| /* |
| * 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 org.apache.commons.net.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) |
| */ |
| public class ExtendedNNTPOps { |
| |
| |
| private NNTPClient client; |
| |
| public ExtendedNNTPOps() { |
| client = new NNTPClient(); |
| client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true)); |
| } |
| |
| |
| private void demo(final String host, final String user, final String password) { |
| try { |
| client.connect(host); |
| |
| // AUTHINFO USER/AUTHINFO PASS |
| if (user != null && password != null) { |
| final boolean success = client.authenticate(user, password); |
| if (success) { |
| System.out.println("Authentication succeeded"); |
| } else { |
| System.out.println("Authentication failed, error =" + client.getReplyString()); |
| } |
| } |
| |
| // XOVER |
| final NewsgroupInfo testGroup = new NewsgroupInfo(); |
| client.selectNewsgroup("alt.test", testGroup); |
| final long lowArticleNumber = testGroup.getFirstArticleLong(); |
| final long highArticleNumber = lowArticleNumber + 100; |
| final Iterable<Article> articles = client.iterateArticleInfo(lowArticleNumber, highArticleNumber); |
| |
| for (final 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 |
| final NewsgroupInfo[] fanGroups = client.listNewsgroups("alt.fan.*"); |
| for (final NewsgroupInfo fanGroup : fanGroups) |
| { |
| System.out.println(fanGroup.getNewsgroup()); |
| } |
| |
| } catch (final IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void main(final String[] args) { |
| ExtendedNNTPOps ops; |
| |
| final 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: ** |
| */ |