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1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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47  * SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 1999, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58 package com.sun.org.apache.xerces.internal.util;
59
60 import java.io.PrintWriter JavaDoc;
61
62 import com.sun.org.apache.xerces.internal.xni.XNIException;
63 import com.sun.org.apache.xerces.internal.xni.parser.XMLErrorHandler;
64 import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
65
66 /**
67  * Default error handler.
68  *
69  * @author Andy Clark, IBM
70  *
71  * @version $Id: DefaultErrorHandler.java,v 1.4 2002/01/29 01:15:18 lehors Exp $
72  */
73 public class DefaultErrorHandler
74     implements XMLErrorHandler {
75
76     //
77 // Data
78 //
79
80     /** Print writer. */
81     protected PrintWriter JavaDoc fOut;
82
83     //
84 // Constructors
85 //
86
87     /**
88      * Constructs an error handler that prints error messages to
89      * <code>System.err</code>.
90      */
91     public DefaultErrorHandler() {
92         this(new PrintWriter JavaDoc(System.err));
93     } // <init>()
94
95     /**
96      * Constructs an error handler that prints error messages to the
97      * specified <code>PrintWriter</code.
98      */
99     public DefaultErrorHandler(PrintWriter JavaDoc out) {
100         fOut = out;
101     } // <init>(PrintWriter)
102
103     //
104 // ErrorHandler methods
105 //
106
107     /** Warning. */
108     public void warning(String JavaDoc domain, String JavaDoc key, XMLParseException ex)
109         throws XNIException {
110         printError("Warning", ex);
111     } // warning(XMLParseException)
112
113     /** Error. */
114     public void error(String JavaDoc domain, String JavaDoc key, XMLParseException ex)
115         throws XNIException {
116         printError("Error", ex);
117     } // error(XMLParseException)
118
119     /** Fatal error. */
120     public void fatalError(String JavaDoc domain, String JavaDoc key, XMLParseException ex)
121         throws XNIException {
122         printError("Fatal Error", ex);
123         throw ex;
124     } // fatalError(XMLParseException)
125
126     //
127 // Private methods
128 //
129
130     /** Prints the error message. */
131     private void printError(String JavaDoc type, XMLParseException ex) {
132
133         fOut.print("[");
134         fOut.print(type);
135         fOut.print("] ");
136         String JavaDoc systemId = ex.getExpandedSystemId();
137         if (systemId != null) {
138             int index = systemId.lastIndexOf('/');
139             if (index != -1)
140                 systemId = systemId.substring(index + 1);
141             fOut.print(systemId);
142         }
143         fOut.print(':');
144         fOut.print(ex.getLineNumber());
145         fOut.print(':');
146         fOut.print(ex.getColumnNumber());
147         fOut.print(": ");
148         fOut.print(ex.getMessage());
149         fOut.println();
150         fOut.flush();
151
152     } // printError(String,SAXParseException)
153
154 } // class DefaultErrorHandler
155
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