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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.dubbo.remoting.transport.codec;
import org.apache.dubbo.common.serialize.Cleanable;
import org.apache.dubbo.common.serialize.ObjectInput;
import org.apache.dubbo.common.serialize.ObjectOutput;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.remoting.Channel;
import org.apache.dubbo.remoting.buffer.ChannelBuffer;
import org.apache.dubbo.remoting.buffer.ChannelBufferInputStream;
import org.apache.dubbo.remoting.buffer.ChannelBufferOutputStream;
import org.apache.dubbo.remoting.transport.AbstractCodec;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Subclasses {@link org.apache.dubbo.remoting.telnet.codec.TelnetCodec} and {@link org.apache.dubbo.remoting.exchange.codec.ExchangeCodec}
* both override all the methods declared in this class.
*/
@Deprecated
public class TransportCodec extends AbstractCodec {
@Override
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();
if (objectOutput instanceof Cleanable) {
((Cleanable) objectOutput).cleanup();
}
}
@Override
public Object decode(Channel channel, ChannelBuffer buffer) throws IOException {
InputStream input = new ChannelBufferInputStream(buffer);
ObjectInput objectInput = getSerialization(channel).deserialize(channel.getUrl(), input);
Object object = decodeData(channel, objectInput);
if (objectInput instanceof Cleanable) {
((Cleanable) objectInput).cleanup();
}
return object;
}
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));
}
}
}