dom4j - 1.6.1

Clover coverage report - dom4j - 1.6.1
Coverage timestamp: ma mei 16 2005 14:23:01 GMT+01:00
FRAMES NO FRAMES

file stats: | LOC: | 195 |  | Methods: | 6
| NCLOC: | 86 |  | Classes: | 1

Source file | Conditionals | Statements | Methods | TOTAL

SAXHelper.java

21,4%

43,2%

66,7%

40,4%

1 |  | /*
2 |  | * Copyright 2001-2005 (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 |  |
8 |  | package org.dom4j.io;
9 |  |
10 |  | import org.xml.sax.SAXException;
11 |  | import org.xml.sax.SAXNotRecognizedException;
12 |  | import org.xml.sax.SAXNotSupportedException;
13 |  | import org.xml.sax.XMLReader;
14 |  | import org.xml.sax.helpers.XMLReaderFactory;
15 |  |
16 |  | /**
17 |  | * <p>
18 |  | * <code>SAXHelper</code> contains some helper methods for working with SAX
19 |  | * and XMLReader objects.
20 |  | * </p>
21 |  | *
22 |  | * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
23 |  | * @version $Revision: 1.18 $
24 |  | */
25 |  | class SAXHelper {
26 |  | private static boolean loggedWarning = true;
27 |  |
28 | 0 | protected SAXHelper() {
29 |  | }
30 |  |
31 | 11590 | public static boolean setParserProperty(XMLReader reader,
32 |  | String propertyName, Object value) {
33 | 11590 | try {
34 | 11590 | reader.setProperty(propertyName, value);
35 |  |
36 | 5798 | return true;
37 |  | } catch (SAXNotSupportedException e) {
38 |  | // ignore
39 |  | } catch (SAXNotRecognizedException e) {
40 |  | // ignore
41 |  | }
42 |  |
43 | 5792 | return false;
44 |  | }
45 |  |
46 | 23168 | public static boolean setParserFeature(XMLReader reader,
47 |  | String featureName, boolean value) {
48 | 23168 | try {
49 | 23168 | reader.setFeature(featureName, value);
50 |  |
51 | 17376 | return true;
52 |  | } catch (SAXNotSupportedException e) {
53 |  | // ignore
54 |  | } catch (SAXNotRecognizedException e) {
55 |  | // ignore
56 |  | }
57 |  |
58 | 5792 | return false;
59 |  | }
60 |  |
61 |  | /**
62 |  | * Creats a default XMLReader via the org.xml.sax.driver system property or
63 |  | * JAXP if the system property is not set.
64 |  | *
65 |  | * @param validating
66 |  | * DOCUMENT ME!
67 |  | *
68 |  | * @return DOCUMENT ME!
69 |  | *
70 |  | * @throws SAXException
71 |  | * DOCUMENT ME!
72 |  | */
73 | 5758 | public static XMLReader createXMLReader(boolean validating)
74 |  | throws SAXException {
75 | 5764 | XMLReader reader = null;
76 |  |
77 | 5764 | if (reader == null) {
78 | 5764 | reader = createXMLReaderViaJAXP(validating, true);
79 |  | }
80 |  |
81 | 5764 | if (reader == null) {
82 | 0 | try {
83 | 0 | reader = XMLReaderFactory.createXMLReader();
84 |  | } catch (Exception e) {
85 | 0 | if (isVerboseErrorReporting()) {
86 |  | // log all exceptions as warnings and carry
87 |  | // on as we have a default SAX parser we can use
88 | 0 | System.out.println("Warning: Caught exception attempting "
89 |  | + "to use SAX to load a SAX XMLReader ");
90 | 0 | System.out.println("Warning: Exception was: " + e);
91 | 0 | System.out
92 |  | .println("Warning: I will print the stack trace "
93 |  | + "then carry on using the default "
94 |  | + "SAX parser");
95 | 0 | e.printStackTrace();
96 |  | }
97 |  |
98 | 0 | throw new SAXException(e);
99 |  | }
100 |  | }
101 |  |
102 | 5764 | if (reader == null) {
103 | 0 | throw new SAXException("Couldn't create SAX reader");
104 |  | }
105 |  |
106 | 5764 | return reader;
107 |  | }
108 |  |
109 |  | /**
110 |  | * This method attempts to use JAXP to locate the SAX2 XMLReader
111 |  | * implementation. This method uses reflection to avoid being dependent
112 |  | * directly on the JAXP classes.
113 |  | *
114 |  | * @param validating
115 |  | * DOCUMENT ME!
116 |  | * @param namespaceAware
117 |  | * DOCUMENT ME!
118 |  | *
119 |  | * @return DOCUMENT ME!
120 |  | */
121 | 5764 | protected static XMLReader createXMLReaderViaJAXP(boolean validating,
122 |  | boolean namespaceAware) {
123 |  | // try use JAXP to load the XMLReader...
124 | 5764 | try {
125 | 5764 | return JAXPHelper.createXMLReader(validating, namespaceAware);
126 |  | } catch (Throwable e) {
127 | 0 | if (!loggedWarning) {
128 | 0 | loggedWarning = true;
129 |  |
130 | 0 | if (isVerboseErrorReporting()) {
131 |  | // log all exceptions as warnings and carry
132 |  | // on as we have a default SAX parser we can use
133 | 0 | System.out.println("Warning: Caught exception attempting "
134 |  | + "to use JAXP to load a SAX XMLReader");
135 | 0 | System.out.println("Warning: Exception was: " + e);
136 | 0 | e.printStackTrace();
137 |  | }
138 |  | }
139 |  | }
140 |  |
141 | 0 | return null;
142 |  | }
143 |  |
144 | 0 | protected static boolean isVerboseErrorReporting() {
145 | 0 | try {
146 | 0 | String flag = System.getProperty("org.dom4j.verbose");
147 |  |
148 | 0 | if ((flag != null) && flag.equalsIgnoreCase("true")) {
149 | 0 | return true;
150 |  | }
151 |  | } catch (Exception e) {
152 |  | // in case a security exception
153 |  | // happens in an applet or similar JVM
154 |  | }
155 |  |
156 | 0 | return true;
157 |  | }
158 |  | }
159 |  |
160 |  | /*
161 |  | * Redistribution and use of this software and associated documentation
162 |  | * ("Software"), with or without modification, are permitted provided that the
163 |  | * following conditions are met:
164 |  | *
165 |  | * 1. Redistributions of source code must retain copyright statements and
166 |  | * notices. Redistributions must also contain a copy of this document.
167 |  | *
168 |  | * 2. Redistributions in binary form must reproduce the above copyright notice,
169 |  | * this list of conditions and the following disclaimer in the documentation
170 |  | * and/or other materials provided with the distribution.
171 |  | *
172 |  | * 3. The name "DOM4J" must not be used to endorse or promote products derived
173 |  | * from this Software without prior written permission of MetaStuff, Ltd. For
174 |  | * written permission, please contact dom4j-info@metastuff.com.
175 |  | *
176 |  | * 4. Products derived from this Software may not be called "DOM4J" nor may
177 |  | * "DOM4J" appear in their names without prior written permission of MetaStuff,
178 |  | * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
179 |  | *
180 |  | * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
181 |  | *
182 |  | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
183 |  | * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
184 |  | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
185 |  | * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
186 |  | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
187 |  | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
188 |  | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
189 |  | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
190 |  | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
191 |  | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
192 |  | * POSSIBILITY OF SUCH DAMAGE.
193 |  | *
194 |  | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
195 |  | */