JucasException.java :  » Web-Framework » jucas » org » jucas » Java Open Source

/*
 * License
 *
 *
 * Copyright (c) 2003 Essl Christian.  All rights 
 * reserved.
 * 
 * This Licence is based on the Apache Software Licence Version 1.1.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by Christian Essl 
 *        and others for project Jucas (http://www.jucas.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Jucas" and "Christian Essl" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact essl_christian@jucas.org.
 *
 * 5. Products derived from this software may not be called "Jucas"
 *    or "Christian Essl", nor may "Jucas" or "Christian Essl"
 *    appear in their name, without prior written permission
 *    of Christian Essl (jucas@esslchristian.de).
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL CHRISTIAN ESSL OR
 * OTHER CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * 
 */
package org.jucas;

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

/**
 *The main Jucas Exception can hold another exception
 * @author chris
 */
public class JucasException extends Exception
{

  private final Exception cause;
  /**
   * Constructor for JucasException.
   */
  public JucasException()
  {
    super();
    cause = null;
  }

  /**
   * Constructor for JucasException.
   * @param message
   */
  public JucasException(String message)
  {
    super(message);
    cause = null;
  }

  /**
   * Constructor for JucasException.
   * @param message
   * @param cause
   */
  public JucasException(String message, Exception cause)
  {
    super(message);
    this.cause = cause;
  }

  /**
   * Constructor for JucasException.
   * @param cause
   */
  public JucasException(Exception cause)
  {
    super();
    this.cause = cause;
  }

  /**
   * @see java.lang.Throwable#printStackTrace()
   */
  public void printStackTrace()
  {
    super.printStackTrace();
    if  (cause != null) {
      System.out.println("Root cause");
      cause.printStackTrace();
    }
  }

  public void printStackTrace(PrintWriter s) { 
    super.printStackTrace(s);
    if  (cause != null) {
      s.println("Root cause");
      cause.printStackTrace(s);
    }
  }
        
  public void printStackTrace(PrintStream s) {
    super.printStackTrace(s);
    if  (cause != null) {
      s.println("Root cause");
      cause.printStackTrace(s);
    }
  }

  /**
   * @see java.lang.Throwable#getCause()
   */
  public Throwable getCause()
  {
    return cause;
  }
  
  public Exception getCausingException(){
    return cause;
  }

}