aop.DeclareMixinAspectJAdvisorFactoryTest.java Source code

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Here is the source code for aop.DeclareMixinAspectJAdvisorFactoryTest.java

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/*
 * Copyright 2009-2014 Jose Luis Martin.
 *
 * 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 aop;

import java.util.List;

import junit.framework.Assert;

import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.DeclareMixin;
import org.jdal.aop.DeclareMixinAspectJAdvisorFactory;
import org.junit.Test;
import org.springframework.aop.Advisor;
import org.springframework.aop.aspectj.annotation.SingletonMetadataAwareAspectInstanceFactory;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.interceptor.ExposeInvocationInterceptor;

/**
 * Test DeclareMixin annotation
 */
public class DeclareMixinAspectJAdvisorFactoryTest {

    @Test
    public void testDeclareMixin() {
        NotTargetAware notTargetAware = new NotTargetAware();
        DeclareMixinAspectJAdvisorFactory factory = new DeclareMixinAspectJAdvisorFactory();

        TargetAware targetAware = (TargetAware) createProxy(notTargetAware, factory.getAdvisors(
                new SingletonMetadataAwareAspectInstanceFactory(new DeclareMixinMakeTargetAware(), "someBean")),
                NotTargetAware.class);

        Assert.assertEquals(targetAware, targetAware.getTarget());
    }

    protected Object createProxy(Object target, List<Advisor> advisors, Class<?>... interfaces) {
        ProxyFactory pf = new ProxyFactory(target);
        if (interfaces.length > 1 || interfaces[0].isInterface()) {
            pf.setInterfaces(interfaces);
        } else {
            pf.setProxyTargetClass(true);
        }

        // Required everywhere we use AspectJ proxies
        pf.addAdvice(ExposeInvocationInterceptor.INSTANCE);

        for (Object a : advisors) {
            pf.addAdvisor((Advisor) a);
        }

        pf.setExposeProxy(true);
        return pf.getProxy();
    }

    @Aspect
    public static class DeclareMixinMakeTargetAware {

        @DeclareMixin("aop.NotTargetAware")
        public TargetAware createTargetAware(Object target) {
            return new DefaultTargetAware(target);
        }
    }
}