);
        _conn.setStream(is, os);
        _conn.setLocalAddress(_localAddress);
        _conn.setLocalPort(_port);
        _conn.setRemoteAddress(_remoteAddress);
        _conn.setRemotePort(9666);
        // _conn.setSecure(_isSecure);


        try {
          Thread.sleep(10);
        } catch (Exception e) {
        }


        while (_request.handleRequest()) {
          out.flush();
        }
      } catch (EOFException e) {
      } finally {
        out.flush();


        Thread.currentThread().setContextClassLoader(oldLoader);
      }
    }

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    try {
      _socket = new Socket(host, port);
      _socket.setSoTimeout(10000);
      SocketStream s = new SocketStream(_socket);
    
      _os = new WriteStream(s);
      _is = new ReadStream(s, _os);


      String line = _is.readLine();
      
      log.fine("smtp connection to " + host + ":" + port + " succeeded");

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    throws MessagingException
  {
    Socket socket = _socket;
    _socket = null;


    WriteStream os = _os;
    _os = null;
    
    setConnected(false);


    try {
      if (os != null) {
        os.print("QUIT\r\n");
        os.flush();
      }
    } catch (IOException e) {
    }


    try {

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    EnvironmentClassLoader envLoader
      = EnvironmentClassLoader.create(_system.getClassLoader());
    
    Thread thread = Thread.currentThread();
    
    WriteStream jvmOut = null;
    ServerSocket ss = null;
    Socket s = null;


    try {
      thread.setContextClassLoader(envLoader);
      envLoader.start();


      ss = new ServerSocket(0, 5, InetAddress.getByName("127.0.0.1"));


      int port = ss.getLocalPort();


      log.warning("Watchdog starting Resin[" + _watchdog.getId() + "]");


      jvmOut = createJvmOut();
      
      _process = createProcess(port, jvmOut);
      
      if (_process != null) {
        if (_process instanceof JniProcess)
          _pid = ((JniProcess) _process).getPid();
        else
          _pid = 0;


        InputStream stdIs = _process.getInputStream();
        _stdOs = _process.getOutputStream();


        WatchdogProcessLogThread logThread
          = new WatchdogProcessLogThread(stdIs, jvmOut);


        ThreadPool.getCurrent().start(logThread);


        s = connectToChild(ss);
        
        message(new StartInfoMessage(_watchdog.isRestart(),
                                     _watchdog.getRestartMessage()));


        _status = _process.waitFor();


        logStatus(_status);
      }
    } catch (Exception e) {
      log.log(Level.WARNING, e.toString(), e);


      try {
        Thread.sleep(5000);
      } catch (Exception e1) {
      }
    } catch (Throwable e) {
      log.log(Level.WARNING, e.toString(), e);
    } finally {
      if (ss != null) {
        try {
          ss.close();
        } catch (Exception e) {
        }
      }


      try {
        if (s != null)
          s.close();
      } catch (Throwable e) {
        log.log(Level.FINER, e.toString(), e);
      }


      kill();


      if (jvmOut != null && ! _watchdog.isConsole()) {
        try {
          synchronized (jvmOut) {
            jvmOut.close();
          }
        } catch (Exception e) {
        }
      }

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