/*
* Copyright 1999-2011 Alibaba Group.
*
* 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.
*/
package com.alibaba.dubbo.remoting.transport.codec;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import com.alibaba.dubbo.common.serialize.ObjectInput;
import com.alibaba.dubbo.common.serialize.ObjectOutput;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.remoting.Channel;
import com.alibaba.dubbo.remoting.buffer.ChannelBuffer;
import com.alibaba.dubbo.remoting.buffer.ChannelBufferInputStream;
import com.alibaba.dubbo.remoting.buffer.ChannelBufferOutputStream;
import com.alibaba.dubbo.remoting.transport.AbstractCodec;
/**
* TransportCodec
*
* @author william.liangf
*/
public class TransportCodec extends AbstractCodec {
public void encode(Channel channel, ChannelBuffer buffer, Object message) throws IOException {
OutputStream output = new ChannelBufferOutputStream(buffer);
ObjectOutput objectOutput = getSerialization(channel).serialize(channel.getUrl(), output);
encodeData(channel, objectOutput, message);
objectOutput.flushBuffer();
}
public Object decode(Channel channel, ChannelBuffer buffer) throws IOException {
InputStream input = new ChannelBufferInputStream(buffer);
return decodeData(channel, getSerialization(channel).deserialize(channel.getUrl(), input));
}
protected void encodeData(Channel channel, ObjectOutput output, Object message) throws IOException {
encodeData(output, message);
}
protected Object decodeData(Channel channel, ObjectInput input) throws IOException {
return decodeData(input);
}
protected void encodeData(ObjectOutput output, Object message) throws IOException {
output.writeObject(message);
}
protected Object decodeData(ObjectInput input) throws IOException {
try {
return input.readObject();
} catch (ClassNotFoundException e) {
throw new IOException("ClassNotFoundException: " + StringUtils.toString(e));
}
}
}