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Java > Open Source Codes > org > netbeans > tax > TreeNamespace


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 package org.netbeans.tax;
20
21 /**
22  * Holder for a prefix, URI pair.
23  * <p>
24  * Default namespace prefix is "".
25  *
26  * @author Libor Kramolis
27  * @version 0.1
28  */
29 public final class TreeNamespace {
30
31     /** It is NOT in any namespace (including default) */
32     public static final TreeNamespace NO_NAMESPACE = new TreeNamespace (null, ""); // NOI18N
33
34     /** */
35     public static final TreeNamespace XML_NAMESPACE = new TreeNamespace ("xml", "http://www.w3.org/XML/1998/namespace"); // NOI18N
36
37     /** */
38     public static final TreeNamespace XMLNS_NAMESPACE = new TreeNamespace ("xmlns", "http://www.w3.org/2000/xmlns/"); // NOI18N
39
40     /** For sticklers. */
41     public static final String JavaDoc DEFAULT_NS_PREFIX = ""; // NOI18N
42
43     /** */
44     private String JavaDoc prefix;
45     
46     /** */
47     private String JavaDoc uri;
48     
49     
50     //
51 // init
52 //
53
54     /**
55      * Creates new TreeNamespace.
56      * @param prefix namespace prefix or null if no namespace (including default)
57      * @param uri string representation of URI
58      */
59     protected TreeNamespace (String JavaDoc prefix, String JavaDoc uri) {
60         if (uri == null) throw new IllegalArgumentException JavaDoc (Util.THIS.getString ("EXC_uri_cannot_be_null"));
61         this.prefix = prefix;
62         this.uri = uri;
63     }
64     
65     /** Creates new TreeNamespace -- copy constructor. */
66     protected TreeNamespace (TreeNamespace namespace) {
67         this.prefix = namespace.prefix;
68         this.uri = namespace.uri;
69     }
70     
71     
72     //
73 // itself
74 //
75
76     /**
77      * @return prefix of null if no namespace
78      */
79     public String JavaDoc getPrefix () {
80         return prefix;
81     }
82     
83     /**
84      * @return string representation URI (never null)
85      */
86     public String JavaDoc getURI () {
87         return uri;
88     }
89     
90 }
91
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