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/* Copyright 2004, 2005 Acegi Technology Pty Limited
 *
 * 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.acegisecurity.event.authentication;

import org.acegisecurity.Authentication;
import org.acegisecurity.AuthenticationException;

import org.springframework.util.Assert;


/**
 * Abstract application event which indicates authentication failure for some
 * reason.
 *
 * @author Ben Alex
 * @version $Id: AbstractAuthenticationFailureEvent.java,v 1.2 2005/11/17 00:55:48 benalex Exp $
 */
public abstract class AbstractAuthenticationFailureEvent
    extends AbstractAuthenticationEvent {
    //~ Instance fields ========================================================

    private AuthenticationException exception;

    //~ Constructors ===========================================================

    public AbstractAuthenticationFailureEvent(Authentication authentication,
        AuthenticationException exception) {
        super(authentication);
        Assert.notNull(exception, "AuthenticationException is required");
        this.exception = exception;
    }

    //~ Methods ================================================================

    public AuthenticationException getException() {
        return exception;
    }
}