Save This Page
Home » activemq-parent-5.3.1-source-release » org.apache » activemq » kaha » [javadoc | source]
    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  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   package org.apache.activemq.kaha;
   18   
   19   import java.io.DataInput;
   20   import java.io.DataOutput;
   21   import java.io.IOException;
   22   
   23   import org.apache.activemq.openwire.OpenWireFormat;
   24   import org.apache.activemq.util.ByteSequence;
   25   import org.apache.activemq.wireformat.WireFormat;
   26   
   27   /**
   28    * Marshall a Message or a MessageReference
   29    * 
   30    * @version $Revision: 1.10 $
   31    */
   32   public class CommandMarshaller implements Marshaller<Object> {
   33   
   34       private WireFormat wireFormat;
   35   
   36       public CommandMarshaller(WireFormat wireFormat) {
   37           this.wireFormat = wireFormat;
   38   
   39       }
   40   
   41       public CommandMarshaller() {
   42           this(new OpenWireFormat());
   43       }
   44   
   45       public void writePayload(Object object, DataOutput dataOut) throws IOException {
   46           ByteSequence packet = wireFormat.marshal(object);
   47           dataOut.writeInt(packet.length);
   48           dataOut.write(packet.data, packet.offset, packet.length);
   49       }
   50   
   51       public Object readPayload(DataInput dataIn) throws IOException {
   52           int size = dataIn.readInt();
   53           byte[] data = new byte[size];
   54           dataIn.readFully(data);
   55           return wireFormat.unmarshal(new ByteSequence(data));
   56       }
   57   }

Save This Page
Home » activemq-parent-5.3.1-source-release » org.apache » activemq » kaha » [javadoc | source]