/*
 * Copyright 2003 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egovernment.moaspss.util;

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

/**
 * An exception occurred evaluating an XPath.
 * 
 * @author Patrick Peck
 * @version $Id$
 */
public class XPathException extends RuntimeException {
  /**
	 * 
	 */
	private static final long serialVersionUID = 1736311265333034392L;
/** The wrapped exception. */
  private Throwable wrapped;
  
  /**
   * Create a <code>XPathException</code>.
   * 
   * @param message The exception message.
   * @param wrapped The exception being the likely cause of this exception.
   */
  public XPathException(String message, Throwable wrapped) {
    // TODO: remove wrapped from super cstr. again
	  super(message, wrapped);
    this.wrapped = wrapped; 
  }
  
  /**
   * Return the wrapped exception.
   * 
   * @return The wrapped exception being the likely cause of this exception.
   */
  public Throwable getWrapped() {
    return wrapped;
  }

  /**
   * @see java.lang.Throwable#printStackTrace(java.io.PrintStream)
   */
  public void printStackTrace(PrintStream s) {
    super.printStackTrace(s);
    if (getWrapped() != null) {
      s.print("Caused by: ");
      getWrapped().printStackTrace(s);
    }
  }

  /**
   * @see java.lang.Throwable#printStackTrace(java.io.PrintWriter)
   */
  public void printStackTrace(PrintWriter s) {
    super.printStackTrace(s);
    if (getWrapped() != null) {
      s.print("Caused by: ");
      getWrapped().printStackTrace(s);
    }
  }
 
}