XSLTErrorListener


1   package de.webman.util.xslt;
2   
3   import javax.xml.transform.ErrorListener  ;
4   import javax.xml.transform.TransformerException  ;
5   import org.apache.log4j.Category;
6   
7   /**
8    * Implementierung des JAXP Error Listeners.
9    *
10   * @author  $Author: alex $
11   * @version $Revision: 1.2 $
12   */
13  public class XSLTErrorListener
14      implements ErrorListener  
15  {
16  
17      // $Id: XSLTErrorListener.java,v 1.2 2001/11/06 12:25:40 alex Exp $
18  
19      // Constants.
20  
21      /**
22       * The warning message.
23       */
24      private static final String   MESSAGE_WARNING = "Warning during XSL transformation: ";
25  
26      /**
27       * The error message.
28       */
29      private static final String   MESSAGE_ERROR = "Recoverable error during XSL transformation: ";
30  
31      /**
32       * The fatal error message.
33       */
34      private static final String   MESSAGE_FATAL_ERROR = "Non-recoverable error during XSL transformation: ";
35  
36      /**
37       * The logging category.
38       */
39      private static Category cat = Category.getInstance(XSLTErrorListener.class);
40  
41  
42      // Implementation of 'javax.xml.transform.ErrorListener'.
43  
44      /**
45       * Logs a warning.
46       *
47       * @param exception the warning information encapsulated in a
48       * transformer exception.
49       */
50      public void warning (TransformerException   exception)
51      {
52          cat.warn(MESSAGE_WARNING + exception.toString(), exception);
53      }
54  
55      /**
56       * Logs a recoverable error.
57       *
58       * @param exception the error information encapsulated in a
59       * transformer exception.
60       */
61      public void error (TransformerException   exception)
62      {
63          cat.error(MESSAGE_ERROR + exception.toString(), exception);
64      }
65  
66      /**
67       * Logs a non-recoverable error.
68       *
69       * @param exception the error information encapsulated in a
70       * transformer exception.
71       */
72      public void fatalError (TransformerException   exception)
73      {
74          cat.error(MESSAGE_FATAL_ERROR + exception.toString(), exception);
75      }
76  
77  }
78
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