001 /* 002 Copyright (C) 2001 Laurent Martelli 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 017 018 package org.objectweb.jac.util; 019 020 import java.lang.reflect.InvocationTargetException; 021 022 023 /** 024 * Various often used Exception functions 025 */ 026 public class Exceptions 027 { 028 public static Throwable getTargetException(Throwable throwable) { 029 while (throwable instanceof WrappedThrowableException || 030 throwable instanceof InvocationTargetException) { 031 if (throwable instanceof WrappedThrowableException) { 032 throwable = ((WrappedThrowableException)throwable).getWrappedThrowable(); 033 } else if (throwable instanceof InvocationTargetException) { 034 throwable = ((InvocationTargetException)throwable).getTargetException(); 035 } 036 } 037 return throwable; 038 } 039 }