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| package org.dom4j.tree; |
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| import java.util.ArrayList; |
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| import java.util.Collections; |
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| import java.util.HashMap; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| import java.util.Map; |
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| import org.dom4j.DocumentFactory; |
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| import org.dom4j.Namespace; |
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| import org.dom4j.QName; |
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| public class QNameCache { |
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| protected Map noNamespaceCache = Collections.synchronizedMap(new HashMap()); |
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| protected Map namespaceCache = Collections.synchronizedMap(new HashMap()); |
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| private DocumentFactory documentFactory; |
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| public QNameCache() {
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| } |
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| public QNameCache(DocumentFactory documentFactory) {
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| this.documentFactory = documentFactory;
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| } |
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| public List getQNames() {
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| List answer = new ArrayList();
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| answer.addAll( noNamespaceCache.values() );
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| for ( Iterator iter = namespaceCache.values().iterator(); iter.hasNext(); ) {
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| Map map = (Map) iter.next();
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| answer.addAll( map.values() );
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| } |
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| return answer;
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| } |
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| public QName get(String name) {
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| QName answer = null;
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| if (name!=null) {
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| answer=(QName) noNamespaceCache.get(name);
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| } |
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| else { |
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| name="";
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| } |
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| if (answer == null) {
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| answer = createQName(name);
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| answer.setDocumentFactory( documentFactory );
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| noNamespaceCache.put(name, answer);
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| } |
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| return answer;
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| } |
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| public QName get(String name, Namespace namespace) {
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| Map cache = getNamespaceCache(namespace);
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| QName answer = null;
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| if (name!=null) {
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| answer=(QName) cache.get(name);
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| } |
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| else { |
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| name="";
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| } |
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203252
| if (answer == null) {
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| answer = createQName(name, namespace);
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| answer.setDocumentFactory( documentFactory );
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| cache.put(name, answer);
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| } |
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| return answer;
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| } |
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| public QName get(String localName, Namespace namespace, String qualifiedName) {
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| Map cache = getNamespaceCache(namespace);
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| QName answer = null;
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| if (localName!=null) {
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| answer=(QName) cache.get(localName);
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| } |
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| else { |
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| localName="";
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| } |
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| if (answer == null) {
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| answer = createQName(localName, namespace, qualifiedName);
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| answer.setDocumentFactory( documentFactory );
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| cache.put(localName, answer);
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| } |
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| return answer;
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| } |
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| public QName get(String qualifiedName, String uri) {
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| int index = qualifiedName.indexOf( ':' );
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| if ( index < 0 ) {
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| return get( qualifiedName, Namespace.get( uri ) );
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| } |
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| else { |
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| String name = qualifiedName.substring( index + 1 );
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| String prefix = qualifiedName.substring( 0, index );
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| return get(name, Namespace.get( prefix, uri ));
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| } |
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| } |
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| public QName intern(QName qname) {
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| return get(qname.getName(), qname.getNamespace(), qname.getQualifiedName());
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| } |
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203252
| protected Map getNamespaceCache(Namespace namespace) {
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| if (namespace == Namespace.NO_NAMESPACE) {
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| return noNamespaceCache;
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| } |
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40426
| Map answer = null;
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| if (namespace!=null) {
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| answer=(Map) namespaceCache.get(namespace);
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| } |
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| if (answer == null) {
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| answer = createMap();
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| namespaceCache.put(namespace, answer);
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| } |
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| return answer;
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| } |
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| protected Map createMap() {
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| return Collections.synchronizedMap(new HashMap());
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| } |
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| protected QName createQName(String name) {
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| return new QName(name);
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| } |
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| protected QName createQName(String name, Namespace namespace) {
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| return new QName(name, namespace);
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| } |
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| protected QName createQName(String name, Namespace namespace, String qualifiedName) {
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| return new QName(name, namespace, qualifiedName);
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| } |
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| } |
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