/*
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
 * language governing rights and limitations under the License.
 * 
 * The Original Code is the Venice Web Communities System - Generic Mail Gateway.
 * 
 * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
 * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */
package com.silverwrist.mailgate;

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

public class BaseException extends Exception
{
  /*--------------------------------------------------------------------------------
   * Attributes
   *--------------------------------------------------------------------------------
   */

  private Throwable inner = null;           // internal "root cause" exception

  /*--------------------------------------------------------------------------------
   * Constructors
   *--------------------------------------------------------------------------------
   */

  public BaseException()
  {
    super();

  } // end constructor

  public BaseException(String msg)
  {
    super(msg);

  } // end constructor

  public BaseException(Throwable inner)
  {
    super(inner.getMessage());
    this.inner = inner;

  } // end constructor

  public BaseException(String msg, Throwable inner)
  {
    super(msg);
    this.inner = inner;

  } // end constructor

  /*--------------------------------------------------------------------------------
   * Overrides from class Throwable
   *--------------------------------------------------------------------------------
   */

  public void printStackTrace()
  {
    this.printStackTrace(System.err);

  } // end printStackTrace

  public void printStackTrace(PrintStream s)
  {
    super.printStackTrace(s);
    if (inner!=null)
    { // print the inner stack trace
      s.print("Root cause: ");
      inner.printStackTrace(s);

    } // end if

  } // end printStackTrace

  public void printStackTrace(PrintWriter s)
  {
    super.printStackTrace(s);
    if (inner!=null)
    { // print the inner stack trace
      s.print("Root cause: ");
      inner.printStackTrace(s);

    } // end if

  } // end printStackTrace

  /*--------------------------------------------------------------------------------
   * External operations
   *--------------------------------------------------------------------------------
   */

  public Throwable getException()
  {
    return inner;

  } // end getException

} // end class BaseException