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    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18
    19  package org.codehaus.activemq.message;
    20  import java.io.DataOutput;
    21  import java.io.IOException;
    22
    23  /***
    24   * Writes a ConsumerInfo object to a Stream
    25   */
    26  public class WireFormatInfoWriter extends AbstractPacketWriter {
    27      /***
    28       * Return the type of Packet
    29       *
    30       * @return integer representation of the type of Packet
    31       */
    32      public int getPacketType() {
    33          return Packet.WIRE_FORMAT_INFO;
    34      }
    35
    36      /***
    37       * Write a Packet instance to data output stream
    38       *
    39       * @param packet the instance to be seralized
    40       * @param dataOut the output stream
    41       * @throws IOException thrown if an error occurs
    42       */
    43      public void writePacket(Packet packet, DataOutput dataOut) throws IOException {
    44          super.writePacket(packet, dataOut);
    45          WireFormatInfo info = (WireFormatInfo) packet;
    46          dataOut.writeInt(info.getVersion());
    47      }
    48  }