Examples of org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor

Package org.springframework.beans.factory.annotation

Examples of org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor

org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor
{@link org.springframework.beans.factory.config.BeanPostProcessor} implementationthat autowires annotated fields, setter methods and arbitrary config methods. Such members to be injected are detected through a Java 5 annotation: by default, Spring's {@link Autowired @Autowired} and {@link Value @Value} annotations.
Also supports JSR-330's {@link javax.inject.Inject @Inject} annotation,if available, as a direct alternative to Spring's own @Autowired.
Only one constructor (at max) of any given bean class may carry this annotation with the 'required' parameter set to true, indicating the constructor to autowire when used as a Spring bean. If multiple non-required constructors carry the annotation, they will be considered as candidates for autowiring. The constructor with the greatest number of dependencies that can be satisfied by matching beans in the Spring container will be chosen. If none of the candidates can be satisfied, then a default constructor (if present) will be used. An annotated constructor does not have to be public.
Fields are injected right after construction of a bean, before any config methods are invoked. Such a config field does not have to be public.
Config methods may have an arbitrary name and any number of arguments; each of those arguments will be autowired with a matching bean in the Spring container. Bean property setter methods are effectively just a special case of such a general config method. Config methods do not have to be public.
Note: A default AutowiredAnnotationBeanPostProcessor will be registered by the "context:annotation-config" and "context:component-scan" XML tags. Remove or turn off the default annotation configuration there if you intend to specify a custom AutowiredAnnotationBeanPostProcessor bean definition.
NOTE: Annotation injection will be performed before XML injection; thus the latter configuration will override the former for properties wired through both approaches. @author Juergen Hoeller @author Mark Fisher @since 2.5 @see #setAutowiredAnnotationType @see Autowired @see Value

    assertEquals("Repository<Integer>", bean.integerRepository.toString());
  }


  @Test
  public void genericsBasedInjectionWithScopedProxy() {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(beanFactory);
    beanFactory.addBeanPostProcessor(bpp);
    RootBeanDefinition bd = new RootBeanDefinition(RepositoryInjectionBean.class);
    bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
    beanFactory.registerBeanDefinition("annotatedBean", bd);
    beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(ScopedProxyRepositoryConfiguration.class));

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    assertEquals("Repository<Integer>", bean.integerRepository.toString());
  }


  @Test
  public void genericsBasedInjectionWithImplTypeAtInjectionPoint() {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(beanFactory);
    beanFactory.addBeanPostProcessor(bpp);
    RootBeanDefinition bd = new RootBeanDefinition(SpecificRepositoryInjectionBean.class);
    bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
    beanFactory.registerBeanDefinition("annotatedBean", bd);
    beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(SpecificRepositoryConfiguration.class));

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    assertSame(beanFactory.getBean("genericRepo"), bean.genericRepository);
  }


  @Test
  public void genericsBasedInjectionWithFactoryBean() {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(beanFactory);
    beanFactory.addBeanPostProcessor(bpp);
    RootBeanDefinition bd = new RootBeanDefinition(RepositoryFactoryBeanInjectionBean.class);
    bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
    beanFactory.registerBeanDefinition("annotatedBean", bd);
    beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(RepositoryFactoryBeanConfiguration.class));

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    assertSame(beanFactory.getBean("genericRepo"), beanFactory.getBean("repoConsumer"));
  }


  @Test
  public void testSelfReferenceExclusionForFactoryMethodOnSameBean() {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(beanFactory);
    beanFactory.addBeanPostProcessor(bpp);
    beanFactory.addBeanPostProcessor(new CommonAnnotationBeanPostProcessor());
    beanFactory.registerBeanDefinition("configClass", new RootBeanDefinition(ConcreteConfig.class));
    beanFactory.registerBeanDefinition("serviceBeanProvider", new RootBeanDefinition(ServiceBeanProvider.class));
    new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);

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    beanFactory.preInstantiateSingletons();
  }


  @Test
  public void testCircularDependency() {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(beanFactory);
    beanFactory.addBeanPostProcessor(bpp);
    beanFactory.registerBeanDefinition("configClass1", new RootBeanDefinition(A.class));
    beanFactory.registerBeanDefinition("configClass2", new RootBeanDefinition(AStrich.class));
    new ConfigurationClassPostProcessor().postProcessBeanFactory(beanFactory);
    try {

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  @Test
  public void testLazyResourceInjectionWithNonExistingTarget() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    bf.setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(bf);
    bf.addBeanPostProcessor(bpp);
    RootBeanDefinition bd = new RootBeanDefinition(FieldResourceInjectionBean.class);
    bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
    bf.registerBeanDefinition("annotatedBean", bd);

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   */
  public static void processInjectionBasedOnCurrentContext(Object target) {
    Assert.notNull(target, "Target object must not be null");
    WebApplicationContext cc = ContextLoader.getCurrentWebApplicationContext();
    if (cc != null) {
      AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
      bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
      bpp.processInjection(target);
    }
    else {
      if (logger.isDebugEnabled()) {
        logger.debug("Current WebApplicationContext is not available for processing of " +
            ClassUtils.getShortName(target.getClass()) + ": " +

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   * @see WebApplicationContextUtils#getWebApplicationContext(javax.servlet.ServletContext)
   */
  public static void processInjectionBasedOnServletContext(Object target, ServletContext servletContext) {
    Assert.notNull(target, "Target object must not be null");
    WebApplicationContext cc = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
    bpp.processInjection(target);
  }

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  /**
   * Actually autowire the target bean after construction/passivation.
   * @param target the target bean to autowire
   */
  protected void doAutowireBean(Object target) {
    AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
    configureBeanPostProcessor(bpp, target);
    bpp.setBeanFactory(getBeanFactory(target));
    bpp.processInjection(target);
  }

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      String name = entry.getKey();
      bean.configure(name, this, factory);
    }


    //
    AutowiredAnnotationBeanPostProcessor beanPostProcessor = new AutowiredAnnotationBeanPostProcessor();
    beanPostProcessor.setAutowiredAnnotationType(Inject.class);
    beanPostProcessor.setBeanFactory(factory);
    factory.addBeanPostProcessor(beanPostProcessor);


    //
    CommonAnnotationBeanPostProcessor commonAnnotationBeanProcessor = new CommonAnnotationBeanPostProcessor();
    factory.addBeanPostProcessor(commonAnnotationBeanProcessor);

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