01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * furnished to do so, subject to the following conditions:
10: *
11: * The above copyright notice and this permission notice shall be included in
12: * all copies or substantial portions of the Software.
13: *
14: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20: * SOFTWARE.
21: */package com.liferay.portal.util;
22:
23: import org.apache.commons.logging.Log;
24: import org.apache.commons.logging.LogFactory;
25:
26: import org.dom4j.io.SAXReader;
27:
28: /**
29: * <a href="SAXReaderFactory.java.html"><b><i>View Source</i></b></a>
30: *
31: * @author Brian Wing Shun Chan
32: *
33: */
34: public class SAXReaderFactory {
35:
36: public static SAXReader getInstance() {
37: return getInstance(true);
38: }
39:
40: public static SAXReader getInstance(boolean validate) {
41:
42: // Crimson cannot do XSD validation. See the following links:
43: //
44: // http://www.geocities.com/herong_yang/jdk/xsd_validation.html
45: // http://www.burnthacker.com/archives/000086.html
46: // http://www.theserverside.com/news/thread.tss?thread_id=22525
47:
48: SAXReader reader = null;
49:
50: try {
51: reader = new SAXReader(_SAX_PARSER_IMPL, validate);
52:
53: reader.setEntityResolver(new EntityResolver());
54:
55: reader.setFeature(_FEATURES_VALIDATION, validate);
56: reader.setFeature(_FEATURES_VALIDATION_SCHEMA, validate);
57: reader
58: .setFeature(
59: _FEATURES_VALIDATION_SCHEMA_FULL_CHECKING,
60: validate);
61: reader.setFeature(_FEATURES_DYNAMIC, validate);
62: } catch (Exception e) {
63: _log.warn("XSD validation is diasabled because "
64: + e.getMessage());
65:
66: reader = new SAXReader(validate);
67:
68: reader.setEntityResolver(new EntityResolver());
69: }
70:
71: return reader;
72: }
73:
74: private static final String _SAX_PARSER_IMPL = "org.apache.xerces.parsers.SAXParser";
75:
76: private static final String _FEATURES_VALIDATION = "http://xml.org/sax/features/validation";
77:
78: private static final String _FEATURES_VALIDATION_SCHEMA = "http://apache.org/xml/features/validation/schema";
79:
80: private static final String _FEATURES_VALIDATION_SCHEMA_FULL_CHECKING = "http://apache.org/xml/features/validation/schema-full-checking";
81:
82: private static final String _FEATURES_DYNAMIC = "http://apache.org/xml/features/validation/dynamic";
83:
84: private static Log _log = LogFactory.getLog(SAXReaderFactory.class);
85:
86: }
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