001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.mina.filter.codec;
021
022import java.util.LinkedList;
023import java.util.Queue;
024
025/**
026 * A {@link ProtocolDecoderOutput} based on queue.
027 *
028 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
029 */
030public abstract class AbstractProtocolDecoderOutput implements ProtocolDecoderOutput {
031    private final Queue<Object> messageQueue = new LinkedList<Object>();
032
033    public AbstractProtocolDecoderOutput() {
034        // Do nothing
035    }
036
037    public Queue<Object> getMessageQueue() {
038        return messageQueue;
039    }
040
041    public void write(Object message) {
042        if (message == null) {
043            throw new IllegalArgumentException("message");
044        }
045
046        messageQueue.add(message);
047    }
048}