1/*
2 * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 *
25 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
26 */
27
28package com.sun.xml.internal.fastinfoset.stax.events;
29
30import javax.xml.namespace.QName;
31import javax.xml.stream.events.Namespace;
32
33
34public class NamespaceBase extends AttributeBase implements Namespace{
35    //J2SE1.5.0 javax.xml.XMLConstants
36    static final String DEFAULT_NS_PREFIX = "";
37    static final String XML_NS_URI = "http://www.w3.org/XML/1998/namespace";
38    static final String XML_NS_PREFIX = "xml";
39    static final String XMLNS_ATTRIBUTE_NS_URI = "http://www.w3.org/2000/xmlns/";
40    static final String XMLNS_ATTRIBUTE = "xmlns";
41    static final String W3C_XML_SCHEMA_NS_URI = "http://www.w3.org/2001/XMLSchema";
42    static final String W3C_XML_SCHEMA_INSTANCE_NS_URI = "http://www.w3.org/2001/XMLSchema-instance";
43
44    //is this namespace default declaration?
45    private boolean defaultDeclaration = false;
46
47    /** a namespace attribute has a form: xmlns:NCName="URI reference" */
48    public NamespaceBase(String namespaceURI) {
49        super(XMLNS_ATTRIBUTE, "", namespaceURI);
50        setEventType(NAMESPACE);
51    }
52
53  /**
54   * Create a new Namespace
55   * @param prefix prefix of a namespace is the local name for an attribute
56   * @param namespaceURI the uri reference of a namespace is the value for an attribute
57   */
58    public NamespaceBase(String prefix, String namespaceURI){
59        super(XMLNS_ATTRIBUTE, prefix, namespaceURI);
60        setEventType(NAMESPACE);
61        if (Util.isEmptyString(prefix)) {
62            defaultDeclaration=true;
63        }
64    }
65
66    void setPrefix(String prefix){
67        if(prefix == null)
68            setName(new QName(XMLNS_ATTRIBUTE_NS_URI,DEFAULT_NS_PREFIX,XMLNS_ATTRIBUTE));
69        else// new QName(uri, localpart, prefix)
70            setName(new QName(XMLNS_ATTRIBUTE_NS_URI,prefix,XMLNS_ATTRIBUTE));
71    }
72
73    public String getPrefix() {
74        if (defaultDeclaration) return "";
75        return super.getLocalName();
76    }
77
78
79  /**
80   * set Namespace URI reference (xmlns:prefix = "uri")
81   * @param uri the uri reference of a namespace is the value for an attribute
82   */
83    void setNamespaceURI(String uri) {
84        setValue(uri);
85    }
86    public String getNamespaceURI() {
87        return getValue();
88    }
89
90
91    public boolean isNamespace(){
92        return true;
93    }
94
95    public boolean isDefaultNamespaceDeclaration() {
96        return defaultDeclaration;
97    }
98
99
100}
101