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| 7 |  |  | 
| 8 |  | package org.dom4j.tree; | 
| 9 |  |  | 
| 10 |  | import java.util.ArrayList; | 
| 11 |  | import java.util.Collections; | 
| 12 |  | import java.util.HashMap; | 
| 13 |  | import java.util.Iterator; | 
| 14 |  | import java.util.List; | 
| 15 |  | import java.util.Map; | 
| 16 |  | import java.util.WeakHashMap; | 
| 17 |  |  | 
| 18 |  | import org.dom4j.DocumentFactory; | 
| 19 |  | import org.dom4j.Namespace; | 
| 20 |  | import org.dom4j.QName; | 
| 21 |  |  | 
| 22 |  |  | 
| 23 |  |  | 
| 24 |  |  | 
| 25 |  |  | 
| 26 |  |  | 
| 27 |  |  | 
| 28 |  |  | 
| 29 |  |  | 
| 30 |  |  | 
| 31 |  |  | 
| 32 |  |  | 
| 33 |  |  | 
| 34 |  | public class QNameCache { | 
| 35 |  |  | 
| 36 |  | protected Map noNamespaceCache = Collections | 
| 37 |  | .synchronizedMap(new WeakHashMap()); | 
| 38 |  |  | 
| 39 |  |  | 
| 40 |  |  | 
| 41 |  |  | 
| 42 |  |  | 
| 43 |  | protected Map namespaceCache = Collections | 
| 44 |  | .synchronizedMap(new WeakHashMap()); | 
| 45 |  |  | 
| 46 |  |  | 
| 47 |  |  | 
| 48 |  |  | 
| 49 |  |  | 
| 50 |  | private DocumentFactory documentFactory; | 
| 51 |  |  | 
| 52 | 90 | public QNameCache() { | 
| 53 |  | } | 
| 54 |  |  | 
| 55 | 544 | public QNameCache(DocumentFactory documentFactory) { | 
| 56 | 544 | this.documentFactory = documentFactory; | 
| 57 |  | } | 
| 58 |  |  | 
| 59 |  |  | 
| 60 |  |  | 
| 61 |  |  | 
| 62 |  |  | 
| 63 |  |  | 
| 64 | 1 | public List getQNames() { | 
| 65 | 1 | List answer = new ArrayList(); | 
| 66 | 1 | answer.addAll(noNamespaceCache.values()); | 
| 67 |  |  | 
| 68 | 1 | for (Iterator it = namespaceCache.values().iterator(); it.hasNext();) { | 
| 69 | 10 | Map map = (Map) it.next(); | 
| 70 | 10 | answer.addAll(map.values()); | 
| 71 |  | } | 
| 72 |  |  | 
| 73 | 1 | return answer; | 
| 74 |  | } | 
| 75 |  |  | 
| 76 |  |  | 
| 77 |  |  | 
| 78 |  |  | 
| 79 |  |  | 
| 80 |  |  | 
| 81 |  |  | 
| 82 |  |  | 
| 83 |  |  | 
| 84 | 26755 | public QName get(String name) { | 
| 85 | 26755 | QName answer = null; | 
| 86 |  |  | 
| 87 | 26755 | if (name != null) { | 
| 88 | 26631 | answer = (QName) noNamespaceCache.get(name); | 
| 89 |  | } else { | 
| 90 | 124 | name = ""; | 
| 91 |  | } | 
| 92 |  |  | 
| 93 | 26755 | if (answer == null) { | 
| 94 | 1065 | answer = createQName(name); | 
| 95 | 1065 | answer.setDocumentFactory(documentFactory); | 
| 96 | 1065 | noNamespaceCache.put(name, answer); | 
| 97 |  | } | 
| 98 |  |  | 
| 99 | 26755 | return answer; | 
| 100 |  | } | 
| 101 |  |  | 
| 102 |  |  | 
| 103 |  |  | 
| 104 |  |  | 
| 105 |  |  | 
| 106 |  |  | 
| 107 |  |  | 
| 108 |  |  | 
| 109 |  |  | 
| 110 |  |  | 
| 111 |  |  | 
| 112 | 105078 | public QName get(String name, Namespace namespace) { | 
| 113 | 105078 | Map cache = getNamespaceCache(namespace); | 
| 114 | 105078 | QName answer = null; | 
| 115 |  |  | 
| 116 | 105078 | if (name != null) { | 
| 117 | 105054 | answer = (QName) cache.get(name); | 
| 118 |  | } else { | 
| 119 | 24 | name = ""; | 
| 120 |  | } | 
| 121 |  |  | 
| 122 | 105078 | if (answer == null) { | 
| 123 | 1595 | answer = createQName(name, namespace); | 
| 124 | 1595 | answer.setDocumentFactory(documentFactory); | 
| 125 | 1595 | cache.put(name, answer); | 
| 126 |  | } | 
| 127 |  |  | 
| 128 | 105078 | return answer; | 
| 129 |  | } | 
