1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * 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   */
22  
23  package com.liferay.portlet.journal.util;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.util.StringPool;
27  
28  import java.util.Locale;
29  
30  import javax.xml.transform.ErrorListener;
31  import javax.xml.transform.SourceLocator;
32  import javax.xml.transform.TransformerException;
33  
34  import org.apache.xml.utils.SAXSourceLocator;
35  import org.apache.xml.utils.WrappedRuntimeException;
36  
37  import org.xml.sax.SAXException;
38  import org.xml.sax.SAXParseException;
39  
40  /**
41   * <a href="JournalXslErrorListener.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Raymond Augé
44   *
45   */
46  public class JournalXslErrorListener implements ErrorListener {
47  
48      public JournalXslErrorListener(long companyId, Locale locale) {
49          _companyId = companyId;
50          _locale = locale;
51      }
52  
53      public void error(TransformerException exception)
54          throws TransformerException {
55  
56          setLocation(exception);
57  
58          throw exception;
59      }
60  
61      public void fatalError(TransformerException exception)
62          throws TransformerException {
63  
64          setLocation(exception);
65  
66          throw exception;
67      }
68  
69      public void warning(TransformerException exception)
70          throws TransformerException {
71  
72          setLocation(exception);
73  
74          throw exception;
75      }
76  
77      public void setLocation(Throwable exception) {
78          SourceLocator locator = null;
79          Throwable cause = exception;
80          Throwable rootCause = null;
81  
82          while (cause != null) {
83              if (cause instanceof SAXParseException) {
84                  locator = new SAXSourceLocator((SAXParseException)cause);
85                  rootCause = cause;
86              }
87              else if (cause instanceof TransformerException) {
88                  SourceLocator causeLocator =
89                      ((TransformerException)cause).getLocator();
90  
91                  if (causeLocator != null) {
92                      locator = causeLocator;
93                      rootCause = cause;
94                  }
95              }
96  
97              if (cause instanceof TransformerException) {
98                  cause = ((TransformerException)cause).getCause();
99              }
100             else if (cause instanceof WrappedRuntimeException) {
101                 cause = ((WrappedRuntimeException)cause).getException();
102             }
103             else if (cause instanceof SAXException) {
104                 cause = ((SAXException)cause).getException();
105             }
106             else {
107                 cause = null;
108             }
109         }
110 
111         _message = rootCause.getMessage();
112 
113         if (locator != null) {
114             _lineNumber = locator.getLineNumber();
115             _columnNumber = locator.getColumnNumber();
116 
117             StringBuilder sb = new StringBuilder();
118 
119             sb.append(LanguageUtil.get(_companyId, _locale, "line"));
120             sb.append(" #");
121             sb.append(locator.getLineNumber());
122             sb.append("; ");
123             sb.append(LanguageUtil.get(_companyId, _locale, "column"));
124             sb.append(" #");
125             sb.append(locator.getColumnNumber());
126             sb.append("; ");
127 
128             _location = sb.toString();
129         }
130         else {
131             _location = StringPool.BLANK;
132         }
133     }
134 
135     public String getLocation() {
136         return _location;
137     }
138 
139     public String getMessage() {
140         return _message;
141     }
142 
143     public String getMessageAndLocation() {
144         return _message + " " + _location;
145     }
146 
147     public int getLineNumber() {
148         return _lineNumber;
149     }
150 
151     public int getColumnNumber() {
152         return _columnNumber;
153     }
154 
155     private long _companyId;
156     private Locale _locale;
157     private String _location;
158     private String _message;
159     private int _lineNumber;
160     private int _columnNumber;
161 
162 }