Package org.jboss.test.aop.dynamic

Source Code of org.jboss.test.aop.dynamic.SimpleDynamicTester

/*
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.aop.dynamic;


import junit.framework.Test;
import junit.framework.TestSuite;

import org.jboss.aop.Advised;
import org.jboss.aop.AspectManager;
import org.jboss.aop.advice.AdviceBinding;
import org.jboss.aop.advice.InterceptorFactory;
import org.jboss.aop.pointcut.ast.ParseException;
import org.jboss.aop.proxy.container.AOPProxyFactoryParameters;
import org.jboss.aop.proxy.container.GeneratedAOPProxyFactory;
import org.jboss.test.aop.AOPTestWithSetup;

/**
* Comment
*
* @author <a href="mailto:kabir.khan@jboss.org">Kabir Khan</a>
* @version $Revision$
*/
public class SimpleDynamicTester extends AOPTestWithSetup
{
   public static Test suite()
   {
      TestSuite suite = new TestSuite("DynamicTester");
      suite.addTestSuite(SimpleDynamicTester.class);
      return suite;
   }
   // Constants ----------------------------------------------------
   // Attributes ---------------------------------------------------

   // Static -------------------------------------------------------

   // Constructors -------------------------------------------------
   public SimpleDynamicTester(String name)
   {
      super(name);
   }

   public void testDynamic() throws Exception
   {
      reset();
      POJO tmp = new POJO();
      assertInstanceOf(tmp, Advised.class);
      assertInterceptors(false, false);

      addBinding("one", "all(org.jboss.test.aop.dynamic.POJO)", Interceptor1.class);
      callPOJO(true, false);

      addBinding("two", "all(org.jboss.test.aop.dynamic.POJO)", Interceptor2.class);
      callPOJO(true, true);

      AspectManager.instance().removeBinding("one");
      callPOJO(false, true);

      addBinding("one", "all(org.jboss.test.aop.dynamic.POJO)", Interceptor1.class);
      callPOJO(true, true);

      AspectManager.instance().removeBinding("two");
      callPOJO(true, false);

      AspectManager.instance().removeBinding("one");
      callPOJO(false, false);
   }

   public void testDynamicPerInstance() throws Exception
   {
      reset();
      POJOPerInstance tmp = new POJOPerInstance();
      assertInstanceOf(tmp, Advised.class);
      assertInterceptors(false, false);

      addBinding("one", "all(org.jboss.test.aop.dynamic.POJOPerInstance)", PerInstanceInterceptor1.class);
      callPOJOPerInstance(true, false);

      addBinding("two", "all(org.jboss.test.aop.dynamic.POJOPerInstance)", PerInstanceInterceptor2.class);
      callPOJOPerInstance(true, true);

      AspectManager.instance().removeBinding("one");
      callPOJOPerInstance(false, true);

      addBinding("one", "all(org.jboss.test.aop.dynamic.POJOPerInstance)", PerInstanceInterceptor1.class);
      callPOJOPerInstance(true, true);

      AspectManager.instance().removeBinding("two");
      callPOJOPerInstance(true, false);

      AspectManager.instance().removeBinding("one");
      callPOJOPerInstance(false, false);
   }

   public void testClassProxyContainer() throws Exception
   {
      AspectManager manager = AspectManager.instance();
      //Add a binding before creating the proxy
      addBinding("one", "all(org.jboss.test.aop.dynamic.POJOProxy)", Interceptor1.class);

      POJOProxy pojo = new POJOProxy();
      AOPProxyFactoryParameters params = new AOPProxyFactoryParameters();
      params.setTarget(pojo);

      GeneratedAOPProxyFactory factory = new GeneratedAOPProxyFactory();
      POJOProxy proxy = (POJOProxy)factory.createAdvisedProxy(params);

      reset();
      proxy.method();
      assertInterceptors(true, false);

      addBinding("two", "all(org.jboss.test.aop.dynamic.POJOProxy)", Interceptor2.class);
      reset();
      proxy.method();
      assertInterceptors(true, true);

      manager.removeBinding("one");
      reset();
      proxy.method();
      assertInterceptors(false, true);

      addBinding("one", "all(org.jboss.test.aop.dynamic.POJOProxy)", Interceptor1.class);
      reset();
      proxy.method();
      assertInterceptors(true, true);

      manager.removeBinding("two");
      reset();
      proxy.method();
      assertInterceptors(true, false);

      manager.removeBinding("one");
      reset();
      proxy.method();
      assertInterceptors(false, false);
   }

   private void callPOJO(boolean int1, boolean int2)
   {
      reset();
      POJO pojo = new POJO();
      assertInterceptors(int1, int2);

      reset();
      pojo.field = 1;
      assertInterceptors(int1, int2);

      reset();
      assertEquals(1, pojo.field);
      assertInterceptors(int1, int2);

