/*
* Copyright 2001-2005 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package examples.nntp;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.SocketException;
import org.apache.commons.net.nntp.Article;
import org.apache.commons.net.nntp.NNTPClient;
import org.apache.commons.net.nntp.NewsgroupInfo;
import org.apache.commons.net.nntp.Threader;
import examples.PrintCommandListener;
public class MessageThreading {
public MessageThreading() {
}
public static void main(String[] args) throws SocketException, IOException {
if (args.length != 3)
usage();
String hostname = args[0];
String user = args[1];
String password = args[2];
NNTPClient client = new NNTPClient();
client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
client.connect(hostname);
if(!client.authenticate(user, password)) {
System.out.println("Authentication failed for user " + user + "!");
System.exit(1);
}
NewsgroupInfo group = new NewsgroupInfo();
client.selectNewsgroup("comp.lang.lisp", group);
int lowArticleNumber = group.getFirstArticle();
int highArticleNumber = lowArticleNumber + 100;
System.out.println("Retrieving articles between [" + lowArticleNumber + "] and [" + highArticleNumber + "]");
Article[] articles = NNTPUtils.getArticleInfo(client, lowArticleNumber, highArticleNumber);
System.out.println("Building message thread tree...");
Threader threader = new Threader();
Article root = (Article)threader.thread(articles);
Article.printThread(root, 0);
}
public static void usage() {
System.out.println("Usage: MessageThreading <hostname> <user> <password>");
System.exit(0);
}
}