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Java > Open Source Codes > org > apache > mina > example > sumup > Client


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.example.sumup;
21
22 import java.net.InetSocketAddress JavaDoc;
23
24 import org.apache.mina.common.ConnectFuture;
25 import org.apache.mina.common.IoSession;
26 import org.apache.mina.common.RuntimeIOException;
27 import org.apache.mina.example.sumup.codec.SumUpProtocolCodecFactory;
28 import org.apache.mina.filter.LoggingFilter;
29 import org.apache.mina.filter.codec.ProtocolCodecFilter;
30 import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory;
31 import org.apache.mina.transport.socket.nio.SocketConnector;
32 import org.apache.mina.transport.socket.nio.SocketConnectorConfig;
33
34 /**
35  * (<strong>Entry Point</strong>) Starts SumUp client.
36  *
37  * @author The Apache Directory Project (mina-dev@directory.apache.org)
38  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $
39  */
40 public class Client {
41     private static final String JavaDoc HOSTNAME = "localhost";
42
43     private static final int PORT = 8080;
44
45     private static final int CONNECT_TIMEOUT = 30; // seconds
46
47     // Set this to false to use object serialization instead of custom codec.
48 private static final boolean USE_CUSTOM_CODEC = true;
49
50     public static void main(String JavaDoc[] args) throws Throwable JavaDoc {
51         if (args.length == 0) {
52             System.out.println("Please specify the list of any integers");
53             return;
54         }
55
56         // prepare values to sum up
57 int[] values = new int[args.length];
58         for (int i = 0; i < args.length; i++) {
59             values[i] = Integer.parseInt(args[i]);
60         }
61
62         SocketConnector connector = new SocketConnector();
63
64         // Change the worker timeout to 1 second to make the I/O thread quit soon
65 // when there's no connection to manage.
66 connector.setWorkerTimeout(1);
67
68         // Configure the service.
69 SocketConnectorConfig cfg = new SocketConnectorConfig();
70         cfg.setConnectTimeout(CONNECT_TIMEOUT);
71         if (USE_CUSTOM_CODEC) {
72             cfg.getFilterChain().addLast(
73                     "codec",
74                     new ProtocolCodecFilter(
75                             new SumUpProtocolCodecFactory(false)));
76         } else {
77             cfg.getFilterChain().addLast(
78                     "codec",
79                     new ProtocolCodecFilter(
80                             new ObjectSerializationCodecFactory()));
81         }
82         cfg.getFilterChain().addLast("logger", new LoggingFilter());
83
84         IoSession session;
85         for (;;) {
86             try {
87                 ConnectFuture future = connector.connect(new InetSocketAddress JavaDoc(
88                         HOSTNAME, PORT), new ClientSessionHandler(values), cfg);
89
90                 future.join();
91                 session = future.getSession();
92                 break;
93             } catch (RuntimeIOException e) {
94                 System.err.println("Failed to connect.");
95                 e.printStackTrace();
96                 Thread.sleep(5000);
97             }
98         }
99
100         // wait until the summation is done
101 session.getCloseFuture().join();
102     }
103 }
104
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