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Java > Open Source Codes > org > apache > mina > filter > codec > support > SimpleProtocolDecoderOutput


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 JavaDoc;
23 import java.util.List JavaDoc;
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: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 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 JavaDoc<Object JavaDoc> messageQueue = new ArrayList JavaDoc<Object JavaDoc>();
43
44     public SimpleProtocolDecoderOutput(IoSession session, NextFilter nextFilter) {
45         this.nextFilter = nextFilter;
46         this.session = session;
47     }
48
49     public void write(Object JavaDoc 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     }
62 }
63
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