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.support;
21
22 import java.util.ArrayList;
23 import java.util.List;
24
25 import org.apache.mina.common.IoFilter.NextFilter;
26 import org.apache.mina.common.IoSession;
27 import org.apache.mina.common.support.BaseIoSession;
28 import org.apache.mina.filter.codec.ProtocolDecoderOutput;
29
30 /**
31 * A {@link ProtocolDecoderOutput} based on queue.
32 *
33 * @author The Apache Directory Project (mina-dev@directory.apache.org)
34 * @version $Rev: 560326 $, $Date: 2007-07-28 02:30:25 +0900 (Sat, 28 Jul 2007) $
35 *
36 */
37 public class SimpleProtocolDecoderOutput implements ProtocolDecoderOutput {
38 private final NextFilter nextFilter;
39
40 private final IoSession session;
41
42 private final List<Object> messageQueue = new ArrayList<Object>();
43
44 public SimpleProtocolDecoderOutput(IoSession session, NextFilter nextFilter) {
45 this.nextFilter = nextFilter;
46 this.session = session;
47 }
48
49 public void write(Object message) {
50 messageQueue.add(message);
51 if (session instanceof BaseIoSession) {
52 ((BaseIoSession) session).increaseReadMessages();
53 }
54 }
55
56 public void flush() {
57 while (!messageQueue.isEmpty()) {
58 nextFilter.messageReceived(session, messageQueue.remove(0));
59 }
60 }
61 }