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Java > Open Source Codes > org > apache > mina > handler > chain > ChainedIoHandlerTest


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.handler.chain;
21
22 import java.net.SocketAddress JavaDoc;
23
24 import junit.framework.Assert;
25 import junit.framework.TestCase;
26
27 import org.apache.mina.common.IoFilterChain;
28 import org.apache.mina.common.IoHandler;
29 import org.apache.mina.common.IoServiceConfig;
30 import org.apache.mina.common.IoSession;
31 import org.apache.mina.common.IoService;
32 import org.apache.mina.common.IoSessionConfig;
33 import org.apache.mina.common.TransportType;
34 import org.apache.mina.common.support.BaseIoSession;
35
36 /**
37  * A test case for {@link ChainedIoHandler}.
38  *
39  * @author The Apache Directory Project (mina-dev@directory.apache.org)
40  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $
41  */
42 public class ChainedIoHandlerTest extends TestCase {
43     public static void main(String JavaDoc[] args) {
44         junit.textui.TestRunner.run(ChainedIoHandlerTest.class);
45     }
46
47     public void testChainedCommand() throws Exception JavaDoc {
48         IoHandlerChain chain = new IoHandlerChain();
49         StringBuffer JavaDoc buf = new StringBuffer JavaDoc();
50         chain.addLast("A", new TestCommand(buf, 'A'));
51         chain.addLast("B", new TestCommand(buf, 'B'));
52         chain.addLast("C", new TestCommand(buf, 'C'));
53
54         new ChainedIoHandler(chain).messageReceived(new BaseIoSession() {
55             protected void updateTrafficMask() {
56             }
57
58             public IoService getService() {
59                 return null;
60             }
61
62             public IoServiceConfig getServiceConfig() {
63                 return null;
64             }
65
66             public IoHandler getHandler() {
67                 return null;
68             }
69
70             public IoFilterChain getFilterChain() {
71                 return null;
72             }
73
74             public TransportType getTransportType() {
75                 return null;
76             }
77
78             public SocketAddress JavaDoc getRemoteAddress() {
79                 return null;
80             }
81
82             public SocketAddress JavaDoc getLocalAddress() {
83                 return null;
84             }
85
86             public int getScheduledWriteRequests() {
87                 return 0;
88             }
89
90             public IoSessionConfig getConfig() {
91                 return null;
92             }
93
94             public SocketAddress JavaDoc getServiceAddress() {
95                 return null;
96             }
97
98             public int getScheduledWriteBytes() {
99                 return 0;
100             }
101         }, null);
102
103         Assert.assertEquals("ABC", buf.toString());
104     }
105
106     private class TestCommand implements IoHandlerCommand {
107         private final StringBuffer JavaDoc buf;
108
109         private final char ch;
110
111         private TestCommand(StringBuffer JavaDoc buf, char ch) {
112             this.buf = buf;
113             this.ch = ch;
114         }
115
116         public void execute(NextCommand next, IoSession session, Object JavaDoc message)
117                 throws Exception JavaDoc {
118             buf.append(ch);
119             next.execute(session, message);
120         }
121     }
122 }
123
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