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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.filter.codec;
21  
22  import java.util.LinkedList;
23  import java.util.Queue;
24  
25  /**
26   * A {@link ProtocolDecoderOutput} based on queue.
27   *
28   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
29   */
30  public abstract class AbstractProtocolDecoderOutput implements ProtocolDecoderOutput {
31      private final Queue<Object> messageQueue = new LinkedList<Object>();
32  
33      public AbstractProtocolDecoderOutput() {
34          // Do nothing
35      }
36  
37      public Queue<Object> getMessageQueue() {
38          return messageQueue;
39      }
40  
41      public void write(Object message) {
42          if (message == null) {
43              throw new IllegalArgumentException("message");
44          }
45  
46          messageQueue.add(message);
47      }
48  }