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1		/*
2		* Copyright 2001-2005 The Apache Software Foundation
3		*
4		* Licensed under the Apache License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at
7		*
8		* http://www.apache.org/licenses/LICENSE-2.0
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13		* See the License for the specific language governing permissions and
14		* limitations under the License.
15		*/
16
17		package examples.nntp;
18
19		import java.io.IOException;
20		import java.io.PrintWriter;
21		import java.net.SocketException;
22
23		import org.apache.commons.net.nntp.Article;
24		import org.apache.commons.net.nntp.NNTPClient;
25		import org.apache.commons.net.nntp.NewsgroupInfo;
26		import org.apache.commons.net.nntp.Threader;
27
28		import examples.PrintCommandListener;
29
30		public class MessageThreading {
31	0	public MessageThreading() {
32	0	}
33
34		public static void main(String[] args) throws SocketException, IOException {
35
36	0	if (args.length != 3)
37	0	usage();
38
39	0	String hostname = args[0];
40	0	String user = args[1];
41	0	String password = args[2];
42
43	0	NNTPClient client = new NNTPClient();
44	0	client.addProtocolCommandListener(new PrintCommandListener(class="keyword">new PrintWriter(System.out)));
45	0	client.connect(hostname);
46
47	0	if(!client.authenticate(user, password)) {
48	0	System.out.println("Authentication failed for user " + user + "!");
49	0	System.exit(1);
50		}
51
52	0	NewsgroupInfo group = new NewsgroupInfo();
53	0	client.selectNewsgroup("comp.lang.lisp", group);
54
55	0	int lowArticleNumber = group.getFirstArticle();
56	0	int highArticleNumber = lowArticleNumber + 100;
57
58	0	System.out.println("Retrieving articles between [" + lowArticleNumber + "] and [" + highArticleNumber + "]");
59	0	Article[] articles = NNTPUtils.getArticleInfo(client, lowArticleNumber, highArticleNumber);
60
61	0	System.out.println("Building message thread tree...");
62	0	Threader threader = new Threader();
63	0	Article root = (Article)threader.thread(articles);
64
65	0	Article.printThread(root, 0);
66
67	0	}
68
69
70		public static void usage() {
71	0	System.out.println("Usage: MessageThreading <hostname> <user> <password>");
72	0	System.exit(0);
73	0	}
74		}

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