org.springframework.web.portlet.handler
Class SimplePortletPostProcessor

java.lang.Object
  extended by org.springframework.web.portlet.handler.SimplePortletPostProcessor
All Implemented Interfaces:
Aware, BeanPostProcessor, DestructionAwareBeanPostProcessor, PortletConfigAware, PortletContextAware

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

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(javax.portlet.PortletConfig portletConfig)
          Set the PortletConfigthat this object runs in.
 void setPortletContext(javax.portlet.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)

setPortletContext

public void setPortletContext(javax.portlet.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

setPortletConfig

public void setPortletConfig(javax.portlet.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

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; if null, no subsequent BeanPostProcessors will be invoked
Throws:
BeansException - in case of errors
See Also:
InitializingBean.afterPropertiesSet()

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; if null, no subsequent BeanPostProcessors will be invoked
Throws:
BeansException - in case of errors
See Also:
InitializingBean.afterPropertiesSet(), FactoryBean

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)