com.interface21.context.support
Class ApplicationObjectSupport

java.lang.Object
  |
  +--com.interface21.context.support.ApplicationObjectSupport

All Implemented Interfaces:

ApplicationContextAware

Direct Known Subclasses:

AbstractCachingViewResolver, AbstractHandlerMapping, AbstractView, BeanNameViewResolver, SimpleControllerHandlerAdapter, VelocityConfigurer, WebContentGenerator

public abstract class ApplicationObjectSupport

extends java.lang.Object

implements ApplicationContextAware

Convenient superclass for web application objects such as controllers. Saves WebApplicationContext and provides an initialization hook method. There is no requirement to subclass this class: It just makes things a little easier.

Author:

Rod Johnson, Juergen Hoeller

Field Summary

protected org.apache.commons.logging.Log

logger Logger that is available to subclasses

Constructor Summary

ApplicationObjectSupport()

Method Summary

ApplicationContext	getApplicationContext() Return the ApplicationContext instance used by this object.
protected void	initApplicationContext() Subclasses can override this for custom initialization behavior.
void	setApplicationContext(ApplicationContext ctx) Set the ApplicationContext used by this object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected final org.apache.commons.logging.Log logger

Logger that is available to subclasses

Constructor Detail

ApplicationObjectSupport

public ApplicationObjectSupport()

Method Detail

setApplicationContext

public final void setApplicationContext(ApplicationContext ctx)
                                 throws ApplicationContextException

Description copied from interface: ApplicationContextAware

Set the ApplicationContext used by this object. Normally this call will be used to initialize the object. Note that this call can occur multiple times: The implementation must check itself that if it is already initialized resp. if it wants to perform reinitialization.

Specified by:

setApplicationContext in interface ApplicationContextAware

Following copied from interface: com.interface21.context.ApplicationContextAware

Parameters:

ctx - ApplicationContext object used by this object

Throws:

ApplicationContextException - if initialization attempted by this object after it has access to the WebApplicatinContext fails

getApplicationContext

public final ApplicationContext getApplicationContext()

Return the ApplicationContext instance used by this object.

initApplicationContext

protected void initApplicationContext()
                               throws ApplicationContextException

Subclasses can override this for custom initialization behavior. Gets called by setApplicationContext() after setting the context instance.