/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2003 The Apache Software Foundation.  All rights 
 * reserved.
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 * 1. Redistributions of source code must retain the above copyright
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 *    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.
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 *
 * ====================================================================
 *
 * 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>PortletModeException</CODE> is thrown when a portlet
 * tries to use or set a portlet mode that is not supported by the current
 * runtime environment or the portlet.
 */

public class PortletModeException extends PortletException
{


  private transient PortletMode _mode = null;

  /**
   * Constructs a new portlet mode exception with the given text and the
   * portlet mode that caused this exception. The
   * portlet container may use the text and portlet mode write it to a log.
   *
   * @param   text
   *          the exception text
   * @param   mode
   *          the mode causing the exception
   */

  public PortletModeException (String text, PortletMode mode)
  {
    super (text);
    _mode = mode;
  }

  /**
   * Constructs a new portlet mode 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
   * <li>include the portlet mode that caused this exception
   * </ul>
   *
   * @param   text
   *          the exception text
   * @param   cause
   *          the root cause
   * @param   mode
   *          the mode causing the exception
   */
  
  public PortletModeException (String text, Throwable cause, PortletMode mode)
  {
    super(text, cause);
    _mode = mode;
  }

  /**
   * Constructs a new portlet mode exception when the portlet needs to throw an
   * exception. The exception message is based on the localized message
   * of the underlying exception and the portlet mode that caused this exception.
   *
   * @param   cause
   *          the root cause
   * @param   mode
   *          the mode causing the exception
   */

  public PortletModeException (Throwable cause, PortletMode mode)
  {
    super(cause);
    _mode = mode;
  }

  /**
   * Returns the unsupported portlet mode causing this exception.
   * 
   * @return  the portlet mode that caused this exception
   */

  public PortletMode getMode()
  {
    return _mode;
  }
}