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.Queue;
23
24 import org.apache.mina.util.CircularQueue;
25
26 /**
27 * A {@link ProtocolDecoderOutput} based on queue.
28 *
29 * @author The Apache MINA Project (dev@mina.apache.org)
30 */
31 public abstract class AbstractProtocolDecoderOutput implements ProtocolDecoderOutput {
32 private final Queue<Object> messageQueue = new CircularQueue<Object>();
33
34 public AbstractProtocolDecoderOutput() {
35 // Do nothing
36 }
37
38 public Queue<Object> getMessageQueue() {
39 return messageQueue;
40 }
41
42 public void write(Object message) {
43 if (message == null) {
44 throw new NullPointerException("message");
45 }
46
47 messageQueue.add(message);
48 }
49 }