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 */
017package org.apache.activemq.transport;
018
019import java.io.IOException;
020
021import org.apache.activemq.command.Command;
022import org.apache.activemq.wireformat.WireFormat;
023
024public 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}