/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.utils.codec.impl;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Logger;
import com.caucho.hessian.io.HessianOutput;
import com.taobao.metamorphosis.utils.codec.Serializer;
/**
*
* @author wuxin
* @since 1.0, 2009-10-20 ����10:03:24
*/
public class Hessian1Serializer implements Serializer {
private final Log logger = LogFactory.getLog(Hessian1Serializer.class);
/**
* @see com.taobao.notify.codec.Serializer#encodeObject(Object)
*/
@Override
public byte[] encodeObject(final Object obj) throws IOException {
ByteArrayOutputStream baos = null;
HessianOutput output = null;
try {
baos = new ByteArrayOutputStream(1024);
output = new HessianOutput(baos);
output.startCall();
output.writeObject(obj);
output.completeCall();
}
catch (final IOException ex) {
throw ex;
}
finally {
if (output != null) {
try {
baos.close();
}
catch (final IOException ex) {
this.logger.error("Failed to close stream.", ex);
}
}
}
return baos != null ? baos.toByteArray() : null;
}
}