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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* 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
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* KIND, either express or implied. See the License for the
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package org.apache.webbeans.newtests.interceptors.resolution;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.Interceptor;
import javax.inject.Provider;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.webbeans.intercept.DefaultInterceptorHandler;
import org.apache.webbeans.intercept.InterceptorResolutionService;
import org.apache.webbeans.newtests.AbstractUnitTest;
import org.apache.webbeans.newtests.interceptors.factory.beans.ClassMultiInterceptedClass;
import org.apache.webbeans.proxy.InterceptorDecoratorProxyFactory;
import org.apache.webbeans.proxy.InterceptorHandler;
import org.apache.webbeans.proxy.NormalScopeProxyFactory;
import org.apache.webbeans.proxy.ProxyGenerationException;
import org.apache.webbeans.test.component.intercept.webbeans.ActionInterceptor;
import org.apache.webbeans.test.component.intercept.webbeans.SecureInterceptor;
import org.apache.webbeans.test.component.intercept.webbeans.TransactionalInterceptor;
import org.apache.webbeans.test.component.intercept.webbeans.bindings.Action;
import org.apache.webbeans.test.component.intercept.webbeans.bindings.Secure;
import org.apache.webbeans.test.component.intercept.webbeans.bindings.Transactional;
import org.junit.Assert;
import org.junit.Test;
/**
* Test the interceptor Resolution and creating a proxy from it.
*/
public class InterceptorProxyChainTest extends AbstractUnitTest
{
@Test
public void testInterceptorProxyChain() throws Exception
{
Collection<String> beanXmls = new ArrayList<String>();
beanXmls.add(getXmlPath(this.getClass().getPackage().getName(), InterceptorResolutionServiceTest.class.getSimpleName()));
Collection<Class<?>> beanClasses = new ArrayList<Class<?>>();
beanClasses.add(ClassMultiInterceptedClass.class);
beanClasses.add(Transactional.class);
beanClasses.add(Secure.class);
beanClasses.add(Action.class);
beanClasses.add(ActionInterceptor.class);
beanClasses.add(SecureInterceptor.class);
beanClasses.add(TransactionalInterceptor.class);
startContainer(beanClasses, beanXmls);
InterceptorResolutionService ir = new InterceptorResolutionService(getWebBeansContext());
AnnotatedType<ClassMultiInterceptedClass> annotatedType = getBeanManager().createAnnotatedType(ClassMultiInterceptedClass.class);
Bean<ClassMultiInterceptedClass> bean = (Bean<ClassMultiInterceptedClass>) getBeanManager().resolve(getBeanManager().getBeans(ClassMultiInterceptedClass.class));
InterceptorResolutionService.BeanInterceptorInfo interceptorInfo = ir.calculateInterceptorInfo(bean.getTypes(), bean.getQualifiers(), annotatedType);
Assert.assertNotNull(interceptorInfo);
// not via BeanManager but native. We will proxy it ourselfs
ClassMultiInterceptedClass internalInstance = new ClassMultiInterceptedClass();
CreationalContext<ClassMultiInterceptedClass> cc = getBeanManager().createCreationalContext(bean);
// step 1.
// calculate the interceptor-method info
Map<Method, List<Interceptor<?>>> methodInterceptors = new HashMap<Method, List<Interceptor<?>>>();
List<Method> nonBusinessMethods = new ArrayList<Method>();
for (Map.Entry<Method, InterceptorResolutionService.BusinessMethodInterceptorInfo> miEntry : interceptorInfo.getBusinessMethodsInfo().entrySet())
{
Method interceptedMethod = miEntry.getKey();
InterceptorResolutionService.BusinessMethodInterceptorInfo mii = miEntry.getValue();
List<Interceptor<?>> activeInterceptors = new ArrayList<Interceptor<?>>();
if (mii.getEjbInterceptors() != null)
{
for (Interceptor<?> i : mii.getEjbInterceptors())
{
activeInterceptors.add(i);
}
}
if (mii.getCdiInterceptors() != null)
{
for (Interceptor<?> i : mii.getCdiInterceptors())
{
activeInterceptors.add(i);
}
}
if (activeInterceptors.size() > 0)
{
methodInterceptors.put(interceptedMethod, activeInterceptors);
}
}
// step 2.
