java.lang.reflect.InvocationTargetException Maven / Gradle / Ivy
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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
*/
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() { // NOPMD false positive super is called
super((Throwable) null); // Disallow initCause
}
/**
* Constructs a InvocationTargetException with a target exception.
*
* @param target the target exception
*/
public InvocationTargetException(final Throwable target) { // NOPMD false positive super is called
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 message the detail message
*/
public InvocationTargetException(final Throwable target, final String message) {
super(message, 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 this.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
*/
@Override
public Throwable getCause() {
return this.target;
}
}