/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2003 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * 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. 
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    the documentation and/or other materials provided with the
 *    distribution.
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 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Pluto", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 *    permission, please contact apache@apache.org.
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 * 5. Products derived from this software may not be called "Apache"
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 *
 * 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
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * ====================================================================
 *
 * This source code implements specifications defined by the Java
 * Community Process. In order to remain compliant with the specification
 * DO NOT add / change / or delete method signatures!
 */

package javax.portlet;

/**
 ** The <CODE>WindowStateException</CODE> is thrown when a portlet
 ** tries to use a window state that is not supported by the current
 ** runtime environment or the portlet.
 **/

public class WindowStateException extends PortletException
{


  private transient WindowState _state = null;

  /**
   * Constructs a new portlet state exception with the given text. The
   * portlet container may use the text write it to a log.
   *
   * @param   text
   *          the exception text
   * @param   state
   *          the state causing the exception
   */

  public WindowStateException (String text, WindowState state)
  {
    super (text);
    _state = state;
  }

  /**
   * Constructs a new portlet state exception when the portlet needs to do
   * the following:
   * <ul>
   * <il>throw an exception 
   * <li>include a message about the "root cause" that interfered
   *     with its normal operation
   * <li>include a description message
   * </ul>
   *
   * @param   text
   *          the exception text
   * @param   cause
   *          the root cause
   * @param   state
   *          the state causing the exception
   */
  
  public WindowStateException (String text, Throwable cause, WindowState state)
  {
    super(text, cause);
    _state = state;
  }

  /**
   * Constructs a new portlet state exception when the portlet needs to throw an
   * exception. The exception message is based on the localized message
   * of the underlying exception.
   *
   * @param   cause
   *          the root cause
   * @param   state
   *          the state causing the exception
   */

  public WindowStateException (Throwable cause, WindowState state)
  {
    super(cause);
    _state = state;
  }

  /**
   * Returns the portlet state causing this exception.
   * 
   * @return  the window state causing this exception
   */

  public WindowState getState()
  {
    return _state;
  }
}