129 lines
3.4 KiB
Java
129 lines
3.4 KiB
Java
/* InvocationTargetException.java - Wrapper exception for reflection
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.lang.reflect;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* Status: Believed complete and correct.
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*/
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/**
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* InvocationTargetException is sort of a way to "wrap" whatever exception
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* comes up when a method or constructor is called via Reflection.
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*
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* @author John Keiser
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* @version 1.1.0, 31 May 1998
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* @author Tom Tromey <tromey@cygnus.com>
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* @date December 12, 1998
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*
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* @see Method#invoke(Object,Object[])
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* @see Constructor#newInstance(Object[])
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*/
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public class InvocationTargetException extends Exception
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{
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static final long serialVersionUID = 4085088731926701167L;
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private Throwable target = null;
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protected InvocationTargetException()
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{
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super();
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}
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/**
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* Create an <code>InvocationTargetException</code> using another
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* exception.
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* @param targetException the exception to wrap
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*/
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public InvocationTargetException(Throwable targetException)
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{
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super(targetException.toString());
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target = targetException;
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}
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/**
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* Create an <code>InvocationTargetException</code> using another
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* exception and an error message.
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*
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* @param targetException the exception to wrap
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* @param err an extra reason for the exception-throwing
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*/
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public InvocationTargetException(Throwable targetException, String err)
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{
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super(err);
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target = targetException;
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}
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/**
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* Get the wrapped (targeted) exception.
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*
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* @return the targeted exception.
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*/
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public Throwable getTargetException()
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{
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return target;
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}
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public void printStackTrace()
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{
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if (target == null)
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super.printStackTrace();
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else
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{
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System.err.print(this.getClass() + ": ");
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target.printStackTrace();
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}
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}
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public void printStackTrace(PrintStream ps)
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{
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if (target == null)
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super.printStackTrace(ps);
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else
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{
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ps.print(this.getClass() + ": ");
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target.printStackTrace(ps);
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}
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}
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public void printStackTrace(PrintWriter pw)
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{
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if (target == null)
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super.printStackTrace(pw);
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else
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{
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pw.print(this.getClass() + ": ");
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target.printStackTrace(pw);
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}
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}
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}
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