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ActionServletAwareProcessor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.struts
Class ActionServletAwareProcessor

java.lang.Object
  extended by org.springframework.web.struts.ActionServletAwareProcessor
All Implemented Interfaces:
BeanPostProcessor, DestructionAwareBeanPostProcessor
public class ActionServletAwareProcessor
extends Object
implements DestructionAwareBeanPostProcessor

BeanPostProcessor implementation that passes the ActionServlet to beans that extend the Struts Action class. Invokes Action.setServlet with null on bean destruction, providing the same lifecycle handling as Struts' ActionServlet.

ContextLoaderPlugIn automatically registers this processor with the underlying bean factory of its WebApplicationContext. Applications do not need to use this class directly.

Since:
1.0.1
Author:
Juergen Hoeller
See Also:
ContextLoaderPlugIn, Action.setServlet(org.apache.struts.action.ActionServlet)

Constructor Summary
ActionServletAwareProcessor(ActionServlet actionServlet)
          Create a new ActionServletAwareProcessor for the given servlet.
 
Method Summary
 Object postProcessAfterInitialization(Object bean, String beanName)
          Apply this BeanPostProcessor to the given new bean instance after any bean initialization callbacks (like InitializingBean's afterPropertiesSet or a custom init-method).
 void postProcessBeforeDestruction(Object bean, String beanName)
          Apply this BeanPostProcessor to the given bean instance before its destruction.
 Object postProcessBeforeInitialization(Object bean, String beanName)
          Apply this BeanPostProcessor to the given new bean instance before any bean initialization callbacks (like InitializingBean's afterPropertiesSet or a custom init-method).
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ActionServletAwareProcessor

public ActionServletAwareProcessor(ActionServlet actionServlet)
Create a new ActionServletAwareProcessor for the given servlet.

Method Detail

postProcessBeforeInitialization

public Object postProcessBeforeInitialization(Object bean,
                                              String beanName)
Description copied from interface: BeanPostProcessor
Apply this BeanPostProcessor to the given new bean instance before any bean initialization callbacks (like InitializingBean's afterPropertiesSet or a custom init-method). The bean will already be populated with property values. The returned bean instance may be a wrapper around the original.

Specified by:
postProcessBeforeInitialization in interface BeanPostProcessor
Parameters:
bean - the new bean instance
beanName - the name of the bean
Returns:
the bean instance to use, either the original or a wrapped one
See Also:
InitializingBean.afterPropertiesSet()

postProcessAfterInitialization

public Object postProcessAfterInitialization(Object bean,
                                             String beanName)
Description copied from interface: BeanPostProcessor
Apply this BeanPostProcessor to the given new bean instance after any bean initialization callbacks (like InitializingBean's afterPropertiesSet or a custom init-method). The bean will already be populated with property values. The returned bean instance may be a wrapper around the original.

In case of a FactoryBean, this callback will be invoked for both the FactoryBean instance and the objects created by the FactoryBean (as of Spring 2.0). The post-processor can decide whether to apply to either the FactoryBean or created objects or both through corresponding bean instanceof FactoryBean checks.

This callback will also be invoked after a short-circuiting triggered by a InstantiationAwareBeanPostProcessor.postProcessBeforeInstantiation(java.lang.Class, java.lang.String) method, in contrast to all other BeanPostProcessor callbacks.

Specified by:
postProcessAfterInitialization in interface BeanPostProcessor
Parameters:
bean - the new bean instance
beanName - the name of the bean
Returns:
the bean instance to use, either the original or a wrapped one
See Also:
InitializingBean.afterPropertiesSet(), FactoryBean

postProcessBeforeDestruction

public void postProcessBeforeDestruction(Object bean,
                                         String beanName)
Description copied from interface: DestructionAwareBeanPostProcessor
Apply this BeanPostProcessor to the given bean instance before its destruction. Can invoke custom destruction callbacks.

Like DisposableBean's destroy and a custom destroy method, this callback just applies to singleton beans in the factory (including inner beans).

Specified by:
postProcessBeforeDestruction in interface DestructionAwareBeanPostProcessor
Parameters:
bean - the bean instance to be destroyed
beanName - the name of the bean
See Also:
DisposableBean, AbstractBeanDefinition.setDestroyMethodName(java.lang.String)
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