Spring Framework example source code file (TargetPointcutSelectionTests.java)

This example Spring Framework source code file (TargetPointcutSelectionTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstracttestimpl, object, pojo, pojo, should, should, shouldn't, string, targetpointcutselectiontests, testaspect, testaspect, testinterceptor, testinterface, testinterface

The Spring Framework TargetPointcutSelectionTests.java source code

/*
 * Copyright 2002-2007 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.aspectj;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

import org.springframework.test.AbstractDependencyInjectionSpringContextTests;

/**
 * Tests for target selection matching (see SPR-3783).
 * Thanks to Tomasz Blachowicz for the bug report!
 *
 * @author Ramnivas Laddad
 */
public class TargetPointcutSelectionTests extends AbstractDependencyInjectionSpringContextTests {

	protected TestInterface testImpl1;
	protected TestInterface testImpl2;
	protected TestAspect testAspectForTestImpl1;
	protected TestAspect testAspectForAbstractTestImpl;
	protected TestInterceptor testInterceptor;
	

	public TargetPointcutSelectionTests() {
		setPopulateProtectedVariables(true);
	}
	
	protected String getConfigPath() {
		return "targetPointcutSelectionTests.xml";
	}
	
	protected void onSetUp() throws Exception {
		testAspectForTestImpl1.count = 0;
		testAspectForAbstractTestImpl.count = 0;
		testInterceptor.count = 0;
		super.onSetUp();
	}


	public void testTargetSelectionForMatchedType() {
		testImpl1.interfaceMethod();
		assertEquals("Should have been advised by POJO advice for impl", 1, testAspectForTestImpl1.count);
		assertEquals("Should have been advised by POJO advice for base type", 1, testAspectForAbstractTestImpl.count);
		assertEquals("Should have been advised by advisor", 1, testInterceptor.count);
	}

	public void testTargetNonSelectionForMismatchedType() {
		testImpl2.interfaceMethod();
		assertEquals("Shouldn't have been advised by POJO advice for impl", 0, testAspectForTestImpl1.count);
		assertEquals("Should have been advised by POJO advice for base type", 1, testAspectForAbstractTestImpl.count);
		assertEquals("Shouldn't have been advised by advisor", 0, testInterceptor.count);
	}


	public static interface TestInterface {

		public void interfaceMethod();
	}
	

	// Reproducing bug requires that the class specified in target() pointcut doesn't
	// include the advised method's implementation (instead a base class should include it)
	public static abstract class AbstractTestImpl implements TestInterface {

		public void interfaceMethod() {
		}
	}
	

	public static class TestImpl1 extends AbstractTestImpl {
	}


	public static class TestImpl2 extends AbstractTestImpl {
	}


	public static class TestAspect {

		public int count;
		
		public void increment() {
			count++;
		}
	}
	

	public static class TestInterceptor extends TestAspect implements MethodInterceptor {

		public Object invoke(MethodInvocation mi) throws Throwable {
			increment();
			return mi.proceed();
		}
	}

}