/* * Copyright 2002-2013 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.xml; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; import java.util.Properties; import org.junit.Test; import org.springframework.beans.factory.BeanCreationException; import org.springframework.beans.factory.FactoryBean; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver; import org.springframework.beans.factory.support.AutowireCandidateQualifier; import org.springframework.beans.factory.support.BeanDefinitionReader; import org.springframework.beans.factory.support.GenericBeanDefinition; import org.springframework.context.support.StaticApplicationContext; import static java.lang.String.format; import static org.junit.Assert.*; import static org.springframework.util.ClassUtils.*; /** * @author Mark Fisher * @author Juergen Hoeller * @author Chris Beams */ public class QualifierAnnotationTests { private static final String CLASSNAME = QualifierAnnotationTests.class.getName(); private static final String CONFIG_LOCATION = format("classpath:%s-context.xml", convertClassNameToResourcePath(CLASSNAME)); @Test public void testNonQualifiedFieldFails() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", NonQualifiedTestBean.class); try { context.refresh(); fail("Should have thrown a BeanCreationException"); } catch (BeanCreationException e) { assertTrue(e.getMessage().contains("found 6")); } } @Test public void testQualifiedByValue() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByValueTestBean.class); context.refresh(); QualifiedByValueTestBean testBean = (QualifiedByValueTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("Larry", person.getName()); } @Test public void testQualifiedByParentValue() { StaticApplicationContext parent = new StaticApplicationContext(); GenericBeanDefinition parentLarry = new GenericBeanDefinition(); parentLarry.setBeanClass(Person.class); parentLarry.getPropertyValues().add("name", "ParentLarry"); parentLarry.addQualifier(new AutowireCandidateQualifier(Qualifier.class, "parentLarry")); parent.registerBeanDefinition("someLarry", parentLarry); GenericBeanDefinition otherLarry = new GenericBeanDefinition(); otherLarry.setBeanClass(Person.class); otherLarry.getPropertyValues().add("name", "OtherLarry"); otherLarry.addQualifier(new AutowireCandidateQualifier(Qualifier.class, "otherLarry")); parent.registerBeanDefinition("someOtherLarry", otherLarry); parent.refresh(); StaticApplicationContext context = new StaticApplicationContext(parent); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByParentValueTestBean.class); context.refresh(); QualifiedByParentValueTestBean testBean = (QualifiedByParentValueTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("ParentLarry", person.getName()); } @Test public void testQualifiedByBeanName() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByBeanNameTestBean.class); context.refresh(); QualifiedByBeanNameTestBean testBean = (QualifiedByBeanNameTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("LarryBean", person.getName()); assertTrue(testBean.myProps != null && testBean.myProps.isEmpty()); } @Test public void testQualifiedByFieldName() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByFieldNameTestBean.class); context.refresh(); QualifiedByFieldNameTestBean testBean = (QualifiedByFieldNameTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("LarryBean", person.getName()); } @Test public void testQualifiedByParameterName() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByParameterNameTestBean.class); context.refresh(); QualifiedByParameterNameTestBean testBean = (QualifiedByParameterNameTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("LarryBean", person.getName()); } @Test public void testQualifiedByAlias() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByAliasTestBean.class); context.refresh(); QualifiedByAliasTestBean testBean = (QualifiedByAliasTestBean) context.getBean("testBean"); Person person = testBean.getStooge(); assertEquals("LarryBean", person.getName()); } @Test public void testQualifiedByAnnotation() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByAnnotationTestBean.class); context.refresh(); QualifiedByAnnotationTestBean testBean = (QualifiedByAnnotationTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("LarrySpecial", person.getName()); } @Test public void testQualifiedByCustomValue() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByCustomValueTestBean.class); context.refresh(); QualifiedByCustomValueTestBean testBean = (QualifiedByCustomValueTestBean) context.getBean("testBean"); Person person = testBean.getCurly(); assertEquals("Curly", person.getName()); } @Test public void