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10 package org.dom4j;
11
12 import java.io.ByteArrayInputStream;
13 import java.io.StringReader;
14 import java.net.URL;
15
16 import junit.framework.Test;
17 import junit.framework.TestSuite;
18 import junit.textui.TestRunner;
19
20 import org.dom4j.io.SAXReader;
21 import org.xml.sax.InputSource;
22
23 /***
24 *
25 * @author Maarten Coene
26 * @version $Revision: 1.1 $
27 */
28 public class TestGetXMLEncoding extends AbstractTestCase {
29
30 DocumentFactory factory = new DocumentFactory();
31
32 public static void main( String[] args ) {
33 TestRunner.run( suite() );
34 }
35
36 public static Test suite() {
37 return new TestSuite( TestGetXMLEncoding.class );
38 }
39
40 public TestGetXMLEncoding(String name) {
41 super(name);
42 }
43
44
45
46 public void testXMLEncodingFromString() throws Exception {
47 String xmlEnc = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<root/>";
48
49 SAXReader reader = new SAXReader("org.apache.xerces.parsers.SAXParser");
50 InputSource source = new InputSource(new ByteArrayInputStream(xmlEnc.getBytes("UTF-8")));
51 Document doc = reader.read(source);
52 assertEquals("UTF-8", doc.getXMLEncoding());
53
54 doc = reader.read(new StringReader(xmlEnc));
55 assertNull(doc.getXMLEncoding());
56 }
57
58 public void testXMLEncodingFromURL() throws Exception {
59 URL url1 = getClass().getResource("/xml/test/encode.xml");
60 URL url2 = getClass().getResource("/xml/russArticle.xml");
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62 SAXReader reader = new SAXReader("org.apache.xerces.parsers.SAXParser");
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64 Document doc = reader.read(url1);
65 assertEquals("UTF-8", doc.getXMLEncoding());
66
67 doc = reader.read(url2);
68 assertEquals("koi8-r", doc.getXMLEncoding());
69 }
70
71 public void testXMLEncodingFromStringWithHelper() throws Exception {
72 String xmlEnc = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<root/>";
73 String xmlNoEnc = "<root/>";
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75 String defaultParser = System.getProperty("javax.xml.parsers.SAXParserFactory");
76 try {
77 System.setProperty("javax.xml.parsers.SAXParserFactory", "org.apache.xerces.jaxp.SAXParserFactoryImpl");
78
79 Document doc = DocumentHelper.parseText(xmlEnc);
80 assertEquals("UTF-8", doc.getXMLEncoding());
81
82 doc = DocumentHelper.parseText(xmlNoEnc);
83 assertNull(doc.getXMLEncoding());
84 } finally {
85 System.setProperty("javax.xml.parsers.SAXParserFactory", defaultParser);
86 }
87 }
88
89 }
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