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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
DocumentInputSource.java | - | 21,4% | 25% | 22,7% |
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1 | /* | |
2 | * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | |
3 | * | |
4 | * This software is open source. | |
5 | * See the bottom of this file for the licence. | |
6 | * | |
7 | * $Id: DocumentInputSource.java,v 1.6 2004/06/25 08:03:36 maartenc Exp $ | |
8 | */ | |
9 | ||
10 | package org.dom4j.io; | |
11 | ||
12 | import java.io.IOException; | |
13 | import java.io.Reader; | |
14 | import java.io.StringReader; | |
15 | import java.io.StringWriter; | |
16 | ||
17 | import org.dom4j.Document; | |
18 | import org.xml.sax.InputSource; | |
19 | ||
20 | ||
21 | /** <p><code>DocumentInputSource</code> implements a SAX {@link InputSource} | |
22 | * for a {@link Document}.</p> | |
23 | * | |
24 | * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a> | |
25 | * @version $Revision: 1.6 $ | |
26 | */ | |
27 | class DocumentInputSource extends InputSource { | |
28 | ||
29 | /** The document source */ | |
30 | private Document document; | |
31 | ||
32 | ||
33 | 0 | public DocumentInputSource() { |
34 | } | |
35 | ||
36 | 16 | public DocumentInputSource(Document document) { |
37 | 16 | this.document = document; |
38 | 16 | setSystemId( document.getName() ); |
39 | } | |
40 | ||
41 | ||
42 | // Properties | |
43 | //------------------------------------------------------------------------- | |
44 | ||
45 | /** @return the document which is being used as the SAX {@link InputSource} | |
46 | */ | |
47 | 16 | public Document getDocument() { |
48 | 16 | return document; |
49 | } | |
50 | ||
51 | /** Sets the document used as the SAX {@link InputSource} | |
52 | */ | |
53 | 0 | public void setDocument(Document document) { |
54 | 0 | this.document = document; |
55 | 0 | setSystemId( document.getName() ); |
56 | } | |
57 | ||
58 | ||
59 | // Overloaded methods | |
60 | //------------------------------------------------------------------------- | |
61 | ||
62 | /** This method is not supported as this source is always a | |
63 | * {@link Document} instance. | |
64 | * | |
65 | * @throws UnsupportedOperationException as this method is unsupported | |
66 | */ | |
67 | 0 | public void setCharacterStream(Reader characterStream) |
68 | throws UnsupportedOperationException { | |
69 | 0 | throw new UnsupportedOperationException(); |
70 | } | |
71 | ||
72 | /** Note this method is quite inefficent, it turns the in memory XML tree | |
73 | * object model into a single block of text which can then be read by | |
74 | * other XML parsers. Should only be used with care. | |
75 | */ | |
76 | 0 | public Reader getCharacterStream() { |
77 | 0 | try { |
78 | 0 | StringWriter out = new StringWriter(); |
79 | 0 | XMLWriter writer = new XMLWriter( out ); |
80 | 0 | writer.write( document ); |
81 | 0 | writer.flush(); |
82 | 0 | return new StringReader( out.toString() ); |
83 | } | |
84 | catch (final IOException e) { | |
85 | // this should never really happen | |
86 | // but for completeness we'll return a Reader | |
87 | // with the embedded exception inside it | |
88 | 0 | return new Reader() { |
89 | 0 | public int read(char ch[], int offset, int length) |
90 | throws IOException { | |
91 | 0 | throw e; |
92 | } | |
93 | 0 | public void close() throws IOException { |
94 | } | |
95 | }; | |
96 | } | |
97 | } | |
98 | } | |
99 | ||
100 | ||
101 | ||
102 | ||
103 | ||
104 | ||
105 | ||
106 | /* | |
107 | * Redistribution and use of this software and associated documentation | |
108 | * ("Software"), with or without modification, are permitted provided | |
109 | * that the following conditions are met: | |
110 | * | |
111 | * 1. Redistributions of source code must retain copyright | |
112 | * statements and notices. Redistributions must also contain a | |
113 | * copy of this document. | |
114 | * | |
115 | * 2. Redistributions in binary form must reproduce the | |
116 | * above copyright notice, this list of conditions and the | |
117 | * following disclaimer in the documentation and/or other | |
118 | * materials provided with the distribution. | |
119 | * | |
120 | * 3. The name "DOM4J" must not be used to endorse or promote | |
121 | * products derived from this Software without prior written | |
122 | * permission of MetaStuff, Ltd. For written permission, | |
123 | * please contact dom4j-info@metastuff.com. | |
124 | * | |
125 | * 4. Products derived from this Software may not be called "DOM4J" | |
126 | * nor may "DOM4J" appear in their names without prior written | |
127 | * permission of MetaStuff, Ltd. DOM4J is a registered | |
128 | * trademark of MetaStuff, Ltd. | |
129 | * | |
130 | * 5. Due credit should be given to the DOM4J Project - | |
131 | * http://www.dom4j.org | |
132 | * | |
133 | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS | |
134 | * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT | |
135 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
136 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
137 | * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
138 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
139 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
140 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
141 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
142 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
143 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
144 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
145 | * | |
146 | * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. | |
147 | * | |
148 | * $Id: DocumentInputSource.java,v 1.6 2004/06/25 08:03:36 maartenc Exp $ | |
149 | */ |
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