Java 类org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver 实例源码

@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 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);
}

@Before
public void setUp() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    QualifierAnnotationAutowireCandidateResolver acr = new QualifierAnnotationAutowireCandidateResolver();
    acr.setBeanFactory(bf);
    bf.setAutowireCandidateResolver(acr);
    this.beanFactory = bf;
}

/**
 * Creates a <code>DefaultListableBeanFactory</code> with some default
 * settings, i.e.
 * <ul>
 * <li>support of auto-wiring annotation</li>
 * <li>disabled bean-overriding</li>
 * </ul>
 * 
 * @param enableAutoWiring
 *            <code>true</code> if auto-wiring for the factory should be
 *            enabled, otherwise <code>false</code>
 * @param allowBeanOverriding
 *            <code>true</code> if a bean can override another bean with the
 *            same id, otherwise <code>false</code>
 * 
 * @return a <code>DefaultListableBeanFactory</code> with some default
 *         settings
 * 
 * @see AutowiredAnnotationBeanPostProcessor
 * @see DefaultListableBeanFactory#setAllowBeanDefinitionOverriding
 */
public static DefaultListableBeanFactory createBeanFactory(
        final boolean enableAutoWiring, final boolean allowBeanOverriding) {

    // create the factory
    final DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
    factory.setAllowBeanDefinitionOverriding(allowBeanOverriding);

    // enable auto-wiring
    if (enableAutoWiring) {
        // get the resolver used for autowiring, we want the qualifier to be
        // used
        // when resolving
        final AutowireCandidateResolver resolver = new QualifierAnnotationAutowireCandidateResolver();
        factory.setAutowireCandidateResolver(resolver);

        // now create the post processor and set the factory and the
        // resolver
        final AutowiredAnnotationBeanPostProcessor autowiredPostProcessor = new AutowiredAnnotationBeanPostProcessor();
        autowiredPostProcessor.setBeanFactory(factory);
        factory.addBeanPostProcessor(autowiredPostProcessor);
    }

    factory.addPropertyEditorRegistrar(new ConfiguratorPropertyEditorRegistrar());

    return factory;
}

/**
 * Customize the internal bean factory used by this context.
 * Called for each {@link #refresh()} attempt.
 * <p>The default implementation applies this context's
 * {@linkplain #setAllowBeanDefinitionOverriding "allowBeanDefinitionOverriding"}
 * and {@linkplain #setAllowCircularReferences "allowCircularReferences"} settings,
 * if specified. Can be overridden in subclasses to customize any of
 * {@link DefaultListableBeanFactory}'s settings.
 * @param beanFactory the newly created bean factory for this context
 * @see DefaultListableBeanFactory#setAllowBeanDefinitionOverriding
 * @see DefaultListableBeanFactory#setAllowCircularReferences
 * @see DefaultListableBeanFactory#setAllowRawInjectionDespiteWrapping
 * @see DefaultListableBeanFactory#setAllowEagerClassLoading
 */
protected void customizeBeanFactory(DefaultListableBeanFactory beanFactory) {
    if (this.allowBeanDefinitionOverriding != null) {
        beanFactory.setAllowBeanDefinitionOverriding(this.allowBeanDefinitionOverriding);
    }
    if (this.allowCircularReferences != null) {
        beanFactory.setAllowCircularReferences(this.allowCircularReferences);
    }
    beanFactory.setAutowireCandidateResolver(new QualifierAnnotationAutowireCandidateResolver());
}

/**
 * Create a new GenericApplicationContext.
 * @see #registerBeanDefinition
 * @see #refresh
 */
public GenericApplicationContext() {
    this.beanFactory = new DefaultListableBeanFactory();
    this.beanFactory.setAutowireCandidateResolver(new QualifierAnnotationAutowireCandidateResolver());
}