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Spring Framework example source code file (AfterReturningGenericTypeMatchingTests.java)

This example Spring Framework source code file (AfterReturningGenericTypeMatchingTests.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

afterreturning, afterreturning, afterreturninggenerictypematchingtests, arraylist, arraylist, collection, collection, counteraspect, genericreturntypevariationclass, genericreturntypevariationclass, number, override, pointcut, string, util

The Spring Framework AfterReturningGenericTypeMatchingTests.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.generic;

import java.util.ArrayList;
import java.util.Collection;

import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

import org.springframework.beans.Employee;
import org.springframework.beans.TestBean;
import org.springframework.test.AbstractDependencyInjectionSpringContextTests;

/**
 * Tests ensuring that after-returning advice for generic parameters bound to
 * the advice and the return type follow AspectJ semantics.
 *
 * <p>See SPR-3628 for more details.
 *
 * @author Ramnivas Laddad
 */
public class AfterReturningGenericTypeMatchingTests extends AbstractDependencyInjectionSpringContextTests {

	protected GenericReturnTypeVariationClass testBean;

	protected CounterAspect counterAspect;


	public AfterReturningGenericTypeMatchingTests() {
		setPopulateProtectedVariables(true);
	}

	@Override
	protected String getConfigPath() {
		return "afterReturningGenericTypeMatchingTests-context.xml";
	}

	@Override
	protected void onSetUp() throws Exception {
		counterAspect.reset();
		super.onSetUp();
	}

	public void testReturnTypeExactMatching() {
		testBean.getStrings();
		assertEquals(1, counterAspect.getStringsInvocationsCount);
		assertEquals(0, counterAspect.getIntegersInvocationsCount);

		counterAspect.reset();

		testBean.getIntegers();
		assertEquals(0, counterAspect.getStringsInvocationsCount);
		assertEquals(1, counterAspect.getIntegersInvocationsCount);
	}

	public void testReturnTypeRawMatching() {
		testBean.getStrings();
		assertEquals(1, counterAspect.getRawsInvocationsCount);

		counterAspect.reset();

		testBean.getIntegers();
		assertEquals(1, counterAspect.getRawsInvocationsCount);
	}

	public void testReturnTypeUpperBoundMatching() {
		testBean.getIntegers();
		assertEquals(1, counterAspect.getNumbersInvocationsCount);
	}

	public void testReturnTypeLowerBoundMatching() {
		testBean.getTestBeans();
		assertEquals(1, counterAspect.getTestBeanInvocationsCount);

		counterAspect.reset();

		testBean.getEmployees();
		assertEquals(0, counterAspect.getTestBeanInvocationsCount);
	}


	public static class GenericReturnTypeVariationClass {

		public Collection<String> getStrings() {
			return new ArrayList<String>();
		}

		public Collection<Integer> getIntegers() {
			return new ArrayList<Integer>();
		}

		public Collection<TestBean> getTestBeans() {
			return new ArrayList<TestBean>();
		}

		public Collection<Employee> getEmployees() {
			return new ArrayList<Employee>();
		}
	}


	@Aspect
	public static class CounterAspect {

		private int getRawsInvocationsCount;

		private int getStringsInvocationsCount;

		private int getIntegersInvocationsCount;

		private int getNumbersInvocationsCount;

		private int getTestBeanInvocationsCount;

		@Pointcut("execution(* org.springframework.aop.aspectj.generic.AfterReturningGenericTypeMatchingTests.GenericReturnTypeVariationClass.*(..))")
		public void anyTestMethod() {
		}

		@AfterReturning(pointcut = "anyTestMethod()", returning = "ret")
		public void incrementGetRawsInvocationsCount(Collection ret) {
			getRawsInvocationsCount++;
		}

		@AfterReturning(pointcut = "anyTestMethod()", returning = "ret")
		public void incrementGetStringsInvocationsCount(Collection<String> ret) {
			getStringsInvocationsCount++;
		}

		@AfterReturning(pointcut = "anyTestMethod()", returning = "ret")
		public void incrementGetIntegersInvocationsCount(Collection<Integer> ret) {
			getIntegersInvocationsCount++;
		}

		@AfterReturning(pointcut = "anyTestMethod()", returning = "ret")
		public void incrementGetNumbersInvocationsCount(Collection<? extends Number> ret) {
			getNumbersInvocationsCount++;
		}

		@AfterReturning(pointcut = "anyTestMethod()", returning = "ret")
		public void incrementTestBeanInvocationsCount(Collection<? super TestBean> ret) {
			getTestBeanInvocationsCount++;
		}

		public void reset() {
			getRawsInvocationsCount = 0;
			getStringsInvocationsCount = 0;
			getIntegersInvocationsCount = 0;
			getNumbersInvocationsCount = 0;
			getTestBeanInvocationsCount = 0;
		}
	}

}

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