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/*
 * Copyright (C) The MX4J Contributors.
 * All rights reserved.
 *
 * This software is distributed under the terms of the MX4J License version 1.0.
 * See the terms of the MX4J License in the documentation provided with this software.
 */

package javax.management;

import java.io.PrintStream;
import java.io.PrintWriter;

/**
 * Thrown when a MBean method invoked by the MBeanServer throws any non-reflection RuntimeException.
 *
 * @version $Revision: 1.8 $
 */
public class RuntimeMBeanException extends JMRuntimeException
{
   private static final long serialVersionUID = 5274912751982730171L;

   /**
    * @serial The nested exception
    */
   private RuntimeException runtimeException;

   /**
    * Creates a new RuntimeMBeanException
    *
    * @param exception The nested RuntimeException
    */
   public RuntimeMBeanException(RuntimeException exception)
   {
      this.runtimeException = exception;
   }

   /**
    * Creates a new RuntimeMBeanException
    *
    * @param exception The nested RuntimeException
    * @param message   The message
    */
   public RuntimeMBeanException(RuntimeException exception, String message)
   {
      super(message);
      this.runtimeException = exception;
   }

   /**
    * Returns the nested RuntimeException
    */
   public RuntimeException getTargetException()
   {
      return runtimeException;
   }

   /**
    * Returns the nested RuntimeException
    */
   public Throwable getCause()
   {
      return getTargetException();
   }

   public String getMessage()
   {
      return super.getMessage() + " nested runtime exception is " + runtimeException;
   }

   public void printStackTrace()
   {
      if (runtimeException == null)
      {
         super.printStackTrace();
      }
      else
      {
         synchronized (System.err)
         {
            System.err.println(this);
            runtimeException.printStackTrace();
         }
      }
   }

   public void printStackTrace(PrintStream s)
   {
      if (runtimeException == null)
      {
         super.printStackTrace(s);
      }
      else
      {
         synchronized (s)
         {
            s.println(this);
            runtimeException.printStackTrace(s);
         }
      }
   }

   public void printStackTrace(PrintWriter w)
   {
      if (runtimeException == null)
      {
         super.printStackTrace(w);
      }
      else
      {
         synchronized (w)
         {
            w.println(this);
            runtimeException.printStackTrace(w);
         }
      }
   }
}