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Java > Open Source Codes > org > objectweb > jac > util > Exceptions


1 /*
2   Copyright (C) 2001 Laurent Martelli
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU Lesser General Public License as
6   published by the Free Software Foundation; either version 2 of the
7   License, or (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12   GNU Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
18 package org.objectweb.jac.util;
19
20 import java.lang.reflect.InvocationTargetException JavaDoc;
21
22
23 /**
24  * Various often used Exception functions
25  */
26 public class Exceptions
27 {
28    public static Throwable JavaDoc getTargetException(Throwable JavaDoc throwable) {
29       while (throwable instanceof WrappedThrowableException ||
30              throwable instanceof InvocationTargetException JavaDoc) {
31          if (throwable instanceof WrappedThrowableException) {
32             throwable = ((WrappedThrowableException)throwable).getWrappedThrowable();
33          } else if (throwable instanceof InvocationTargetException JavaDoc) {
34             throwable = ((InvocationTargetException JavaDoc)throwable).getTargetException();
35          }
36       }
37       return throwable;
38    }
39 }
40
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