/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* 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:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.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.
*
*/
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();
}
}