libjava/classpath/javax/management/ReflectionException.java

   1 /* ReflectionException.java -- A reflection-based management exception.
   2    Copyright (C) 2006 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.management;
  39
  40 /**
  41  * Represents one of the reflection exceptions thrown by a
  42  * management bean.  When a management bean tries to perform
  43  * a lookup using the reflection API and encounters an exception,
  44  * it gets wrapped inside an {@link ReflectionException}.
  45  * Calling {@link getTargetException()} will return the wrapped
  46  * exception.
  47  *
  48  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  49  * @since 1.5
  50  */
  51 public class ReflectionException
  52   extends JMException
  53 {
  54
  55   /**
  56    * Compatible with JDK 1.5
  57    */
  58   private static final long serialVersionUID = 9170809325636915553L;
  59
  60   /* Sun re-implemented causality -- don't know why, but
  61      serialization demands we do too... */
  62
  63   /**
  64    * The target exception.
  65    *
  66    * @serial the target exception.
  67    */
  68   private Exception exception;
  69
  70   /**
  71    * Constructs a new <code>ReflectionException</code> wrapping
  72    * the specified exception.
  73    *
  74    * @param e the exception to be wrapped.
  75    */
  76   public ReflectionException(Exception e)
  77   {
  78     super();
  79     exception = e;
  80   }
  81
  82   /**
  83    * Constructs a new <code>ReflectionException</code> wrapping
  84    * the specified exception and using the supplied message.
  85    *
  86    * @param e the exception to be wrapped.
  87    * @param message the error message to give to the user.
  88    */
  89   public ReflectionException(Exception e, String message)
  90   {
  91     super(message);
  92     exception = e;
  93   }
  94
  95   /**
  96    * Returns the true cause of this exception, the wrapped
  97    * exception.
  98    *
  99    * @return the wrapped exception.
 100    */
 101   public Throwable getCause()
 102   {
 103     return exception;
 104   }
 105
 106   /**
 107    * Returns the true cause of this exception, the wrapped
 108    * exception.
 109    *
 110    * @return the wrapped exception.
 111    */
 112   public Exception getTargetException()
 113   {
 114     return exception;
 115   }
 116
 117 }