| 130 |  |  | 
| 131 |  |  | 
| 132 |  |  | 
| 133 |  |  | 
| 134 |  |  | 
| 135 |  |  | 
| 136 |  |  | 
| 137 |  |  | 
| 138 |  |  | 
| 139 |  |  | 
| 140 |  |  | 
| 141 |  |  | 
| 142 |  |  | 
| 143 | 0 | public QName get(String localName, Namespace namespace, String qName) { | 
| 144 | 0 | Map cache = getNamespaceCache(namespace); | 
| 145 | 0 | QName answer = null; | 
| 146 |  |  | 
| 147 | 0 | if (localName != null) { | 
| 148 | 0 | answer = (QName) cache.get(localName); | 
| 149 |  | } else { | 
| 150 | 0 | localName = ""; | 
| 151 |  | } | 
| 152 |  |  | 
| 153 | 0 | if (answer == null) { | 
| 154 | 0 | answer = createQName(localName, namespace, qName); | 
| 155 | 0 | answer.setDocumentFactory(documentFactory); | 
| 156 | 0 | cache.put(localName, answer); | 
| 157 |  | } | 
| 158 |  |  | 
| 159 | 0 | return answer; | 
| 160 |  | } | 
| 161 |  |  | 
| 162 | 30 | public QName get(String qualifiedName, String uri) { | 
| 163 | 30 | int index = qualifiedName.indexOf(':'); | 
| 164 |  |  | 
| 165 | 30 | if (index < 0) { | 
| 166 | 26 | return get(qualifiedName, Namespace.get(uri)); | 
| 167 |  | } else { | 
| 168 | 4 | String name = qualifiedName.substring(index + 1); | 
| 169 | 4 | String prefix = qualifiedName.substring(0, index); | 
| 170 |  |  | 
| 171 | 4 | return get(name, Namespace.get(prefix, uri)); | 
| 172 |  | } | 
| 173 |  | } | 
| 174 |  |  | 
| 175 |  |  | 
| 176 |  |  | 
| 177 |  |  | 
| 178 |  |  | 
| 179 |  |  | 
| 180 |  |  | 
| 181 |  |  | 
| 182 |  |  | 
| 183 |  |  | 
| 184 | 0 | public QName intern(QName qname) { | 
| 185 | 0 | return get(qname.getName(), qname.getNamespace(), qname | 
| 186 |  | .getQualifiedName()); | 
| 187 |  | } | 
| 188 |  |  | 
| 189 |  |  | 
| 190 |  |  | 
| 191 |  |  | 
| 192 |  |  | 
| 193 |  |  | 
| 194 |  |  | 
| 195 |  |  | 
| 196 |  |  | 
| 197 |  |  | 
| 198 | 105078 | protected Map getNamespaceCache(Namespace namespace) { | 
| 199 | 105078 | if (namespace == Namespace.NO_NAMESPACE) { | 
| 200 | 84795 | return noNamespaceCache; | 
| 201 |  | } | 
| 202 |  |  | 
| 203 | 20283 | Map answer = null; | 
| 204 |  |  | 
| 205 | 20283 | if (namespace != null) { | 
| 206 | 20283 | answer = (Map) namespaceCache.get(namespace); | 
| 207 |  | } | 
| 208 |  |  | 
| 209 | 20283 | if (answer == null) { | 
| 210 | 167 | answer = createMap(); | 
| 211 | 167 | namespaceCache.put(namespace, answer); | 
| 212 |  | } | 
| 213 |  |  | 
| 214 | 20283 | return answer; | 
| 215 |  | } | 
| 216 |  |  | 
| 217 |  |  | 
| 218 |  |  | 
| 219 |  |  | 
| 220 |  |  | 
| 221 |  |  | 
| 222 | 167 | protected Map createMap() { | 
| 223 | 167 | return Collections.synchronizedMap(new HashMap()); | 
| 224 |  | } | 
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| 234 |  |  | 
| 235 | 1065 | protected QName createQName(String name) { | 
| 236 | 1065 | return new QName(name); | 
| 237 |  | } | 
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| 250 | 1595 | protected QName createQName(String name, Namespace namespace) { | 
| 251 | 1595 | return new QName(name, namespace); | 
| 252 |  | } | 
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| 267 | 0 | protected QName createQName(String name, Namespace namespace, | 
| 268 |  | String qualifiedName) { | 
| 269 | 0 | return new QName(name, namespace, qualifiedName); | 
| 270 |  | } | 
| 271 |  | } | 
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