emul/mini/src/main/java/java/lang/reflect/InvocationTargetException.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Wed, 23 Jan 2013 20:39:23 +0100
branchemul
changeset 554 05224402145d
parent 258 emul/src/main/java/java/lang/reflect/InvocationTargetException.java@21b390daf444
permissions -rw-r--r--
First attempt to separate 'mini' profile from the rest of JDK APIs
     1 /*
     2  * Copyright (c) 1996, 2004, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Oracle designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Oracle in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22  * or visit www.oracle.com if you need additional information or have any
    23  * questions.
    24  */
    25 
    26 package java.lang.reflect;
    27 
    28 /**
    29  * InvocationTargetException is a checked exception that wraps
    30  * an exception thrown by an invoked method or constructor.
    31  *
    32  * <p>As of release 1.4, this exception has been retrofitted to conform to
    33  * the general purpose exception-chaining mechanism.  The "target exception"
    34  * that is provided at construction time and accessed via the
    35  * {@link #getTargetException()} method is now known as the <i>cause</i>,
    36  * and may be accessed via the {@link Throwable#getCause()} method,
    37  * as well as the aforementioned "legacy method."
    38  *
    39  * @see Method
    40  * @see Constructor
    41  */
    42 public class InvocationTargetException extends ReflectiveOperationException {
    43     /**
    44      * Use serialVersionUID from JDK 1.1.X for interoperability
    45      */
    46     private static final long serialVersionUID = 4085088731926701167L;
    47 
    48      /**
    49      * This field holds the target if the
    50      * InvocationTargetException(Throwable target) constructor was
    51      * used to instantiate the object
    52      *
    53      * @serial
    54      *
    55      */
    56     private Throwable target;
    57 
    58     /**
    59      * Constructs an {@code InvocationTargetException} with
    60      * {@code null} as the target exception.
    61      */
    62     protected InvocationTargetException() {
    63         super((Throwable)null);  // Disallow initCause
    64     }
    65 
    66     /**
    67      * Constructs a InvocationTargetException with a target exception.
    68      *
    69      * @param target the target exception
    70      */
    71     public InvocationTargetException(Throwable target) {
    72         super((Throwable)null);  // Disallow initCause
    73         this.target = target;
    74     }
    75 
    76     /**
    77      * Constructs a InvocationTargetException with a target exception
    78      * and a detail message.
    79      *
    80      * @param target the target exception
    81      * @param s      the detail message
    82      */
    83     public InvocationTargetException(Throwable target, String s) {
    84         super(s, null);  // Disallow initCause
    85         this.target = target;
    86     }
    87 
    88     /**
    89      * Get the thrown target exception.
    90      *
    91      * <p>This method predates the general-purpose exception chaining facility.
    92      * The {@link Throwable#getCause()} method is now the preferred means of
    93      * obtaining this information.
    94      *
    95      * @return the thrown target exception (cause of this exception).
    96      */
    97     public Throwable getTargetException() {
    98         return target;
    99     }
   100 
   101     /**
   102      * Returns the cause of this exception (the thrown target exception,
   103      * which may be {@code null}).
   104      *
   105      * @return  the cause of this exception.
   106      * @since   1.4
   107      */
   108     public Throwable getCause() {
   109         return target;
   110     }
   111 }