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.camel.impl;
018    
019    import java.io.IOException;
020    import java.io.InputStream;
021    import java.io.ObjectInput;
022    import java.io.ObjectOutput;
023    import java.io.OutputStream;
024    
025    import org.apache.camel.Exchange;
026    import org.apache.camel.spi.DataFormat;
027    import org.apache.camel.util.ExchangeHelper;
028    
029    /**
030     * The <a href="http://camel.apache.org/data-format.html">data format</a>
031     * using Java Serialiation.
032     *
033     * @version 
034     */
035    public class SerializationDataFormat implements DataFormat {
036    
037        public void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception {
038            ObjectOutput out = ExchangeHelper.convertToMandatoryType(exchange, ObjectOutput.class, stream);
039            try {
040                out.writeObject(graph);
041            } finally {
042                out.flush();
043                try {
044                    out.close();
045                } catch (IOException e) {
046                    // ignore
047                }
048            }
049        }
050    
051        public Object unmarshal(Exchange exchange, InputStream stream) throws Exception {
052            ObjectInput in = ExchangeHelper.convertToMandatoryType(exchange, ObjectInput.class, stream);
053            try {
054                return in.readObject();
055            } finally {
056                try {
057                    in.close();
058                } catch (IOException e) {
059                    // ignore
060                }
061            }
062        }
063    }