      reset();
      pojo.method();
      assertInterceptors(int1, int2);
   }

   private void callPOJOPerInstance(boolean int1, boolean int2)
   {
      reset();
      POJOPerInstance pojo = new POJOPerInstance();
      assertPerInstanceInterceptors(false, false);

      reset();
      pojo.method();
      assertPerInstanceInterceptors(int1, int2);

      reset();
      pojo.field = 1;
      assertPerInstanceInterceptors(int1, int2);

      reset();
      assertEquals(1, pojo.field);
      assertPerInstanceInterceptors(int1, int2);
   }

   private void assertInterceptors(boolean int1, boolean int2)
   {
      assertEquals(int1, Interceptor1.intercepted);
      assertEquals(int2, Interceptor2.intercepted);
   }

   private void assertPerInstanceInterceptors(boolean int1, boolean int2)
   {
      assertEquals(int1, PerInstanceInterceptor1.intercepted);
      assertEquals(int2, PerInstanceInterceptor2.intercepted);
   }

   private void reset()
   {
      Interceptor1.intercepted = false;
      Interceptor2.intercepted = false;
      PerInstanceInterceptor1.intercepted = false;
      PerInstanceInterceptor2.intercepted = false;
   }

   private void addBinding(String name, String pointcut, Class<?> interceptor) throws ParseException
   {
      AspectManager manager = AspectManager.instance();
      AdviceBinding binding = new AdviceBinding(pointcut, null);
      binding.setName(name);
      InterceptorFactory factory = manager.getInterceptorFactory(interceptor.getName());
      binding.addInterceptorFactory(factory);
      manager.addBinding(binding);
   }

   public void testDynamicMethod() throws ParseException
   {
      AdviceBinding binding = new AdviceBinding(
            "execution(public void org.jboss.test.aop.dynamic.POJO->method())", null);
      binding.setName("dynMethod");
      binding.addInterceptor(Interceptor1.class);
      AspectManager.instance().addBinding(binding);

      AdviceBinding binding2 = new AdviceBinding(
            "execution(public void org.jboss.test.aop.dynamic.POJO->method())", null);
      binding2.setName("dynMethod2");
      binding2.addInterceptor(Interceptor2.class);
      AspectManager.instance().addBinding(binding2);


      Interceptor1.intercepted = false;

      POJO p = new POJO();
      p.method();
      assertTrue("POJO.method was not intercepted", Interceptor1.intercepted);

      Interceptor1.intercepted = false;
      AspectManager.instance().removeBinding("dynMethod");

      p.method();
      assertTrue("POJO.method was not intercepted", Interceptor2.intercepted);
      assertFalse("POJO.method should not be intercepted by Intercepor1", Interceptor1.intercepted);
      Interceptor2.intercepted = false;
      AspectManager.instance().removeBinding("dynMethod2");

      p.method();
      assertFalse("POJO.method was intercepted", Interceptor2.intercepted);

   }

   public void testDynamicField() throws ParseException
   {
      AdviceBinding binding = new AdviceBinding(
            "set(* org.jboss.test.aop.dynamic.POJO->field)", null);
      binding.setName("set1");
      binding.addInterceptor(Interceptor1.class);
      AspectManager.instance().addBinding(binding);

      AdviceBinding binding2 = new AdviceBinding(
            "get(* org.jboss.test.aop.dynamic.POJO->field)", null);
      binding2.setName("get1");
      binding2.addInterceptor(Interceptor2.class);
      AspectManager.instance().addBinding(binding2);

      AdviceBinding binding3 = new AdviceBinding(
            "field(* org.jboss.test.aop.dynamic.POJO->field)", null);
      binding3.setName("field1");
      binding3.addInterceptor(Interceptor1.class);
      AspectManager.instance().addBinding(binding3);

      Interceptor1.clear();
      Interceptor1.intercepted = false;
      POJO p = new POJO();
      p.field = 7;
      assertTrue("POJO.field was not intercepted", Interceptor1.intercepted);
      assertEquals("POJO.field should have been intercepted 2 times", 2, Interceptor1.numberOfInterceptions);

      Interceptor2.intercepted = false;
      @SuppressWarnings("unused")
      int i = p.field;
      assertTrue("POJO.field was not intercepted", Interceptor2.intercepted);
      assertEquals("POJO.field should have been intercepted 3 times", 3, Interceptor1.numberOfInterceptions);
     
      Interceptor1.intercepted = false;
      AspectManager.instance().removeBinding("set1");

      p.field = 4;
      assertEquals("POJO.field should have been intercepted 4 times", 4, Interceptor1.numberOfInterceptions);

      Interceptor2.intercepted = false;
      AspectManager.instance().removeBinding("get1");
      AspectManager.instance().removeBinding("field1");

      i = p.field;
      p.field = 5;
      assertEquals("POJO.field should have been intercepted 4 times", 4, Interceptor1.numberOfInterceptions);
      assertFalse("POJO.field was intercepted, shouldnt be.", Interceptor2.intercepted);

   }

}
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