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.camel.impl;
018
019import java.io.IOException;
020import java.io.InputStream;
021import java.io.ObjectInput;
022import java.io.ObjectOutput;
023import java.io.OutputStream;
024
025import org.apache.camel.Exchange;
026import org.apache.camel.spi.DataFormat;
027import org.apache.camel.spi.DataFormatName;
028import org.apache.camel.util.ExchangeHelper;
029
030/**
031 * The <a href="http://camel.apache.org/data-format.html">data format</a>
032 * using Java Serialization.
033 *
034 * @version 
035 */
036public class SerializationDataFormat extends org.apache.camel.support.ServiceSupport implements DataFormat, DataFormatName {
037
038    @Override
039    public String getDataFormatName() {
040        return "serialization";
041    }
042
043    public void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception {
044        ObjectOutput out = ExchangeHelper.convertToMandatoryType(exchange, ObjectOutput.class, stream);
045        try {
046            out.writeObject(graph);
047        } finally {
048            out.flush();
049            try {
050                out.close();
051            } catch (IOException e) {
052                // ignore
053            }
054        }
055    }
056
057    public Object unmarshal(Exchange exchange, InputStream stream) throws Exception {
058        ObjectInput in = ExchangeHelper.convertToMandatoryType(exchange, ObjectInput.class, stream);
059        try {
060            return in.readObject();
061        } finally {
062            try {
063                in.close();
064            } catch (IOException e) {
065                // ignore
066            }
067        }
068    }
069
070    @Override
071    protected void doStart() throws Exception {
072        // noop
073    }
074
075    @Override
076    protected void doStop() throws Exception {
077        // noop
078    }
079}