Examples of org.springframework.beans.factory.config.BeanPostProcessor

Package org.springframework.beans.factory.config

Examples of org.springframework.beans.factory.config.BeanPostProcessor

org.springframework.beans.factory.config.BeanPostProcessor
Factory hook that allows for custom modification of new bean instances, e.g. checking for marker interfaces or wrapping them with proxies.
ApplicationContexts can autodetect BeanPostProcessor beans in their bean definitions and apply them to any beans subsequently created. Plain bean factories allow for programmatic registration of post-processors, applying to all beans created through this factory.
Typically, post-processors that populate beans via marker interfaces or the like will implement {@link #postProcessBeforeInitialization}, while post-processors that wrap beans with proxies will normally implement {@link #postProcessAfterInitialization}. @author Juergen Hoeller @since 10.10.2003 @see InstantiationAwareBeanPostProcessor @see DestructionAwareBeanPostProcessor @see ConfigurableBeanFactory#addBeanPostProcessor @see BeanFactoryPostProcessor


    if (hasInstAwareBpps || needsDepCheck) {
      PropertyDescriptor[] filteredPds = filterPropertyDescriptorsForDependencyCheck(bw);
      if (hasInstAwareBpps) {
        for (Iterator it = getBeanPostProcessors().iterator(); it.hasNext(); ) {
          BeanPostProcessor beanProcessor = (BeanPostProcessor) it.next();
          if (beanProcessor instanceof InstantiationAwareBeanPostProcessor) {
            InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) beanProcessor;
            pvs = ibp.postProcessPropertyValues(pvs, filteredPds, bw.getWrappedInstance(), beanName);
            if (pvs == null) {
              return;

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     * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
     */
    private void includeAnnotationProcessors(ConfigurableListableBeanFactory beanFactory) {


        // Processor to deal with @Init and @Destroy SCA Annotations
        BeanPostProcessor initDestroyProcessor = new InitDestroyAnnotationProcessor();
        beanFactory.addBeanPostProcessor(initDestroyProcessor);


        // Processor to deal with @Reference SCA Annotations
        ComponentStub component = new ComponentStub(implementation.getComponentTie());
        BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component);
        beanFactory.addBeanPostProcessor(referenceProcessor);


        // Processor to deal with @Property SCA Annotations
        PropertyValueStub pvs = new PropertyValueStub(implementation.getPropertyValueTie());
        BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(pvs);
        beanFactory.addBeanPostProcessor(propertyProcessor);


        // Processor to deal with @ComponentName SCA Annotations
        BeanPostProcessor componentNameProcessor =
            new ComponentNameAnnotationProcessor(implementation.getComponentName());
        beanFactory.addBeanPostProcessor(componentNameProcessor);


        // Processor to deal with @Constructor SCA Annotations
        BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor();
        beanFactory.addBeanPostProcessor(constructorProcessor);
    }

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     * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
     */
    private void includeAnnotationProcessors(ConfigurableListableBeanFactory beanFactory) {
        
        // Processor to deal with @Init and @Destroy SCA Annotations
        BeanPostProcessor initDestroyProcessor = new InitDestroyAnnotationProcessor();
        beanFactory.addBeanPostProcessor(initDestroyProcessor);


        // Processor to deal with @Reference SCA Annotations
        ComponentStub component = new ComponentStub(implementation.getComponentTie());
        BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component);
        beanFactory.addBeanPostProcessor(referenceProcessor);
        
        // Processor to deal with @Property SCA Annotations
        PropertyValueStub pvs = new PropertyValueStub(implementation.getPropertyValueTie());
        BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(pvs);
        beanFactory.addBeanPostProcessor(propertyProcessor);
        
        // Processor to deal with @ComponentName SCA Annotations
        BeanPostProcessor componentNameProcessor = new ComponentNameAnnotationProcessor(implementation.getComponentName());
        beanFactory.addBeanPostProcessor(componentNameProcessor);
        
        // Processor to deal with @Constructor SCA Annotations
        BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor();
        beanFactory.addBeanPostProcessor(constructorProcessor);         
    }

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     * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
     */
    private void includeAnnotationProcessors(ConfigurableListableBeanFactory beanFactory) {


