/* |
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* Copyright (c) 1996, 2020, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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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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* @see Method |
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* @see Constructor |
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* @since 1.1 |
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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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@java.io.Serial |
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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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* @apiNote |
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* 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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@Override |
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public Throwable getCause() { |
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return target; |
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} |
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} |