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Java > Open Source Codes > com > sun > xml > fastinfoset > stax > StAXFilteredParser


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;
40
41 import javax.xml.namespace.QName JavaDoc;
42 import javax.xml.stream.XMLStreamException;
43 import javax.xml.stream.XMLStreamReader;
44 import javax.xml.stream.XMLInputFactory;
45 import javax.xml.stream.StreamFilter;
46 import javax.xml.stream.events.XMLEvent;
47 import javax.xml.stream.StreamFilter;
48 import com.sun.xml.fastinfoset.CommonResourceBundle;
49
50
51 public class StAXFilteredParser extends StAXParserWrapper {
52     private StreamFilter _filter;
53     
54     /** Creates a new instance of StAXFilteredParser */
55     public StAXFilteredParser() {
56     }
57     public StAXFilteredParser(XMLStreamReader reader, StreamFilter filter) {
58         super(reader);
59         _filter = filter;
60     }
61     
62     public void setFilter(StreamFilter filter) {
63         _filter = filter;
64     }
65
66     public int next() throws XMLStreamException
67     {
68         if (hasNext())
69             return super.next();
70         throw new IllegalStateException JavaDoc(CommonResourceBundle.getInstance().getString("message.noMoreItems"));
71     }
72
73     public boolean hasNext() throws XMLStreamException
74     {
75         while (super.hasNext()) {
76             if (_filter.accept(getReader())) return true;
77             super.next();
78         }
79         return false;
80     }
81     
82 }
83
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