Spring Framework example source code file (LazyInitTargetSourceTests.java)

This example Spring Framework source code file (LazyInitTargetSourceTests.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

classpathresource, classpathresource, customlazyinittargetsource, harrop, itestbean, itestbean, lazyinittargetsource, lazyinittargetsourcetests, rob, set, set, testcase, util, xmlbeanfactory, xmlbeanfactory

The Spring Framework LazyInitTargetSourceTests.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.target;

import java.util.Set;

import junit.framework.TestCase;

import org.springframework.beans.ITestBean;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;

/**
 * @author Juergen Hoeller
 * @author Rob Harrop
 * @since 07.01.2005
 */
public class LazyInitTargetSourceTests extends TestCase {

	public void testLazyInitSingletonTargetSource() {
		XmlBeanFactory bf = new XmlBeanFactory(new ClassPathResource("lazyInitSingletonTests.xml", getClass()));
		bf.preInstantiateSingletons();

		ITestBean tb = (ITestBean) bf.getBean("proxy");
		assertFalse(bf.containsSingleton("target"));
		assertEquals(10, tb.getAge());
		assertTrue(bf.containsSingleton("target"));
	}

	public void testCustomLazyInitSingletonTargetSource() {
		XmlBeanFactory bf = new XmlBeanFactory(new ClassPathResource("customLazyInitTarget.xml", getClass()));
		bf.preInstantiateSingletons();

		ITestBean tb = (ITestBean) bf.getBean("proxy");
		assertFalse(bf.containsSingleton("target"));
		assertEquals("Rob Harrop", tb.getName());
		assertTrue(bf.containsSingleton("target"));
	}

	public void testLazyInitFactoryBeanTargetSource() {
		XmlBeanFactory bf = new XmlBeanFactory(new ClassPathResource("lazyInitFactoryBean.xml", getClass()));
		bf.preInstantiateSingletons();

		Set set1 = (Set) bf.getBean("proxy1");
		assertFalse(bf.containsSingleton("target1"));
		assertTrue(set1.contains("10"));
		assertTrue(bf.containsSingleton("target1"));

		Set set2 = (Set) bf.getBean("proxy2");
		assertFalse(bf.containsSingleton("target2"));
		assertTrue(set2.contains("20"));
		assertTrue(bf.containsSingleton("target2"));
	}


	public static class CustomLazyInitTargetSource extends LazyInitTargetSource {

		protected void postProcessTargetObject(Object targetObject) {
			((ITestBean) targetObject).setName("Rob Harrop");
		}
	}

}