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

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org.springframework.web.portlet.handler
Class SimplePortletPostProcessor

java.lang.Object
  org.springframework.web.portlet.handler.SimplePortletPostProcessor

All Implemented Interfaces:

BeanPostProcessor, DestructionAwareBeanPostProcessor, PortletConfigAware, PortletContextAware

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public class SimplePortletPostProcessor
extends Object
implements DestructionAwareBeanPostProcessor, PortletContextAware, PortletConfigAware

Bean post-processor that applies initialization and destruction callbacks to beans that implement the Portlet interface.

After initialization of the bean instance, the Portlet init method will be called with a PortletConfig that contains the bean name of the Portlet and the PortletContext that it is running in.

Before destruction of the bean instance, the Portlet destroy will be called.

Note that this post-processor does not support Portlet initialization parameters. Bean instances that implement the Portlet interface are supposed to be configured like any other Spring bean, that is, through constructor arguments or bean properties.

For reuse of a Portlet implementation in a plain Portlet container and as a bean in a Spring context, consider deriving from Spring's GenericPortletBean base class that applies Portlet initialization parameters as bean properties, supporting both initialization styles.

Alternatively, consider wrapping a Portlet with Spring's PortletWrappingController. This is particularly appropriate for existing Portlet classes, allowing to specify Portlet initialization parameters etc.

Since:

2.0

Author:

Juergen Hoeller, John A. Lewis

See Also:

Portlet, PortletConfig, SimplePortletHandlerAdapter, GenericPortletBean, PortletWrappingController

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Constructor Summary
SimplePortletPostProcessor()

 

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).
void	setPortletConfig(PortletConfig portletConfig)           Set the PortletConfigthat this object runs in.
void	setPortletContext(PortletContext portletContext)           Set the PortletContext that this object runs in.
void	setUseSharedPortletConfig(boolean useSharedPortletConfig)           Set whether to use the shared PortletConfig object passed in through setPortletConfig, if available.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

SimplePortletPostProcessor

public SimplePortletPostProcessor()

Method Detail

setUseSharedPortletConfig

public void setUseSharedPortletConfig(boolean useSharedPortletConfig)

Set whether to use the shared PortletConfig object passed in through setPortletConfig, if available.

Default is "true". Turn this setting to "false" to pass in a mock PortletConfig object with the bean name as portlet name, holding the current PortletContext.

See Also:

setPortletConfig(javax.portlet.PortletConfig)

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setPortletContext

public void setPortletContext(PortletContext portletContext)

Description copied from interface: PortletContextAware

Set the PortletContext that this object runs in.

Invoked after population of normal bean properties but before an init callback like InitializingBean's afterPropertiesSet or a custom init-method. Invoked after ApplicationContextAware's setApplicationContext.

Specified by:

setPortletContext in interface PortletContextAware

Parameters:

portletContext - PortletContext object to be used by this object

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setPortletConfig

public void setPortletConfig(PortletConfig portletConfig)

Description copied from interface: PortletConfigAware

Set the PortletConfigthat this object runs in.

Invoked after population of normal bean properties but before an init callback like InitializingBean's afterPropertiesSet or a custom init-method. Invoked after ApplicationContextAware's setApplicationContext.

Specified by:

setPortletConfig in interface PortletConfigAware

Parameters:

portletConfig - PortletConfig object to be used by this object

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postProcessBeforeInitialization

public Object postProcessBeforeInitialization(Object bean,
                                              String beanName)
                                       throws BeansException

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

Throws:

BeansException - in case of errors

See Also:

InitializingBean.afterPropertiesSet()

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postProcessAfterInitialization

public Object postProcessAfterInitialization(Object bean,
                                             String beanName)
                                      throws BeansException

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

Throws:

BeansException - in case of errors

See Also:

InitializingBean.afterPropertiesSet(), FactoryBean

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postProcessBeforeDestruction

public void postProcessBeforeDestruction(Object bean,
                                         String beanName)
                                  throws BeansException

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

Throws:

BeansException - in case of errors

See Also:

DisposableBean, AbstractBeanDefinition.setDestroyMethodName(java.lang.String)

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