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 /** The queue where decoded messages are stored */
32 private final Queue<Object> messageQueue = new LinkedList<>();
33
34 /**
35 * Creates a new instance of a AbstractProtocolDecoderOutput
36 */
37 public AbstractProtocolDecoderOutput() {
38 // Do nothing
39 }
40
41 /**
42 * @return The decoder's message queue
43 */
44 public Queue<Object> getMessageQueue() {
45 return messageQueue;
46 }
47
48 /**
49 * {@inheritDoc}
50 */
51 @Override
52 public void write(Object message) {
53 if (message == null) {
54 throw new IllegalArgumentException("message");
55 }
56
57 messageQueue.add(message);
58 }
59 }