Examples of java.io.DataOutputStream

java.io.DataOutputStream
DataOutputStream is a filter class which can write typed data to a Stream. Typically, this stream can be read in by a DataInputStream. Types that can be written include byte, 16-bit short, 32-bit int, 32-bit float, 64-bit long, 64-bit double, byte strings, and UTF Strings. @see DataInputStream

  }


  private void startMessage(char newMessageType) {
    this.messageType = newMessageType;
    this.outBuffer = new ByteArrayOutputStream();
    this.dataOut = new DataOutputStream(this.outBuffer);
  }

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            // get an input stream to read data from ... AFTER we have
            // the ok to go ahead AND AFTER we've successfully opened a
            // stream for the local file
            out = 
                new BufferedOutputStream(
                        new DataOutputStream(client.getOutputStream()), client.getTransferBufferSize()*2);


        } 
        catch (IOException ex) {
            client.validateTransferOnError(ex);
            throw ex;

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        }


        synchronized(map) {
            for(Map.Entry<Address,ConnectionHandler> entry: map.entrySet()) {
                ConnectionHandler handler=entry.getValue();
                DataOutputStream dos=handler.output;


                if(dos != null) {
                    try {
                        sendToMember(null, dos, msg);
                    }

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                    continue;
                Map<Address, ConnectionHandler> map = routingTable.get(group);
                if (map != null && !map.isEmpty()) {
                    for (Iterator<Entry<Address, ConnectionHandler>> i = map.entrySet().iterator(); i.hasNext();) {
                        ConnectionHandler entry = i.next().getValue();
                        DataOutputStream stream = entry.output;
                        try {
                            for (Address a : ch.logical_addrs) {
                                GossipData suspect = new GossipData(GossipRouter.SUSPECT);
                                suspect.writeTo(stream);
                                Util.writeAddress(a, stream);
                                stream.flush();
                            }
                        } catch (Exception ioe) {
                            // intentionally ignored
                        }
                    }

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        private long timestamp;


        public ConnectionHandler(Socket sock) throws IOException {
            this.sock=sock;
            this.input=new DataInputStream(sock.getInputStream());
            this.output=new DataOutputStream(sock.getOutputStream());
        }

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                if (szFormat == this.szCaptureFormat) {
                    break;
                }
            }
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            dos.writeInt(nSource);
            dos.writeInt(nCapture);
            dos.writeInt(this.nCurrentHeight);
            dos.writeInt(this.nCurrentWidth);
            dos.flush();
            baos.flush();
            byte[] bRes = baos.toByteArray();
            dos = null;
            baos = null;
            rs.addRecord(bRes, 0, bRes.length);

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        public byte[] objectToByteBuffer(Object obj) throws Exception {


            ByteArrayOutputStream out_stream=new ByteArrayOutputStream(35);
            DataOutputStream out=new DataOutputStream(out_stream);
            try {
                if(obj == null) {
                    out_stream.write(NULL);
                    out_stream.flush();
                    return out_stream.toByteArray();
                }
                if(obj instanceof MethodCall) {
                    out.writeByte(METHOD_CALL);
                    MethodCall call=(MethodCall)obj;
                    out.writeShort(call.getId());
                    Object[] args=call.getArgs();
                    if(args == null || args.length == 0) {
                        out.writeShort(0);
                    }
                    else {
                        out.writeShort(args.length);
                        for(int i=0; i < args.length; i++) {
                            Util.objectToStream(args[i], out);
                        }
                    }
                }
                else if(obj instanceof Cache.Value) {
                    Cache.Value value=(Cache.Value)obj;
                    out.writeByte(VALUE);
                    out.writeLong(value.getTimeout());
                    Util.objectToStream(value.getValue(), out);
                }
                else {
                    out.writeByte(OBJ);
                    Util.objectToStream(obj, out);
                }
                out.flush();
                return out_stream.toByteArray();
            }
            finally {
                Util.close(out);
            }

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        protected final UUID session_id=UUID.randomUUID();


        public Connection(Socket sock) throws IOException {
            this.sock=sock;
            this.in=new DataInputStream(sock.getInputStream());
            this.out=new DataOutputStream(sock.getOutputStream());
        }

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    if (!dir.isDirectory())
      throw new FileNotFoundException(path + " is not a directory.");


    // Saves the transaction classname in order to prevent use of a
    // different one after restart (see AgentServer.init).
    DataOutputStream ldos = null;
    try {
      File tfc = new File(dir, "TFC");
      if (! tfc.exists()) {
        ldos = new DataOutputStream(new FileOutputStream(tfc));
        ldos.writeUTF(getClass().getName());
        ldos.flush();
      }
    } finally {
      if (ldos != null) ldos.close();
    }


    initRepository();
    
    perThreadContext = new ThreadLocal() {

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    if (!dir.isDirectory())
      throw new FileNotFoundException(path + " is not a directory.");


    // Saves the transaction classname in order to prevent use of a
    // different one after restart (see AgentServer.init).
    DataOutputStream dos = null;
    try {
      File tfc = new File(dir, "TFC");
      if (! tfc.exists()) {
        dos = new DataOutputStream(new FileOutputStream(tfc));
        dos.writeUTF(getClass().getName());
        dos.flush();
      }
    } finally {
      if (dos != null) dos.close();
    }


    LogThresholdOperation = Configuration.getInteger("LogThresholdOperation", LogThresholdOperation).intValue();
    Operation.initPool(LogThresholdOperation);

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