/*
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 the following location:
*
* 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.jasig.cas.util;
import org.aspectj.lang.JoinPoint;
/**
* Utility class to assist with AOP operations.
*
* @author Marvin S. Addison
* @since 3.4
*
*/
public final class AopUtils {
private AopUtils() {}
/**
* Unwraps a join point that may be nested due to layered proxies.
*
* @param point Join point to unwrap.
* @return Innermost join point; if not nested, simply returns the argument.
*/
public static JoinPoint unWrapJoinPoint(final JoinPoint point) {
JoinPoint naked = point;
while (naked.getArgs().length > 0 && naked.getArgs()[0] instanceof JoinPoint) {
naked = (JoinPoint) naked.getArgs()[0];
}
return naked;
}
}