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Base project: http://central.maven.org/maven2/struts/struts/1.2.9/ This version of Struts doesn't throw java.io.NotSerializableException when the application server wants to persist sessions and makes renderFocusJavascript return valid xml

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/*
 * $Id: DefinitionsFactoryException.java 54929 2004-10-16 16:38:42Z germuska $ 
 *
 * Copyright 1999-2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.struts.tiles;

  /**
   * Exception thrown when an error occurs while the factory tries to
   * create a new instance mapper.
   */
public class DefinitionsFactoryException extends TilesException
{
  /**
    * Constructor.
    */
  public DefinitionsFactoryException()
    {
    super();
    this.exception = null;
  }

  /**
    * Constructor.
    * @param message The error or warning message.
    */
  public DefinitionsFactoryException(String message)
    {
    super(message);
    this.exception = null;
  }


  /**
    * Create a new DefinitionsFactoryException wrapping an existing exception.
    *
    * The existing exception will be embedded in the new
    * one and its message will become the default message for
    * the DefinitionsFactoryException.
    *
    * @param e The exception to be wrapped.
    */
  public DefinitionsFactoryException(Exception e)
  {
    super();
    this.exception = e;
  }


  /**
    * Create a new DefinitionsFactoryException from an existing exception.
    *
    * The existing exception will be embedded in the new
    * one, but the new exception will have its own message.
    *
    * @param message The detail message.
    * @param e The exception to be wrapped.
    */
  public DefinitionsFactoryException(String message, Exception e)
  {
    super(message);
    this.exception = e;
  }


  /**
    * Return a detail message for this exception.
    *
    * If there is a embedded exception, and if the DefinitionsFactoryException
    * has no detail message of its own, this method will return
    * the detail message from the embedded exception.
    *
    * @return The error or warning message.
    */
  public String getMessage ()
  {
    String message = super.getMessage ();

    if (message == null && exception != null) {
      return exception.getMessage();
    } else {
      return message;
    }
  }


  /**
    * Return the embedded exception, if any.
    * @return The embedded exception, or null if there is none.
    */
  public Exception getException ()
  {
    return exception;
  }

  //////////////////////////////////////////////////////////////////////
  // Internal state.
  //////////////////////////////////////////////////////////////////////


  /**
   * Any "wrapped" exception will be exposed when this is serialized.
   * @serial
   */
  private Exception exception;
}