/*
* 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 junit.framework.TestCase;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.Assert;
/**
* @author Rob Harrop
* @author Juergen Hoeller
*/
public class FactoryBeanTests extends TestCase {
public void testFactoryBeanReturnsNull() throws Exception {
XmlBeanFactory factory = new XmlBeanFactory(new ClassPathResource("factoryBeanReturnsNull.xml", getClass()));
Object result = factory.getBean("factoryBean");
assertNull(result);
}
public void testFactoryBeansWithAutowiring() throws Exception {
ClassPathXmlApplicationContext factory =
new ClassPathXmlApplicationContext("factoryBeansWithAutowiring.xml", getClass());
Alpha alpha = (Alpha) factory.getBean("alpha");
Beta beta = (Beta) factory.getBean("beta");
Gamma gamma = (Gamma) factory.getBean("gamma");
Gamma gamma2 = (Gamma) factory.getBean("gammaFactory");
assertSame(beta, alpha.getBeta());
assertSame(gamma, beta.getGamma());
assertSame(gamma2, beta.getGamma());
assertEquals("yourName", beta.getName());
}
public void testFactoryBeansWithIntermediateFactoryBeanAutowiringFailure() throws Exception {
ClassPathXmlApplicationContext factory =
new ClassPathXmlApplicationContext("factoryBeansWithAutowiring.xml", getClass());
Beta beta = (Beta) factory.getBean("beta");
Alpha alpha = (Alpha) factory.getBean("alpha");
Gamma gamma = (Gamma) factory.getBean("gamma");
assertSame(beta, alpha.getBeta());
assertSame(gamma, beta.getGamma());
}
public static class NullReturningFactoryBean implements FactoryBean {
public Object getObject() {
return null;
}
public Class getObjectType() {
return null;
}
public boolean isSingleton() {
return true;
}
}
public static class Alpha implements InitializingBean {
private Beta beta;
public void setBeta(Beta beta) {
this.beta = beta;
}
public Beta getBeta() {
return beta;
}
public void afterPropertiesSet() {
Assert.notNull(beta, "'beta' property is required");
}
}
public static class Beta implements InitializingBean {
private Gamma gamma;
private String name;
public void setGamma(Gamma gamma) {
this.gamma = gamma;
}
public Gamma getGamma() {
return gamma;
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void afterPropertiesSet() {
Assert.notNull(gamma, "'gamma' property is required");
}
}
public static class Gamma {
}
public static class BetaFactoryBean implements FactoryBean {
private Beta beta;
public void setBeta(Beta beta) {
this.beta = beta;
}
public Object getObject() {
return this.beta;
}
public Class getObjectType() {
return null;
}
public boolean isSingleton() {
return true;
}
}
}