/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.net.PrintCommandListener;
import org.apache.commons.net.nntp.Article;
import org.apache.commons.net.nntp.NNTPClient;
import org.apache.commons.net.nntp.NewsgroupInfo;
/**
* Simple class showing some of the extended commands (AUTH, XOVER, LIST ACTIVE)
*
* @author Rory Winston <rwinston@apache.org>
*/
public class ExtendedNNTPOps {
NNTPClient client;
public ExtendedNNTPOps() {
client = new NNTPClient();
client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
}
private void demo(String host, String user, String password) {
try {
client.connect(host);
// AUTHINFO USER/AUTHINFO PASS
if (user != null && password != null) {
boolean success = client.authenticate(user, password);
if (success) {
System.out.println("Authentication succeeded");
} else {
System.out.println("Authentication failed, error =" + client.getReplyString());
}
}
// XOVER
NewsgroupInfo testGroup = new NewsgroupInfo();
client.selectNewsgroup("alt.test", testGroup);
long lowArticleNumber = testGroup.getFirstArticleLong();
long highArticleNumber = lowArticleNumber + 100;
Iterable<Article> articles = client.iterateArticleInfo(lowArticleNumber, highArticleNumber);
for (Article article : articles) {
if (article.isDummy()) { // Subject will contain raw response
System.out.println("Could not parse: "+article.getSubject());
} else {
System.out.println(article.getSubject());
}
}
// LIST ACTIVE
NewsgroupInfo[] fanGroups = client.listNewsgroups("alt.fan.*");
for (int i = 0; i < fanGroups.length; ++i) {
System.out.println(fanGroups[i].getNewsgroup());
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
ExtendedNNTPOps ops;
int argc = args.length;
if (argc < 1) {
System.err.println("usage: ExtendedNNTPOps nntpserver [username password]");
System.exit(1);
}
ops = new ExtendedNNTPOps();
ops.demo(args[0], argc >=3 ? args[1] : null, argc >=3 ? args[2] : null);
}
}
/* Emacs configuration
* Local variables: **
* mode: java **
* c-basic-offset: 4 **
* indent-tabs-mode: nil **
* End: **
*/