Examples of com.sun.messaging.jmq.io.Packet.readPacket()

com.sun.messaging.jmq.io.Packet.readPacket()
Read a packet from a ReadableByteChannel. This method may be used for blocking and non-blocking I/O. If you are using blocking I/O then you should specify "true" for 'block'. If you are using non-blocking then specify "false". Returns "true" if a complete packet has been read, else "false". If this method returns false then you may call it again (as many times as necessary) to try and complete the read. If 'block' is true, then the method will block until a complete packet is read. If the packet being read is larger than the limit set by setMaxPacketSize() then the packet bytes are skipped over and this method will throw a BigPacketException. At that point the packet is partially constructed, and only the header fields in the fixed portion of the packet are valid.

        assert ( dis !=  null );


        Packet roPkt = new Packet(false);
        roPkt.generateTimestamp(false);
        roPkt.generateSequenceNumber(false);
        roPkt.readPacket(dis);
        return roPkt;
    }


    public boolean needReply() {
        assert ( pkt != null );

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        for (int i = 0; i < msgCount; i++) {
            // Reconstruct the message
            Packet pkt = new Packet(false);
            pkt.generateTimestamp(false);
            pkt.generateSequenceNumber(false);
            pkt.readPacket(dis);


            SysMessageID mid = pkt.getSysMessageID();


            // Make sure dst exists; autocreate if possible
            Destination dst = Destination.getDestination(

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  ByteBuffer databuf = ByteBuffer.wrap(data);
  JMQByteBufferInputStream bis = new JMQByteBufferInputStream(databuf);
  Packet msg = new Packet(false);
        msg.generateTimestamp(false);
        msg.generateSequenceNumber(false);
  msg.readPacket(bis);
  bis.close();
  return msg;
    }


    private Packet parseMessage(VRecordRAF r) throws IOException {

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      pkt.generateTimestamp(false);
      pkt.generateSequenceNumber(false);


      // parse message
      if (parent.useFileChannel) {
    pkt.readPacket(r.getChannel(), false);
      } else {
    ByteBuffer buf = ByteBuffer.wrap(new byte[packetSize]);
    r.read(buf.array());
    JMQByteBufferInputStream bis =
        new JMQByteBufferInputStream(buf);

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      } else {
    ByteBuffer buf = ByteBuffer.wrap(new byte[packetSize]);
    r.read(buf.array());
    JMQByteBufferInputStream bis =
        new JMQByteBufferInputStream(buf);
    pkt.readPacket(bis);
    bis.close();
      }


      return pkt;
  } catch (Throwable t) {

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    msg = new Packet(false);
    msg.generateTimestamp(false);
    msg.generateSequenceNumber(false);
    InputStream is = useBlob ?
                    rs.getBlob(2).getBinaryStream() : rs.getBinaryStream(2);
    msg.readPacket(is);
    is.close();


                SysMessageID sysMsgID = msg.getSysMessageID();


                String dstID = rs.getString(3);

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                is = blob.getBinaryStream();
            } else {
                is = rs.getBinaryStream( 1 );
            }


            msg.readPacket(is);
            is.close();


            if (Store.getDEBUG()) {
                logger.log(Logger.DEBUG,
                    "Loaded message from database for "+ msg.getMessageID() );

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    msg.generateTimestamp(false);
    msg.generateSequenceNumber(false);
                InputStream is = null;
                Blob blob = rs.getBlob(2);
                is = blob.getBinaryStream();
    msg.readPacket(is);
    is.close();


                String dstID = rs.getString(3);
                long sessionID = rs.getLong(4);
                long createdTS = rs.getLong(5);

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