/*
* Copyright 2002-2013 the original author or authors.
*
* 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.springframework.aop.framework.adapter;
import java.io.Serializable;
import org.aopalliance.aop.Advice;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.aop.Advisor;
import org.springframework.aop.BeforeAdvice;
import org.springframework.aop.framework.Advised;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.tests.sample.beans.ITestBean;
import static org.junit.Assert.*;
/**
* TestCase for AdvisorAdapterRegistrationManager mechanism.
*
* @author Dmitriy Kopylenko
* @author Chris Beams
*/
public final class AdvisorAdapterRegistrationTests {
@Before
@After
public void resetGlobalAdvisorAdapterRegistry() {
GlobalAdvisorAdapterRegistry.reset();
}
@Test
public void testAdvisorAdapterRegistrationManagerNotPresentInContext() {
ClassPathXmlApplicationContext ctx =
new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-without-bpp.xml", getClass());
ITestBean tb = (ITestBean) ctx.getBean("testBean");
// just invoke any method to see if advice fired
try {
tb.getName();
fail("Should throw UnknownAdviceTypeException");
}
catch (UnknownAdviceTypeException ex) {
// expected
assertEquals(0, getAdviceImpl(tb).getInvocationCounter());
}
}
@Test
public void testAdvisorAdapterRegistrationManagerPresentInContext() {
ClassPathXmlApplicationContext ctx =
new ClassPathXmlApplicationContext(getClass().getSimpleName() + "-with-bpp.xml", getClass());
ITestBean tb = (ITestBean) ctx.getBean("testBean");
// just invoke any method to see if advice fired
try {
tb.getName();
assertEquals(1, getAdviceImpl(tb).getInvocationCounter());
}
catch (UnknownAdviceTypeException ex) {
fail("Should not throw UnknownAdviceTypeException");
}
}
private SimpleBeforeAdviceImpl getAdviceImpl(ITestBean tb) {
Advised advised = (Advised) tb;
Advisor advisor = advised.getAdvisors()[0];
return (SimpleBeforeAdviceImpl) advisor.getAdvice();
}
}
interface SimpleBeforeAdvice extends BeforeAdvice {
void before() throws Throwable;
}
@SuppressWarnings("serial")
class SimpleBeforeAdviceAdapter implements AdvisorAdapter, Serializable {
@Override
public boolean supportsAdvice(Advice advice) {
return (advice instanceof SimpleBeforeAdvice);
}
@Override
public MethodInterceptor getInterceptor(Advisor advisor) {
SimpleBeforeAdvice advice = (SimpleBeforeAdvice) advisor.getAdvice();
return new SimpleBeforeAdviceInterceptor(advice) ;
}
}
class SimpleBeforeAdviceImpl implements SimpleBeforeAdvice {
private int invocationCounter;
@Override
public void before() throws Throwable {
++invocationCounter;
}
public int getInvocationCounter() {
return invocationCounter;
}
}
final class SimpleBeforeAdviceInterceptor implements MethodInterceptor {
private SimpleBeforeAdvice advice;
public SimpleBeforeAdviceInterceptor(SimpleBeforeAdvice advice) {
this.advice = advice;
}
@Override
public Object invoke(MethodInvocation mi) throws Throwable {
advice.before();
return mi.proceed();
}
}