Mercurial > dive4elements > framework

annotate artifacts/src/main/java/org/dive4elements/artifacts/ArtifactNamespaceContext.java @ 565:8d11d6a17f3b

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Mit 3.2.x zusammenführen
author Gernot Belger <g.belger@bjoernsen.de>
date Wed, 15 Jul 2020 11:53:27 +0200
parents 415df0fc4fa1
children
rev   line source
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package org.dive4elements.artifacts;
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10
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11 import java.util.Iterator;
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12 import java.util.Map;
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13 import java.util.HashMap;
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14 import java.util.ArrayList;
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16 import javax.xml.XMLConstants;
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17
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18 import javax.xml.namespace.NamespaceContext;
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19
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20 /**
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21 * The namespace used in artifact documents.
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22 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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23 */
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24 public class ArtifactNamespaceContext
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25 implements NamespaceContext
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26 {
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27 /**
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28 * The URI of the namespace of the artifacts.
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29 */
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30 public final static String NAMESPACE_URI =
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31 "http://www.intevation.de/2009/artifacts";
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32
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33 /**
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34 * The XML prefix for the artifacts namespace.
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35 */
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36 public final static String NAMESPACE_PREFIX = "art";
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38 /**
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39 * Final instance to be easily used to avoid creation
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40 * of instances.
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41 */
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42 public static final ArtifactNamespaceContext INSTANCE =
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43 new ArtifactNamespaceContext();
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44
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45 protected Map<String, String> map;
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47 /**
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48 * The default constructor.
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49 */
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50 public ArtifactNamespaceContext() {
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51 map = new HashMap<String, String>();
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52 map.put(
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53 XMLConstants.XML_NS_PREFIX, XMLConstants.XML_NS_URI);
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54 map.put(
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55 XMLConstants.DEFAULT_NS_PREFIX, XMLConstants.DEFAULT_NS_PREFIX);
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56 map.put(
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57 XMLConstants.XMLNS_ATTRIBUTE, XMLConstants.XMLNS_ATTRIBUTE_NS_URI);
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58 map.put(
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59 NAMESPACE_PREFIX, NAMESPACE_URI);
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60 }
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61
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62 public void add(String prefix, String uri) {
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63 map.put(prefix, uri);
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64 }
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66 /**
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67 * @see javax.xml.namespace.NamespaceContext#getNamespaceURI(String)
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68 * @param prefix The prefix
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69 * @return The corresponing URI
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70 */
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71 @Override
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72 public String getNamespaceURI(String prefix) {
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73
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74 if (prefix == null) {
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75 throw new IllegalArgumentException("Null prefix");
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76 }
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78 String namespace = map.get(prefix);
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80 return namespace != null ? namespace : XMLConstants.NULL_NS_URI;
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81 }
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83 /**
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84 * @see javax.xml.namespace.NamespaceContext#getPrefix(String)
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85 * @param uri The URI
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86 */
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87 @Override
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88 public String getPrefix(String uri) {
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89
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90 if (uri == null) {
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91 throw new IllegalArgumentException("Null uri");
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92 }
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93
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94 for (Map.Entry<String, String> entry: map.entrySet()) {
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95 if (entry.getValue().equals(uri)) {
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96 return entry.getKey();
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97 }
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98 }
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99
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100 return XMLConstants.DEFAULT_NS_PREFIX;
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101 }
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102
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103 /**
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104 * @see javax.xml.namespace.NamespaceContext#getPrefixes(java.lang.String)
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105 * @param uri The URI
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106 */
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107 @Override
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108 public Iterator getPrefixes(String uri) {
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109 ArrayList<String> results = new ArrayList<String>();
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110 for (Map.Entry<String, String> entry: map.entrySet()) {
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111 if (entry.getValue().equals(uri)) {
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112 results.add(entry.getKey());
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113 }
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114 }
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115 return results.iterator();
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116 }
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117 }
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118 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org