// creating the Proxy Class itself
InterceptorDecoratorProxyFactory pf = new InterceptorDecoratorProxyFactory(getWebBeansContext());
// we take a fresh URLClassLoader to not blur the test classpath with synthetic classes.
ClassLoader classLoader = this.getClass().getClassLoader(); // new URLClassLoader(new URL[0]);
Method[] businessMethods = methodInterceptors.keySet().toArray(new Method[methodInterceptors.size()]);
Method[] nonInterceptedMethods = interceptorInfo.getNonInterceptedMethods().toArray(new Method[interceptorInfo.getNonInterceptedMethods().size()]);
Class<? extends ClassMultiInterceptedClass> proxyClass = pf.createProxyClass(bean, classLoader, ClassMultiInterceptedClass.class, businessMethods, nonInterceptedMethods);
Assert.assertNotNull(proxyClass);
// step 3.
// creating the InterceptorHandler for each intercepted instance later at runtime
Map<Interceptor<?>,Object> interceptorInstances = new HashMap<Interceptor<?>, Object>();
for (Interceptor interceptorBean : interceptorInfo.getCdiInterceptors())
{
Object interceptorInstance = interceptorBean.create(cc);
interceptorInstances.put(interceptorBean, interceptorInstance);
}
InterceptorHandler interceptorHandler
= new DefaultInterceptorHandler<ClassMultiInterceptedClass>(internalInstance, internalInstance, methodInterceptors, interceptorInstances, null);
ClassMultiInterceptedClass proxyInstance = pf.createProxyInstance(proxyClass, internalInstance, interceptorHandler);
Assert.assertNotNull(proxyInstance);
Assert.assertEquals(internalInstance, proxyInstance.getSelf());
proxyInstance.setMeaningOfLife(42);
Assert.assertEquals(42, proxyInstance.getMeaningOfLife());
// for testing with the old proxies
//X proxyInstance = getInstance(ClassMultiInterceptedClass.class);
//X this is for creating the NormalScoping Proxy which is now separate
proxyInstance = createNormalScopingProxy(classLoader, ClassMultiInterceptedClass.class, proxyInstance);
//X performBenchmarkOn(proxyInstance);
shutDownContainer();
}
private <T> T createNormalScopingProxy(ClassLoader classLoader, Class<T> clazz, T instance) throws ProxyGenerationException
{
NormalScopeProxyFactory pf = new NormalScopeProxyFactory(getWebBeansContext());
Class<T> proxyClass = pf.createProxyClass(classLoader, clazz);
Assert.assertNotNull(proxyClass);
return pf.createProxyInstance(proxyClass, new TestRequestScopedInstanceProvider(instance));
}
private void performBenchmarkOn(ClassMultiInterceptedClass proxyInstance)
{
// warmup
action(proxyInstance, 1000);
System.out.println("Starting the real bench");
long start = System.nanoTime();
action(proxyInstance, 10000000);
long end = System.nanoTime();
System.out.println("took: " + (end - start)/1000);
}
private void action(ClassMultiInterceptedClass proxyInstance, int counter)
{
for (int i=0; i < counter; i++) {
proxyInstance.getChar();
proxyInstance.getFloat();
proxyInstance.setMeaningOfLife(42);
proxyInstance.getMeaningOfLife();
proxyInstance.getSelf();
}
}
/**
* Test Provider for emulating a RequestScopedProxy
* @param <T>
*/
public static class TestRequestScopedInstanceProvider<T> implements Provider<T>
{
private ThreadLocal<T> instance = new ThreadLocal<T>();
public TestRequestScopedInstanceProvider(T instance)
{
this.instance.set(instance);
}
@Override
public T get()
{
return instance.get();
}
}
}