        // Processor to deal with @Init and @Destroy SCA Annotations
        BeanPostProcessor initDestroyProcessor = new InitDestroyAnnotationProcessor();
        beanFactory.addBeanPostProcessor(initDestroyProcessor);


        // Processor to deal with @Reference SCA Annotations
        ComponentWrapper component = implementation.getComponentWrapper();
        BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component);
        beanFactory.addBeanPostProcessor(referenceProcessor);


        // Processor to deal with @Property SCA Annotations
        PropertyValueWrapper pvs = implementation.getPropertyValueWrapper();
        BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(pvs);
        beanFactory.addBeanPostProcessor(propertyProcessor);


        // Processor to deal with @ComponentName SCA Annotations
        BeanPostProcessor componentNameProcessor =
            new ComponentNameAnnotationProcessor(implementation.getComponentName());
        beanFactory.addBeanPostProcessor(componentNameProcessor);


        // Processor to deal with @Constructor SCA Annotations
        BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor();
        beanFactory.addBeanPostProcessor(constructorProcessor);
    }

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    PortletConfig portletConfig = new MockPortletConfig(portletContext);
    root.setPortletConfig(portletConfig);
    root.setConfigLocations(new String[] {"/org/springframework/web/context/WEB-INF/applicationContext.xml"});
    root.addBeanFactoryPostProcessor(new BeanFactoryPostProcessor() {
      public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
        beanFactory.addBeanPostProcessor(new BeanPostProcessor() {
          public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
            if(bean instanceof TestBean) {
              ((TestBean) bean).getFriends().add("myFriend");
            }
            return bean;

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     */
    public void defineBeanPostProcessors(ConfigurableListableBeanFactory cbf) throws BeansException
    {
        if (!cbf.containsSingleton(POST_PROCESSOR_BEAN_NAME))
        {
            BeanPostProcessor processor = new OrchestraAdvisorBeanPostProcessor(applicationContext);


            // Adding the bean to the singletons set causes it to be picked up by the standard
            // AbstractApplicationContext.RegisterBeanPostProcessors method; that calls
            // getBeanNamesForType(BeanPostProcessor.class, ...) which finds stuff in the
            // singleton map even when there is no actual BeanDefinition for it.

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  public Object applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName)
      throws BeansException {


    Object result = existingBean;
    for (Iterator it = getBeanPostProcessors().iterator(); it.hasNext();) {
      BeanPostProcessor beanProcessor = (BeanPostProcessor) it.next();
      result = beanProcessor.postProcessBeforeInitialization(result, beanName);
    }
    return result;
  }

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  public Object applyBeanPostProcessorsAfterInitialization(Object existingBean, String beanName)
      throws BeansException {


    Object result = existingBean;
    for (Iterator it = getBeanPostProcessors().iterator(); it.hasNext();) {
      BeanPostProcessor beanProcessor = (BeanPostProcessor) it.next();
      result = beanProcessor.postProcessAfterInitialization(result, beanName);
    }
    return result;
  }

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    }
    // Apply SmartInstantiationAwareBeanPostProcessors to predict the
    // eventual type after a before-instantiation shortcut.
    if (beanClass != null && !mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
      for (Iterator it = getBeanPostProcessors().iterator(); it.hasNext(); ) {
        BeanPostProcessor bp = (BeanPostProcessor) it.next();
        if (bp instanceof SmartInstantiationAwareBeanPostProcessor) {
          SmartInstantiationAwareBeanPostProcessor ibp = (SmartInstantiationAwareBeanPostProcessor) bp;
          Class processedType = ibp.predictBeanType(beanClass, beanName);
          if (processedType != null) {
            return processedType;

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   */
  protected Object getEarlyBeanReference(String beanName, RootBeanDefinition mbd, Object bean) {
    Object exposedObject = bean;
    if (!mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
      for (Iterator it = getBeanPostProcessors().iterator(); it.hasNext(); ) {
        BeanPostProcessor bp = (BeanPostProcessor) it.next();
        if (bp instanceof SmartInstantiationAwareBeanPostProcessor) {
          SmartInstantiationAwareBeanPostProcessor ibp = (SmartInstantiationAwareBeanPostProcessor) bp;
          exposedObject = ibp.getEarlyBeanReference(exposedObject, beanName);
        }
      }

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