/**
 * Redistribution and use of this software and associated documentation ("Software"), with or
 * without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
 * must also contain a copy of this document.
 *
 * 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 name "Exolab" must not be used to endorse or promote products derived from this Software
 * without prior written permission of Intalio, Inc. For written permission, please contact
 * info@exolab.org.
 *
 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
 * Intalio, Inc.
 *
 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``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 INTALIO, INC. OR ITS
 * 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.
 *
 * Copyright 2002 (C) Intalio, Inc. All Rights Reserved.
 *
 * $Id$
 */

package org.exolab.castor.net;


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


/**
 * URIException is used when an error occurs during URI resolving
 *
 * @author <a href="kvisco@intalio.com">Keith Visco</a>
 * @version $Revision$
 */
public final class URIException extends Exception {
  /** SerialVersionUID */
  private static final long serialVersionUID = 4230299234562430190L;

  /**
   * nested exception, may be null.
   **/
  private Exception _exception = null;

  /**
   * Creates a new URIException
   *
   * @param message the explaination for this exception
   **/
  public URIException(String message) {
    super(message);
  } // -- URIException

  /**
   * Creates a new URIException
   *
   * @param message the explaination for this exception
   * @param exception an optional nested exception, most likely, the exception which caused this
   *        exception.
   **/
  public URIException(String message, Exception exception) {
    super(message);
    if (exception instanceof URIException)
      _exception = ((URIException) exception)._exception;
    else
      _exception = exception;
  } // -- URIException


  /**
   * Creates a new URIException
   *
   * @param exception the exception which caused this exception. Note: to use this constructor
   *        exception must not be null.
   **/
  public URIException(Exception exception) {
    this(exception.getMessage(), exception);
  } // -- URIException


  /**
   * Returns the nested exception, or null if no exception exists.
   *
   * @return the nested exception, or null if no exception exists
   **/
  public Exception getException() {
    return _exception;
  } // -- getException


  public void printStackTrace() {
    if (_exception != null)
      _exception.printStackTrace();
    else
      super.printStackTrace();
  } // -- printStackTrace


  public void printStackTrace(PrintStream s) {
    if (_exception != null)
      _exception.printStackTrace(s);
    else
      super.printStackTrace(s);
  } // -- printStackTrace


  public void printStackTrace(PrintWriter s) {
    if (_exception != null)
      _exception.printStackTrace(s);
    else
      super.printStackTrace(s);
  } // -- printStackTrace
} // -- URIException


