1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package examples;
18
19 import java.io.IOException;
20 import org.apache.commons.net.telnet.TelnetClient;
21
22 /***
23 * This is an example of a trivial use of the TelnetClient class.
24 * It connects to the weather server at the University of Michigan,
25 * um-weather.sprl.umich.edu port 3000, and allows the user to interact
26 * with the server via standard input. You could use this example to
27 * connect to any telnet server, but it is obviously not general purpose
28 * because it reads from standard input a line at a time, making it
29 * inconvenient for use with a remote interactive shell. The TelnetClient
30 * class used by itself is mostly intended for automating access to telnet
31 * resources rather than interactive use.
32 * <p>
33 ***/
34
35 // This class requires the IOUtil support class!
36 public final class weatherTelnet
37 {
38
39 public final static void main(String[] args)
40 {
41 TelnetClient telnet;
42
43 telnet = new TelnetClient();
44
45 try
46 {
47 telnet.connect("rainmaker.wunderground.com", 3000);
48 }
49 catch (IOException e)
50 {
51 e.printStackTrace();
52 System.exit(1);
53 }
54
55 IOUtil.readWrite(telnet.getInputStream(), telnet.getOutputStream(),
56 System.in, System.out);
57
58 try
59 {
60 telnet.disconnect();
61 }
62 catch (IOException e)
63 {
64 e.printStackTrace();
65 System.exit(1);
66 }
67
68 System.exit(0);
69 }
70
71 }
72
73