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Java > Open Source Codes > org > netbeans > modules > xml > xdm > visitor > HashNamespaceResolver


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.xml.xdm.visitor;
21
22 import java.util.Collections JavaDoc;
23 import java.util.HashMap JavaDoc;
24 import java.util.Iterator JavaDoc;
25 import java.util.Map JavaDoc;
26 import java.util.Map.Entry;
27 import javax.xml.namespace.NamespaceContext JavaDoc;
28
29 public class HashNamespaceResolver implements NamespaceContext JavaDoc {
30     private Map JavaDoc<String JavaDoc, String JavaDoc> prefixes; // namespace, prefix
31 private Map JavaDoc<String JavaDoc, String JavaDoc> namespaces; // prefix, namespace
32
33     public HashNamespaceResolver(Map JavaDoc<String JavaDoc,String JavaDoc> nsTable) {
34         namespaces = nsTable;
35         prefixes = new HashMap JavaDoc<String JavaDoc,String JavaDoc>();
36         for (Entry<String JavaDoc,String JavaDoc> e : namespaces.entrySet()) {
37             prefixes.put(e.getValue(), e.getKey());
38         }
39     }
40     
41     public HashNamespaceResolver(Map JavaDoc<String JavaDoc,String JavaDoc> namespaces, Map JavaDoc<String JavaDoc,String JavaDoc> prefixes) {
42             this.namespaces = namespaces;
43             this.prefixes = prefixes;
44         }
45         
46     public Iterator JavaDoc getPrefixes(String JavaDoc namespaceURI) {
47         return Collections.singletonList(getPrefix(namespaceURI)).iterator();
48     }
49     
50     public String JavaDoc getPrefix(String JavaDoc namespaceURI) {
51         return prefixes.get(namespaceURI);
52     }
53     
54     public String JavaDoc getNamespaceURI(String JavaDoc prefix) {
55         return namespaces.get(prefix);
56     }
57     
58 }
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