java.lang.reflect
Class InvocationTargetException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.reflect.InvocationTargetException

public class InvocationTargetException

extends Exception

InvocationTargetException is sort of a way to "wrap" whatever exception comes up when a method or constructor is called via Reflection. As of JDK 1.4, it was retrofitted to match the exception chaining of all other exceptions, but getTargetException() still works.

Since:

1.1

See Also:

Method.invoke(Object,Object[]), Constructor.newInstance(Object[])

Constructor Summary

protected	InvocationTargetException() Construct an exception with null as the cause.
	InvocationTargetException(Throwable targetException) Create an InvocationTargetException using another exception.
	InvocationTargetException(Throwable targetException, String err) Create an InvocationTargetException using another exception and an error message.

Method Summary

Throwable	getCause() Returns the cause of this exception (which may be null).
Throwable	getTargetException() Get the wrapped (targeted) exception.

Methods inherited from class java.lang.Throwable

fillInStackTrace, getMessage, initCause, printStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode

Constructor Detail

InvocationTargetException

protected InvocationTargetException()

Construct an exception with null as the cause. The cause is initialized to null.

InvocationTargetException

public InvocationTargetException(Throwable targetException)

Create an InvocationTargetException using another exception.

Parameters:

targetException - the exception to wrap

InvocationTargetException

public InvocationTargetException(Throwable targetException,
                                 String err)

Create an InvocationTargetException using another exception and an error message.

Parameters:

targetException - the exception to wrap

err - an extra reason for the exception-throwing

Method Detail

getTargetException

public Throwable getTargetException()

Get the wrapped (targeted) exception.

Returns:

the targeted exception

See Also:

getCause()

getCause

public Throwable getCause()

Returns the cause of this exception (which may be null).

Overrides:

getCause in class Throwable

Returns:

the cause

Since:

1.4