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JavaTM 2 Platform Std. Ed. v1.4.2

java.lang.reflect
Class UndeclaredThrowableException

java.lang.Object
  extended byjava.lang.Throwable
      extended byjava.lang.Exception
          extended byjava.lang.RuntimeException
              extended byjava.lang.reflect.UndeclaredThrowableException
All Implemented Interfaces:
Serializable

public class UndeclaredThrowableException
extends RuntimeException

Thrown by a method invocation on a proxy instance if its invocation handler's invoke method throws a checked exception (a Throwable that is not assignable to RuntimeException or Error) that is not assignable to any of the exception types declared in the throws clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.

An UndeclaredThrowableException instance contains the undeclared checked exception that was thrown by the invocation handler, and it can be retrieved with the getUndeclaredThrowable() method. UndeclaredThrowableException extends RuntimeException, so it is an unchecked exception that wraps a checked exception.

As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "undeclared checked exception that was thrown by the invocation handler" that may be provided at construction time and accessed via the getUndeclaredThrowable() method is now known as the cause, and may be accessed via the Throwable.getCause() method, as well as the aforementioned "legacy method."

Since:
JDK1.3
See Also:
InvocationHandler, Serialized Form

Constructor Summary
UndeclaredThrowableException(Throwable undeclaredThrowable)
          Constructs an UndeclaredThrowableException with the specified Throwable.
UndeclaredThrowableException(Throwable undeclaredThrowable, String s)
          Constructs an UndeclaredThrowableException with the specified Throwable and a detail message.
 
Method Summary
 Throwable getCause()
          Returns the the cause of this exception (the Throwable instance wrapped in this UndeclaredThrowableException, which may be null).
 Throwable getUndeclaredThrowable()
          Returns the Throwable instance wrapped in this UndeclaredThrowableException, which may be null.
 
Methods inherited from class java.lang.Throwable
fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

UndeclaredThrowableException

public UndeclaredThrowableException(Throwable undeclaredThrowable)
Constructs an UndeclaredThrowableException with the specified Throwable.

Parameters:
undeclaredThrowable - the undeclared checked exception that was thrown

UndeclaredThrowableException

public UndeclaredThrowableException(Throwable undeclaredThrowable,
                                    String s)
Constructs an UndeclaredThrowableException with the specified Throwable and a detail message.

Parameters:
undeclaredThrowable - the undeclared checked exception that was thrown
s - the detail message
Method Detail

getUndeclaredThrowable

public Throwable getUndeclaredThrowable()
Returns the Throwable instance wrapped in this UndeclaredThrowableException, which may be null.

This method predates the general-purpose exception chaining facility. The Throwable.getCause() method is now the preferred means of obtaining this information.

Returns:
the undeclared checked exception that was thrown

getCause

public Throwable getCause()
Returns the the cause of this exception (the Throwable instance wrapped in this UndeclaredThrowableException, which may be null).

Overrides:
getCause in class Throwable
Returns:
the cause of this exception.
Since:
1.4

Copyright 2003 Sun Microsystems, Inc. All rights reserved
Responsables bénévoles de la rubrique Java : Mickael Baron - Robin56 -

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