/*
 
* Copyright (c) 1996, 2004, Oracle and/or its affiliates. All rights reserved.
 
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
*
 
* This code is free software; you can redistribute it and/or modify it
 
* under the terms of the GNU General Public License version 2 only, as
 
* published by the Free Software Foundation.
  
Oracle designates this
 
* particular file as subject to the "Classpath" exception as provided
 
* by Oracle in the LICENSE file that accompanied this code.
 
*
 
* This code is distributed in the hope that it will be useful, but WITHOUT
 
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
* FITNESS FOR A PARTICULAR PURPOSE.
  
See the GNU General Public License
 
* version 2 for more details (a copy is included in the LICENSE file that
 
* accompanied this code).
 
*
 
* You should have received a copy of the GNU General Public License version
 
* 2 along with this work; if not, write to the Free Software Foundation,
 
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 
*
 
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 
* or visit www.oracle.com if you need additional information or have any
 
* questions.
 
*/

package java.lang.reflect;

/**
 
* InvocationTargetException is a checked exception that wraps
 
* an exception thrown by an invoked method or constructor.
 
*
 
* <p>As of release 1.4, this exception has been retrofitted to conform to
 
* the general purpose exception-chaining mechanism.
  
The "target exception"
 
* that is provided at construction time and accessed via the
 
*
 
method is now known as the <i>cause</i>,
 
* and may be accessed via the {@link Throwable#getCause()} method,
 
* as well as the aforementioned "legacy method."
 
*
 
* @see Method
 
* @see Constructor
 
*/

public class InvocationTargetException extends ReflectiveOperationException {
    
/**
     
* Use serialVersionUID from JDK 1.1.X for interoperability
     
*/
    
private static final long serialVersionUID = 4085088731926701167L;

     
/**
     
* This field holds the target if the
     
* InvocationTargetException(Throwable target) constructor was
     
* used to instantiate the object
     
*
     
* @serial
     
*
     
*/

    
private Throwable target;

    
/**
     
* Constructs an {@code InvocationTargetException} with
     
* {@code null} as the target exception.
     
*/

    
protected InvocationTargetException() {
        
super((Throwable)null);
  
// Disallow initCause
    
}

    
/**
     
* Constructs a InvocationTargetException with a target exception.
     
*
     
* @param target the target exception
     
*/

    
public InvocationTargetException(Throwable target) {
        
super((Throwable)null);
  
// Disallow initCause
        
this.target = target;
    
}

    
/**
     
* Constructs a InvocationTargetException with a target exception
     
* and a detail message.
     
*
     
* @param target the target exception
     
* @param s
      
the detail message
     
*/

    
public InvocationTargetException(Throwable target, String s) {
        
super(s, null);
  
// Disallow initCause
        
this.target = target;
    
}

    
/**
     
* Get the thrown target exception.
     
*
     
* <p>This method predates the general-purpose exception chaining facility.
     
* The {@link Throwable#getCause()} method is now the preferred means of
     
* obtaining this information.
     
*
     
* @return the thrown target exception (cause of this exception).
     
*/

    
public Throwable getTargetException() {
        
return target;
    
}

    
/**
     
* Returns the cause of this exception (the thrown target exception,
     
* which may be {@code null}).
     
*
     
* @return
  
the cause of this exception.
     
* @since
   
1.4
     
*/

    
public Throwable getCause() {
        
return target;
    
}
}