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1 /*--
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2
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3 $Id: NamespaceKey.java,v 1.2 2007/11/10 05:28:59 jhunter Exp $
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4
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5 Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
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6 All rights reserved.
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7
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8 Redistribution and use in source and binary forms, with or without
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9 modification, are permitted provided that the following conditions
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10 are met:
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11
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12 1. Redistributions of source code must retain the above copyright
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13 notice, this list of conditions, and the following disclaimer.
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14
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15 2. Redistributions in binary form must reproduce the above copyright
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16 notice, this list of conditions, and the disclaimer that follows
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17 these conditions in the documentation and/or other materials
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18 provided with the distribution.
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19
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20 3. The name "JDOM" must not be used to endorse or promote products
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21 derived from this software without prior written permission. For
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22 written permission, please contact <request_AT_jdom_DOT_org>.
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23
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24 4. Products derived from this software may not be called "JDOM", nor
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25 may "JDOM" appear in their name, without prior written permission
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26 from the JDOM Project Management <request_AT_jdom_DOT_org>.
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27
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28 In addition, we request (but do not require) that you include in the
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29 end-user documentation provided with the redistribution and/or in the
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30 software itself an acknowledgement equivalent to the following:
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31 "This product includes software developed by the
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32 JDOM Project (http://www.jdom.org/)."
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33 Alternatively, the acknowledgment may be graphical using the logos
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34 available at http://www.jdom.org/images/logos.
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35
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36 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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37 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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38 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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39 DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
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40 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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41 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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42 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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43 USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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44 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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45 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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46 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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47 SUCH DAMAGE.
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48
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49 This software consists of voluntary contributions made by many
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50 individuals on behalf of the JDOM Project and was originally
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51 created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
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52 Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
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53 on the JDOM Project, please see <http://www.jdom.org/>.
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54
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55 */
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56
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57 package org.jdom;
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58
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59 import java.util.*;
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60
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61 /**
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62 * Key for storing a namespace representation in a map.
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63 *
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64 * @version $Revision: 1.2 $, $Date: 2007/11/10 05:28:59 $
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65 * @author Tatu Saloranta
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66 * @author Bradley S. Huffman
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67 */
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68 final class NamespaceKey {
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69
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70 private static final String CVS_ID =
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71 "@(#) $RCSfile: NamespaceKey.java,v $ $Revision: 1.2 $ $Date: 2007/11/10 05:28:59 $ $Name: jdom_1_1_1 $";
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72
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73 private String prefix;
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74 private String uri;
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75 private int hash;
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76
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77 public NamespaceKey(String prefix, String uri) {
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78 this.prefix = prefix;
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79 this.uri = uri;
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80 this.hash = prefix.hashCode();
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81 }
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82
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83 public NamespaceKey(Namespace namespace) {
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84 this(namespace.getPrefix(), namespace.getURI());
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85 }
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86
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87 public boolean equals(Object ob) {
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88 if (this == ob) {
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89 return true;
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90 }
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91 else if (ob instanceof NamespaceKey) {
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92 NamespaceKey other = (NamespaceKey) ob;
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93 return prefix.equals(other.prefix) && uri.equals(other.uri);
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94 }
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95 else {
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96 return false;
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97 }
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98 }
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99
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100 public int hashCode() {
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101 return hash;
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102 }
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103
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104 public String toString() {
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105 return "[NamespaceKey: prefix \"" + prefix +
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106 "\" is mapped to URI \"" + uri + "\"]";
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107 }
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108 }
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