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Java > Open Source Codes > com > sun > cli > util > ExceptionUtil


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */

23  
24 /*
25  * $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/util/ExceptionUtil.java,v 1.3 2005/12/25 03:45:58 tcfujii Exp $
26  * $Revision: 1.3 $
27  * $Date: 2005/12/25 03:45:58 $
28  */

29  
30 package com.sun.cli.util;
31
32 public final class ExceptionUtil
33 {
34         private
35     ExceptionUtil()
36     {
37         // disallow instantiation
38
}
39     
40         public static Throwable JavaDoc
41     getRootCause( Exception JavaDoc e )
42     {
43         // sort through the multi-layer exceptions to find the root cause and return that one
44
Throwable JavaDoc t = e;
45         while ( t != null )
46         {
47             final Throwable JavaDoc temp = t.getCause();
48             if ( temp == null )
49                 break;
50             t = temp;
51         }
52         
53         return( t );
54     }
55 }
56
57
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