/*
* 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.mina.example.sumup.codec;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.example.sumup.message.AbstractMessage;
import org.apache.mina.example.sumup.message.AddMessage;
import org.apache.mina.filter.codec.ProtocolDecoderOutput;
import org.apache.mina.filter.codec.demux.MessageDecoder;
/**
* A {@link MessageDecoder} that decodes {@link AddMessage}.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (Thu, 26 Jun 2008) $
*/
public class AddMessageDecoder extends AbstractMessageDecoder {
public AddMessageDecoder() {
super(Constants.ADD);
}
@Override
protected AbstractMessage decodeBody(IoSession session, IoBuffer in) {
if (in.remaining() < Constants.ADD_BODY_LEN) {
return null;
}
AddMessage m = new AddMessage();
m.setValue(in.getInt());
return m;
}
public void finishDecode(IoSession session, ProtocolDecoderOutput out)
throws Exception {
}
}