Spring Framework example source code file (DummyFactory.java)

This example Spring Framework source code file (DummyFactory.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

autowirecapablebeanfactory, autowirecapablebeanfactory, beanfactory, disposablebean, dummyfactory, dummyfactory, factorybean, initializingbean, object, singleton_name, string, string, testbean, testbean

The Spring Framework DummyFactory.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;

import org.springframework.beans.BeansException;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;

/**
 * Simple factory to allow testing of FactoryBean support in AbstractBeanFactory.
 * Depending on whether its singleton property is set, it will return a singleton
 * or a prototype instance.
 *
 * <p>Implements InitializingBean interface, so we can check that
 * factories get this lifecycle callback if they want.
 *
 * @author Rod Johnson
 * @since 10.03.2003
 */
public class DummyFactory
		implements FactoryBean, BeanNameAware, BeanFactoryAware, InitializingBean, DisposableBean {
	
	public static final String SINGLETON_NAME = "Factory singleton";

	private static boolean prototypeCreated;

	/**
	 * Clear static state.
	 */
	public static void reset() {
		prototypeCreated = false;
	}


	/**
	 * Default is for factories to return a singleton instance.
	 */
	private boolean singleton = true;

	private String beanName;

	private AutowireCapableBeanFactory beanFactory;

	private boolean postProcessed;

	private boolean initialized;

	private TestBean testBean;

	private TestBean otherTestBean;


	public DummyFactory() {
		this.testBean = new TestBean();
		this.testBean.setName(SINGLETON_NAME);
		this.testBean.setAge(25);
	}

	/**
	 * Return if the bean managed by this factory is a singleton.
	 * @see org.springframework.beans.factory.FactoryBean#isSingleton()
	 */
	public boolean isSingleton() {
		return this.singleton;
	}

	/**
	 * Set if the bean managed by this factory is a singleton.
	 */
	public void setSingleton(boolean singleton) {
		this.singleton = singleton;
	}

	public void setBeanName(String beanName) {
		this.beanName = beanName;
	}

	public String getBeanName() {
		return beanName;
	}

	public void setBeanFactory(BeanFactory beanFactory) {
		this.beanFactory = (AutowireCapableBeanFactory) beanFactory;
		this.beanFactory.applyBeanPostProcessorsBeforeInitialization(this.testBean, this.beanName);
	}

	public BeanFactory getBeanFactory() {
		return beanFactory;
	}

	public void setPostProcessed(boolean postProcessed) {
		this.postProcessed = postProcessed;
	}

	public boolean isPostProcessed() {
		return postProcessed;
	}

	public void setOtherTestBean(TestBean otherTestBean) {
		this.otherTestBean = otherTestBean;
		this.testBean.setSpouse(otherTestBean);
	}

	public TestBean getOtherTestBean() {
		return otherTestBean;
	}

	public void afterPropertiesSet() {
		if (initialized) {
			throw new RuntimeException("Cannot call afterPropertiesSet twice on the one bean");
		}
		this.initialized = true;
	}
	
	/**
	 * Was this initialized by invocation of the
	 * afterPropertiesSet() method from the InitializingBean interface?
	 */
	public boolean wasInitialized() {
		return initialized;
	}

	public static boolean wasPrototypeCreated() {
		return prototypeCreated;
	}


	/**
	 * Return the managed object, supporting both singleton
	 * and prototype mode.
	 * @see org.springframework.beans.factory.FactoryBean#getObject()
	 */
	public Object getObject() throws BeansException {
		if (isSingleton()) {
			return this.testBean;
		}
		else {
			TestBean prototype = new TestBean("prototype created at " + System.currentTimeMillis(), 11);
			if (this.beanFactory != null) {
				this.beanFactory.applyBeanPostProcessorsBeforeInitialization(prototype, this.beanName);
			}
			prototypeCreated = true;
			return prototype;
		}
	}

	public Class getObjectType() {
		return TestBean.class;
	}


	public void destroy() {
		if (this.testBean != null) {
			this.testBean.setName(null);
		}
	}

}