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org.apache.commons.net.WhoisClient |
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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 org.apache.commons.net; |
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17 | ||
18 | import java.io.IOException; |
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19 | import java.io.InputStream; |
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20 | ||
21 | /*** |
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22 | * The WhoisClient class implements the client side of the Internet Whois |
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23 | * Protocol defined in RFC 954. To query a host you create a |
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24 | * WhoisClient instance, connect to the host, query the host, and finally |
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25 | * disconnect from the host. If the whois service you want to query is on |
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26 | * a non-standard port, connect to the host at that port. |
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27 | * Here's a sample use: |
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28 | * <pre> |
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29 | * WhoisClient whois; |
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30 | * |
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31 | * whois = new WhoisClient(); |
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32 | * |
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33 | * try { |
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34 | * whois.connect(WhoisClient.DEFAULT_HOST); |
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35 | * System.out.println(whois.query("foobar")); |
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36 | * whois.disconnect(); |
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37 | * } catch(IOException e) { |
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38 | * System.err.println("Error I/O exception: " + e.getMessage()); |
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39 | * return; |
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40 | * } |
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41 | * </pre> |
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42 | * |
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43 | * <p> |
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44 | * <p> |
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45 | * @author Daniel F. Savarese |
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46 | ***/ |
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47 | ||
48 | public final class WhoisClient extends FingerClient |
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49 | { |
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50 | /*** |
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51 | * The default whois host to query. It is set to whois.internic.net. |
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52 | ***/ |
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53 | public static final String DEFAULT_HOST = "whois.internic.net"; |
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54 | ||
55 | /*** |
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56 | * The default whois port. It is set to 43 according to RFC 954. |
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57 | ***/ |
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58 | public static final int DEFAULT_PORT = 43; |
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59 | ||
60 | ||
61 | /*** |
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62 | * The default whois constructor. Initializes the |
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63 | * default port to <code> DEFAULT_PORT </code>. |
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64 | ***/ |
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65 | public WhoisClient() |
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66 | 0 | { |
67 | 0 | setDefaultPort(DEFAULT_PORT); |
68 | 0 | } |
69 | ||
70 | /*** |
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71 | * Queries the connected whois server for information regarding |
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72 | * the given handle. It is up to the programmer to be familiar with the |
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73 | * handle syntax of the whois server. You must first connect to a whois |
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74 | * server before calling this method, and you should disconnect afterward. |
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75 | * <p> |
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76 | * @param handle The handle to lookup. |
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77 | * @return The result of the whois query. |
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78 | * @exception IOException If an I/O error occurs during the operation. |
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79 | ***/ |
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80 | public String query(String handle) throws IOException |
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81 | { |
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82 | 0 | return query(false, handle); |
83 | } |
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84 | ||
85 | ||
86 | /*** |
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87 | * Queries the connected whois server for information regarding |
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88 | * the given handle and returns the InputStream of the network connection. |
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89 | * It is up to the programmer to be familiar with the handle syntax |
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90 | * of the whois server. You must first connect to a finger server before |
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91 | * calling this method, and you should disconnect after finishing reading |
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92 | * the stream. |
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93 | * <p> |
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94 | * @param handle The handle to lookup. |
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95 | * @return The InputStream of the network connection of the whois query. |
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96 | * Can be read to obtain whois results. |
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97 | * @exception IOException If an I/O error occurs during the operation. |
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98 | ***/ |
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99 | public InputStream getInputStream(String handle) throws IOException |
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100 | { |
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101 | 0 | return getInputStream(false, handle); |
102 | } |
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103 | ||
104 | } |
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105 |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |