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Java > Open Source Codes > org > jvnet > fastinfoset > FastInfosetSource


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
40 package org.jvnet.fastinfoset;
41
42 import java.io.InputStream JavaDoc;
43 import org.xml.sax.InputSource JavaDoc;
44 import javax.xml.transform.sax.SAXSource JavaDoc;
45 import com.sun.xml.fastinfoset.sax.SAXDocumentParser;
46 import com.sun.xml.fastinfoset.*;
47 import org.xml.sax.XMLReader JavaDoc;
48
49 /**
50  * A JAXP Source implementation that supports the parsing fast
51  * infoset document for use by applications that expect a Source.
52  *
53  * <P>The derivation of FISource from SAXSource is an implementation
54  * detail.<P>
55  *
56  * <P>This implementation is designed for interoperation with JAXP and is not
57  * not designed with performance in mind. It is recommended that for performant
58  * interoperation alternative parser specific solutions be used.<P>
59  *
60  * <P>Applications shall obey the following restrictions:
61  * <UL>
62  * <LI>The setXMLReader and setInputSource shall not be called.</LI>
63  * <LI>The XMLReader object obtained by the getXMLReader method shall
64  * be used only for parsing the InputSource object returned by
65  * the getInputSource method.</LI>
66  * <LI>The InputSource object obtained by the getInputSource method shall
67  * be used only for being parsed by the XMLReader object returned by
68  * the getXMLReader method.</LI>
69  * </UL>
70  * </P>
71  *
72  * @version 0.1
73  */
74 public class FastInfosetSource extends SAXSource JavaDoc {
75    
76     public FastInfosetSource(InputStream JavaDoc inputStream) {
77         super(new InputSource JavaDoc(inputStream));
78     }
79
80     public XMLReader JavaDoc getXMLReader() {
81         XMLReader JavaDoc reader = super.getXMLReader();
82         if (reader == null) {
83             reader = new SAXDocumentParser();
84             setXMLReader(reader);
85         }
86         ((SAXDocumentParser) reader).setInputStream(getInputStream());
87         return reader;
88     }
89     
90     public InputStream JavaDoc getInputStream() {
91         return getInputSource().getByteStream();
92     }
93     
94     public void setInputStream(InputStream JavaDoc inputStream) {
95         setInputSource(new InputSource JavaDoc(inputStream));
96     }
97 }
98
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