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112 lines
2.7 KiB
112 lines
2.7 KiB
/*
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* Copyright (c) 1996, 2004, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.lang.reflect;
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/**
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* InvocationTargetException is a checked exception that wraps
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* an exception thrown by an invoked method or constructor.
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*
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* <p>As of release 1.4, this exception has been retrofitted to conform to
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* the general purpose exception-chaining mechanism. The "target exception"
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* that is provided at construction time and accessed via the
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* {@link #getTargetException()} method is now known as the <i>cause</i>,
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* and may be accessed via the {@link Throwable#getCause()} method,
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* as well as the aforementioned "legacy method."
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*
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* @see Method
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* @see Constructor
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*/
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public class InvocationTargetException extends ReflectiveOperationException {
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/**
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* Use serialVersionUID from JDK 1.1.X for interoperability
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*/
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private static final long serialVersionUID = 4085088731926701167L;
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/**
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* This field holds the target if the
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* InvocationTargetException(Throwable target) constructor was
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* used to instantiate the object
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*
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* @serial
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*
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*/
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private Throwable target;
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/**
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* Constructs an {@code InvocationTargetException} with
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* {@code null} as the target exception.
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*/
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protected InvocationTargetException() {
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super((Throwable)null); // Disallow initCause
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}
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/**
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* Constructs a InvocationTargetException with a target exception.
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*
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* @param target the target exception
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*/
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public InvocationTargetException(Throwable target) {
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super((Throwable)null); // Disallow initCause
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this.target = target;
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}
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/**
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* Constructs a InvocationTargetException with a target exception
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* and a detail message.
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*
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* @param target the target exception
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* @param s the detail message
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*/
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public InvocationTargetException(Throwable target, String s) {
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super(s, null); // Disallow initCause
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this.target = target;
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}
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/**
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* Get the thrown target exception.
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*
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* <p>This method predates the general-purpose exception chaining facility.
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* The {@link Throwable#getCause()} method is now the preferred means of
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* obtaining this information.
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*
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* @return the thrown target exception (cause of this exception).
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*/
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public Throwable getTargetException() {
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return target;
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}
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/**
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* Returns the cause of this exception (the thrown target exception,
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* which may be {@code null}).
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*
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* @return the cause of this exception.
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* @since 1.4
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*/
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public Throwable getCause() {
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return target;
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}
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}
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