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examples.nntp.ExtendedNNTPOps |
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1 | /* |
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2 | * Copyright 2001-2005 The Apache Software Foundation |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package examples.nntp; |
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17 | ||
18 | import java.io.IOException; |
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19 | import java.io.PrintWriter; |
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20 | ||
21 | import org.apache.commons.net.nntp.Article; |
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22 | import org.apache.commons.net.nntp.NNTPClient; |
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23 | import org.apache.commons.net.nntp.NewsgroupInfo; |
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24 | ||
25 | import examples.PrintCommandListener; |
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26 | ||
27 | /** |
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28 | * Simple class showing some of the extended commands (AUTH, XOVER, LIST ACTIVE) |
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29 | * |
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30 | * @author Rory Winston <rwinston@checkfree.com> |
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31 | */ |
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32 | public class ExtendedNNTPOps { |
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33 | ||
34 | ||
35 | NNTPClient client; |
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36 | ||
37 | 0 | public ExtendedNNTPOps() { |
38 | 0 | client = new NNTPClient(); |
39 | 0 | client.addProtocolCommandListener(new PrintCommandListener(class="keyword">new PrintWriter(System.out))); |
40 | 0 | } |
41 | ||
42 | ||
43 | public void demo(String host, String user, String password) { |
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44 | try { |
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45 | 0 | client.connect(host); |
46 | ||
47 | // AUTHINFO USER/AUTHINFO PASS |
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48 | 0 | boolean success = client.authenticate(user, password); |
49 | 0 | if (success) { |
50 | 0 | System.out.println("Authentication succeeded"); |
51 | } else { |
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52 | 0 | System.out.println("Authentication failed, error =" + client.getReplyString()); |
53 | } |
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54 | ||
55 | // XOVER |
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56 | 0 | NewsgroupInfo testGroup = new NewsgroupInfo(); |
57 | 0 | client.selectNewsgroup("alt.test", testGroup); |
58 | 0 | int lowArticleNumber = testGroup.getFirstArticle(); |
59 | 0 | int highArticleNumber = lowArticleNumber + 100; |
60 | 0 | Article[] articles = NNTPUtils.getArticleInfo(client, lowArticleNumber, highArticleNumber); |
61 | ||
62 | 0 | for (int i = 0; i < articles.length; ++i) { |
63 | 0 | System.out.println(articles[i].getSubject()); |
64 | } |
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65 | ||
66 | // LIST ACTIVE |
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67 | 0 | NewsgroupInfo[] fanGroups = client.listNewsgroups("alt.fan.*"); |
68 | 0 | for (int i = 0; i < fanGroups.length; ++i) { |
69 | 0 | System.out.println(fanGroups[i].getNewsgroup()); |
70 | } |
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71 | ||
72 | 0 | } catch (IOException e) { |
73 | 0 | e.printStackTrace(); |
74 | 0 | } |
75 | 0 | } |
76 | ||
77 | public static void main(String[] args) { |
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78 | ExtendedNNTPOps ops; |
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79 | ||
80 | 0 | if (args.length != 3) { |
81 | 0 | System.err.println("usage: ExtendedNNTPOps nntpserver username password"); |
82 | 0 | System.exit(1); |
83 | } |
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84 | ||
85 | 0 | ops = new ExtendedNNTPOps(); |
86 | 0 | ops.demo(args[0], args[1], args[2]); |
87 | 0 | } |
88 | ||
89 | } |
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90 | ||
91 | /* Emacs configuration |
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92 | * Local variables: ** |
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93 | * mode: java ** |
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94 | * c-basic-offset: 4 ** |
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95 | * indent-tabs-mode: nil ** |
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96 | * End: ** |
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97 | */ |
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