META-INF.modules.java.base.classes.java.lang.reflect.InvocationTargetException Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package java.lang.reflect;
/**
* InvocationTargetException is a checked exception that wraps
* an exception thrown by an invoked method or constructor.
*
* 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
* {@link #getTargetException()} method is now known as the cause,
* and may be accessed via the {@link Throwable#getCause()} method,
* as well as the aforementioned "legacy method."
*
* @see Method
* @see Constructor
* @since 1.1
*/
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.
*
*
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;
}
}