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Java > Open Source Codes > com > sun > xml > fastinfoset > stax > events > EndElementEvent


1 /*
2  * Fast Infoset ver. 0.1 software ("Software")
3  *
4  * Copyright, 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
5  *
6  * Software is licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License. You may
8  * obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15  * License for the specific language governing permissions and limitations.
16  *
17  * Sun supports and benefits from the global community of open source
18  * developers, and thanks the community for its important contributions and
19  * open standards-based technology, which Sun has adopted into many of its
20  * products.
21  *
22  * Please note that portions of Software may be provided with notices and
23  * open source licenses from such communities and third parties that govern the
24  * use of those portions, and any licenses granted hereunder do not alter any
25  * rights and obligations you may have under such open source licenses,
26  * however, the disclaimer of warranty and limitation of liability provisions
27  * in this License will apply to all Software in this distribution.
28  *
29  * You acknowledge that the Software is not designed, licensed or intended
30  * for use in the design, construction, operation or maintenance of any nuclear
31  * facility.
32  *
33  * Apache License
34  * Version 2.0, January 2004
35  * http://www.apache.org/licenses/
36  *
37  */
38
39 package com.sun.xml.fastinfoset.stax.events ;
40
41 import java.util.List JavaDoc;
42 import java.util.ArrayList JavaDoc;
43
44 import javax.xml.namespace.QName JavaDoc;
45 import javax.xml.stream.events.EndElement;
46 import javax.xml.stream.events.Namespace;
47 import java.io.Writer JavaDoc;
48 import java.util.Iterator JavaDoc;
49 import javax.xml.stream.XMLStreamConstants;
50 import com.sun.xml.fastinfoset.util.EmptyIterator;
51
52
53 public class EndElementEvent extends EventBase implements EndElement {
54     
55     List JavaDoc _namespaces = null;
56     QName JavaDoc _qname ;
57     
58     public void reset() {
59         if (_namespaces != null) _namespaces.clear();
60     }
61     
62     public EndElementEvent() {
63         setEventType(END_ELEMENT);
64     }
65     
66     public EndElementEvent(String JavaDoc namespaceURI, String JavaDoc localpart, String JavaDoc prefix) {
67         _qname = getQName(namespaceURI,localpart,prefix);
68         setEventType(END_ELEMENT);
69     }
70
71     public EndElementEvent(QName JavaDoc qname) {
72         _qname = qname;
73         setEventType(END_ELEMENT);
74     }
75         
76   /**
77    * Get the name of this event
78    * @return the qualified name of this event
79    */
80     public QName JavaDoc getName() {
81         return _qname;
82     }
83     
84     public void setName(QName JavaDoc qname) {
85         _qname = qname;
86     }
87     
88
89     /** Returns an Iterator of namespaces that have gone out
90      * of scope. Returns an empty iterator if no namespaces have gone
91      * out of scope.
92      * @return an Iterator over Namespace interfaces, or an
93      * empty iterator
94      */
95     public Iterator JavaDoc getNamespaces() {
96         if(_namespaces != null)
97             return _namespaces.iterator();
98         return EmptyIterator.getInstance();
99     }
100     
101     public void addNamespace(Namespace namespace){
102         if (_namespaces == null) {
103             _namespaces = new ArrayList JavaDoc();
104         }
105         _namespaces.add(namespace);
106     }
107     
108     public String JavaDoc toString() {
109         StringBuffer JavaDoc sb = new StringBuffer JavaDoc();
110         sb.append("</").append(nameAsString());
111         Iterator JavaDoc namespaces = getNamespaces();
112         while(namespaces.hasNext()) {
113             sb.append(" ").append(namespaces.next().toString());
114         }
115         sb.append(">");
116         return sb.toString();
117     }
118
119     
120     private String JavaDoc nameAsString() {
121         if("".equals(_qname.getNamespaceURI()))
122             return _qname.getLocalPart();
123         if(_qname.getPrefix() != null)
124             return "['" + _qname.getNamespaceURI() + "']:" + _qname.getPrefix() + ":" + _qname.getLocalPart();
125         else
126             return "['" + _qname.getNamespaceURI() + "']:" + _qname.getLocalPart();
127     }
128     private QName JavaDoc getQName(String JavaDoc uri, String JavaDoc localPart, String JavaDoc prefix){
129         QName JavaDoc qn = null;
130         if(prefix != null && uri != null)
131             qn = new QName JavaDoc(uri, localPart, prefix);
132         else if(prefix == null && uri != null)
133             qn = new QName JavaDoc(uri, localPart);
134         else if(prefix == null && uri == null)
135             qn = new QName JavaDoc(localPart);
136         return qn;
137     }
138 }
139
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