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.org.jvnet.fastinfoset;
29
30import java.io.InputStream;
31
32import javax.xml.transform.sax.SAXSource;
33
34import org.xml.sax.InputSource;
35import org.xml.sax.XMLReader;
36
37import com.sun.xml.internal.fastinfoset.sax.SAXDocumentParser;
38
39/**
40 *  A JAXP Source implementation that supports the parsing fast
41 *  infoset document for use by applications that expect a Source.
42 *
43 *  <P>The derivation of FISource from SAXSource is an implementation
44 *  detail.<P>
45 *
46 *  <P>This implementation is designed for interoperation with JAXP and is not
47 *  not designed with performance in mind. It is recommended that for performant
48 *  interoperation alternative parser specific solutions be used.<P>
49 *
50 *  <P>Applications shall obey the following restrictions:
51 *   <UL>
52 *     <LI>The setXMLReader and setInputSource shall not be called.</LI>
53 *     <LI>The XMLReader object obtained by the getXMLReader method shall
54 *        be used only for parsing the InputSource object returned by
55 *        the getInputSource method.</LI>
56 *     <LI>The InputSource object obtained by the getInputSource method shall
57 *        be used only for being parsed by the XMLReader object returned by
58 *        the getXMLReader method.</LI>
59 *   </UL>
60 *  </P>
61 */
62public class FastInfosetSource extends SAXSource {
63
64    public FastInfosetSource(InputStream inputStream) {
65        super(new InputSource(inputStream));
66    }
67
68    public XMLReader getXMLReader() {
69        XMLReader reader = super.getXMLReader();
70        if (reader == null) {
71            reader = new SAXDocumentParser();
72            setXMLReader(reader);
73        }
74        ((SAXDocumentParser) reader).setInputStream(getInputStream());
75        return reader;
76    }
77
78    public InputStream getInputStream() {
79        return getInputSource().getByteStream();
80    }
81
82    public void setInputStream(InputStream inputStream) {
83        setInputSource(new InputSource(inputStream));
84    }
85}
86