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1 package examples; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Commons" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import java.io.BufferedReader; 58 import java.io.FileNotFoundException; 59 import java.io.FileReader; 60 import java.io.IOException; 61 import java.io.InputStreamReader; 62 import java.io.PrintWriter; 63 import java.io.Writer; 64 import org.apache.commons.net.io.Util; 65 import org.apache.commons.net.nntp.NNTPClient; 66 import org.apache.commons.net.nntp.NNTPReply; 67 import org.apache.commons.net.nntp.SimpleNNTPHeader; 68 69 /**** 70 * This is an example program using the NNTP package to post an article 71 * to the specified newsgroup(s). It prompts you for header information and 72 * a filename to post. 73 * <p> 74 ***/ 75 76 public final class post 77 { 78 79 public final static void main(String[] args) 80 { 81 String from, subject, newsgroup, filename, server, organization; 82 String references; 83 BufferedReader stdin; 84 FileReader fileReader = null; 85 SimpleNNTPHeader header; 86 NNTPClient client; 87 88 if (args.length < 1) 89 { 90 System.err.println("Usage: post newsserver"); 91 System.exit(1); 92 } 93 94 server = args[0]; 95 96 stdin = new BufferedReader(new InputStreamReader(System.in)); 97 98 try 99 { 100 System.out.print("From: "); 101 System.out.flush(); 102 103 from = stdin.readLine(); 104 105 System.out.print("Subject: "); 106 System.out.flush(); 107 108 subject = stdin.readLine(); 109 110 header = new SimpleNNTPHeader(from, subject); 111 112 System.out.print("Newsgroup: "); 113 System.out.flush(); 114 115 newsgroup = stdin.readLine(); 116 header.addNewsgroup(newsgroup); 117 118 while (true) 119 { 120 System.out.print("Additional Newsgroup <Hit enter to end>: "); 121 System.out.flush(); 122 123 // Of course you don't want to do this because readLine() may be null 124 newsgroup = stdin.readLine().trim(); 125 126 if (newsgroup.length() == 0) 127 break; 128 129 header.addNewsgroup(newsgroup); 130 } 131 132 System.out.print("Organization: "); 133 System.out.flush(); 134 135 organization = stdin.readLine(); 136 137 System.out.print("References: "); 138 System.out.flush(); 139 140 references = stdin.readLine(); 141 142 if (organization != null && organization.length() > 0) 143 header.addHeaderField("Organization", organization); 144 145 if (references != null && organization.length() > 0) 146 header.addHeaderField("References", references); 147 148 header.addHeaderField("X-Newsreader", "NetComponents"); 149 150 System.out.print("Filename: "); 151 System.out.flush(); 152 153 filename = stdin.readLine(); 154 155 try 156 { 157 fileReader = new FileReader(filename); 158 } 159 catch (FileNotFoundException e) 160 { 161 System.err.println("File not found. " + e.getMessage()); 162 System.exit(1); 163 } 164 165 client = new NNTPClient(); 166 client.addProtocolCommandListener(new PrintCommandListener( 167 new PrintWriter(System.out))); 168 169 client.connect(server); 170 171 if (!NNTPReply.isPositiveCompletion(client.getReplyCode())) 172 { 173 client.disconnect(); 174 System.err.println("NNTP server refused connection."); 175 System.exit(1); 176 } 177 178 if (client.isAllowedToPost()) 179 { 180 Writer writer = client.postArticle(); 181 182 if (writer != null) 183 { 184 writer.write(header.toString()); 185 Util.copyReader(fileReader, writer); 186 writer.close(); 187 client.completePendingCommand(); 188 } 189 } 190 191 fileReader.close(); 192 193 client.logout(); 194 195 client.disconnect(); 196 } 197 catch (IOException e) 198 { 199 e.printStackTrace(); 200 System.exit(1); 201 } 202 } 203 } 204 205

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