/**
* 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:
*
* 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.portal.spring;
import java.util.Collections;
import java.util.List;
import org.aopalliance.aop.Advice;
import org.aspectj.lang.ProceedingJoinPoint;
import org.springframework.aop.aspectj.annotation.AspectJProxyFactory;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.core.OrderComparator;
/**
* Apply AOP Aspect(s) to the object returned by the invoked method.
*
* @author Eric Dalquist
*/
public class AspectApplyingAspect {
private List<Advice> advices;
@Required
public void setAdvices(List<Advice> advices) {
this.advices = advices;
Collections.sort(this.advices, OrderComparator.INSTANCE);
}
public Object applyAspect(ProceedingJoinPoint pjp) throws Throwable {
final Object result = pjp.proceed();
if (result == null) {
return result;
}
final AspectJProxyFactory portletPreferencesProxyFactory = new AspectJProxyFactory(result);
for (final Advice advice : this.advices) {
portletPreferencesProxyFactory.addAdvice(advice);
}
return portletPreferencesProxyFactory.getProxy();
}
}