Spring Framework example source code file (SimpleScopeTests.java)

This example Spring Framework source code file (SimpleScopeTests.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

genericapplicationcontext, genericapplicationcontext, list, noopscope, object, object, objectfactory, scope, string, testbean, testbean, testcase, util, xmlbeandefinitionreader, xmlbeandefinitionreader

The Spring Framework SimpleScopeTests.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.beans.factory.config;

import java.util.LinkedList;
import java.util.List;

import junit.framework.TestCase;

import org.springframework.beans.TestBean;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.support.GenericApplicationContext;

/**
 * Simple test to illustrate and verify scope usage.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class SimpleScopeTests extends TestCase {

	private GenericApplicationContext applicationContext;
	
	protected void setUp() {
		applicationContext = new GenericApplicationContext();
		Scope scope = new NoOpScope() {
			private int index;
			private List objects = new LinkedList(); {
				objects.add(new TestBean());
				objects.add(new TestBean());
			}
			public Object get(String name, ObjectFactory objectFactory) {
				if (index >= objects.size()) {
					index = 0;
				}
				return objects.get(index++);
			}
		};

		applicationContext.getBeanFactory().registerScope("myScope", scope);

		String[] scopeNames = applicationContext.getBeanFactory().getRegisteredScopeNames();
		assertEquals(1, scopeNames.length);
		assertEquals("myScope", scopeNames[0]);
		assertSame(scope, applicationContext.getBeanFactory().getRegisteredScope("myScope"));

		XmlBeanDefinitionReader xbdr = new XmlBeanDefinitionReader(applicationContext);
		xbdr.loadBeanDefinitions("org/springframework/beans/factory/config/simpleScope.xml");
		
		applicationContext.refresh();
	}
	
	public void testCanGetScopedObject() {
		TestBean tb1 = (TestBean) applicationContext.getBean("usesScope");
		TestBean tb2 = (TestBean) applicationContext.getBean("usesScope");
		assertNotSame(tb1, tb2);
		TestBean tb3 = (TestBean) applicationContext.getBean("usesScope");
		assertSame(tb3, tb1);
	}

}