testQualifiedByAnnotationValue() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByAnnotationValueTestBean.class); context.refresh(); QualifiedByAnnotationValueTestBean testBean = (QualifiedByAnnotationValueTestBean) context.getBean("testBean"); Person person = testBean.getLarry(); assertEquals("LarrySpecial", person.getName()); } @Test public void testQualifiedByAttributesFailsWithoutCustomQualifierRegistered() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); context.registerSingleton("testBean", QualifiedByAttributesTestBean.class); try { context.refresh(); fail("should have thrown a BeanCreationException"); } catch (BeanCreationException e) { assertTrue(e.getMessage().contains("found 6")); } } @Test public void testQualifiedByAttributesWithCustomQualifierRegistered() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); QualifierAnnotationAutowireCandidateResolver resolver = (QualifierAnnotationAutowireCandidateResolver) context.getDefaultListableBeanFactory().getAutowireCandidateResolver(); resolver.addQualifierType(MultipleAttributeQualifier.class); context.registerSingleton("testBean", MultiQualifierClient.class); context.refresh(); MultiQualifierClient testBean = (MultiQualifierClient) context.getBean("testBean"); assertNotNull( testBean.factoryTheta); assertNotNull( testBean.implTheta); } @Test public void testInterfaceWithOneQualifiedFactoryAndOneQualifiedBean() { StaticApplicationContext context = new StaticApplicationContext(); BeanDefinitionReader reader = new XmlBeanDefinitionReader(context); reader.loadBeanDefinitions(CONFIG_LOCATION); } @SuppressWarnings("unused") private static class NonQualifiedTestBean { @Autowired private Person anonymous; public Person getAnonymous() { return anonymous; } } private static class QualifiedByValueTestBean { @Autowired @Qualifier("larry") private Person larry; public Person getLarry() { return larry; } } private static class QualifiedByParentValueTestBean { @Autowired @Qualifier("parentLarry") private Person larry; public Person getLarry() { return larry; } } private static class QualifiedByBeanNameTestBean { @Autowired @Qualifier("larryBean") private Person larry; @Autowired @Qualifier("testProperties") public Properties myProps; public Person getLarry() { return larry; } } private static class QualifiedByFieldNameTestBean { @Autowired private Person larryBean; public Person getLarry() { return larryBean; } } private static class QualifiedByParameterNameTestBean { private Person larryBean; @Autowired public void setLarryBean(Person larryBean) { this.larryBean = larryBean; } public Person getLarry() { return larryBean; } } private static class QualifiedByAliasTestBean { @Autowired @Qualifier("stooge") private Person stooge; public Person getStooge() { return stooge; } } private static class QualifiedByAnnotationTestBean { @Autowired @Qualifier("special") private Person larry; public Person getLarry() { return larry; } } private static class QualifiedByCustomValueTestBean { @Autowired @SimpleValueQualifier("curly") private Person curly; public Person getCurly() { return curly; } } private static class QualifiedByAnnotationValueTestBean { @Autowired @SimpleValueQualifier("special") private Person larry; public Person getLarry() { return larry; } } @SuppressWarnings("unused") private static class QualifiedByAttributesTestBean { @Autowired @MultipleAttributeQualifier(name="moe", age=42) private Person moeSenior; @Autowired @MultipleAttributeQualifier(name="moe", age=15) private Person moeJunior; public Person getMoeSenior() { return moeSenior; } public Person getMoeJunior() { return moeJunior; } } @SuppressWarnings("unused") private static class Person { private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } @Qualifier("special") @SimpleValueQualifier("special") private static class SpecialPerson extends Person { } @Target({ElementType.FIELD, ElementType.TYPE}) @Retention(RetentionPolicy.RUNTIME) @Qualifier public @interface SimpleValueQualifier { String value() default ""; } @Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface MultipleAttributeQualifier { String name(); int age(); } private static final String FACTORY_QUALIFIER = "FACTORY"; private static final String IMPL_QUALIFIER = "IMPL"; public static class MultiQualifierClient { @Autowired @Qualifier(FACTORY_QUALIFIER) public Theta factoryTheta; @Autowired @Qualifier(IMPL_QUALIFIER) public Theta implTheta; } public interface Theta { } @Qualifier(IMPL_QUALIFIER) public static class ThetaImpl implements Theta { } @Qualifier(FACTORY_QUALIFIER) public static class QualifiedFactoryBean implements FactoryBean<Theta> { @Override public Theta getObject() { return new Theta() {}; } @Override public Class<Theta> getObjectType() { return Theta.class; } @Override public boolean isSingleton() { return true; } } }