001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.transport;
018    
019    import java.io.IOException;
020    
021    import org.apache.activemq.command.Command;
022    import org.apache.activemq.wireformat.WireFormat;
023    
024    public class MarshallingTransportFilter extends TransportFilter {
025    
026        private final WireFormat localWireFormat;
027        private final WireFormat remoteWireFormat;
028    
029        public MarshallingTransportFilter(Transport next, WireFormat localWireFormat, WireFormat remoteWireFormat) {
030            super(next);
031            this.localWireFormat = localWireFormat;
032            this.remoteWireFormat = remoteWireFormat;
033        }
034        
035        public void oneway(Object command) throws IOException {
036            next.oneway((Command) remoteWireFormat.unmarshal(localWireFormat.marshal(command)));
037        }
038        
039        public void onCommand(Object command) {
040            try {
041                getTransportListener().onCommand((Command)localWireFormat.unmarshal(remoteWireFormat.marshal(command)));
042            } catch (IOException e) {
043                getTransportListener().onException(e);
044            }
045        }
046        
047    }