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Java > Open Source Codes > com > hp > hpl > jena > rdf > arp > WrappedException


1 /*
2  * (c) Copyright 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  
27  * * $Id: WrappedException.java,v 1.3 2005/02/21 12:09:17 andy_seaborne Exp $
28    
29    AUTHOR: Jeremy J. Carroll
30 */
31 /*
32  * WrappedException.java
33  *
34  * Created on July 10, 2001, 11:44 AM
35  */
36
37 package com.hp.hpl.jena.rdf.arp;
38
39 import org.xml.sax.SAXException JavaDoc;
40 import org.xml.sax.SAXParseException JavaDoc;
41 /**
42  * Wrap some other exception - being wise to SAXExceptions which
43  * wrap something else.
44  * @author jjc
45  
46  */
47 class WrappedException extends java.lang.RuntimeException JavaDoc {
48     final Exception JavaDoc inner;
49     /** Creates new WrappedException */
50     WrappedException(SAXException JavaDoc e) {
51         Exception JavaDoc in0 = e.getException();
52         if ( in0 == null
53              || !( (in0 instanceof RuntimeException JavaDoc)
54                  )
55            )
56             inner = e;
57         else
58             inner = in0;
59     }
60     WrappedException(Exception JavaDoc e) {
61         inner = e;
62     }
63     /** Throw the exception, prefering to throw an
64      unchecked exception if possible, or a SAXException
65      if not.
66      */
67     void throwMe() throws SAXException JavaDoc {
68         if ( inner instanceof SAXException JavaDoc ) {
69             throw (SAXException JavaDoc)inner;
70         }
71         if ( inner instanceof RuntimeException JavaDoc ) {
72             throw (RuntimeException JavaDoc)inner;
73         }
74         throw new SAXParseException JavaDoc(null,null,inner);
75     }
76     
77
78 }
79
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