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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.web.portlet.handler 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.context.support.ApplicationObjectSupport
      org.springframework.web.portlet.handler.AbstractHandlerMapping

All known Subclasses:   org.springframework.web.portlet.handler.AbstractMapBasedHandlerMapping,
AbstractHandlerMapping
abstract public class AbstractHandlerMapping extends ApplicationObjectSupport implements HandlerMapping,Ordered(Code)
Abstract base class for org.springframework.web.portlet.HandlerMapping implementations. Supports ordering, a default handler, and handler interceptors.
author:
   Juergen Hoeller
author:
   John A. Lewis
since:
   2.0
See Also:   AbstractHandlerMapping.getHandlerInternal
See Also:   AbstractHandlerMapping.setDefaultHandler
See Also:   AbstractHandlerMapping.setInterceptors
See Also:   org.springframework.web.portlet.HandlerInterceptor




Method Summary
protected  HandlerInterceptoradaptInterceptor(Object interceptor)
     Adapt the given interceptor object to the HandlerInterceptor interface.
protected  voidextendInterceptors(List interceptors)
     Extension hook that subclasses can override to register additional interceptors, given the configured interceptors (see AbstractHandlerMapping.setInterceptors ).
final protected  HandlerInterceptor[]getAdaptedInterceptors()
     Return the adapted interceptors as HandlerInterceptor array.
public  ObjectgetDefaultHandler()
     Return the default handler for this handler mapping, or null if none.
final public  HandlerExecutionChaingetHandler(PortletRequest request)
     Look up a handler for the given request, falling back to the default handler if no specific one is found.
protected  HandlerExecutionChaingetHandlerExecutionChain(Object handler, PortletRequest request)
     Build a HandlerExecutionChain for the given handler, including applicable interceptors.

The default implementation simply builds a standard HandlerExecutionChain with the given handler and this handler mapping's common interceptors.

abstract protected  ObjectgetHandlerInternal(PortletRequest request)
     Look up a handler for the given request, returning null if no specific one is found.
final public  intgetOrder()
    
protected  voidinitApplicationContext()
     Initializes the interceptors.
protected  voidinitInterceptors()
     Initialize the specified interceptors, adapting them where necessary.
public  voidsetApplyWebRequestInterceptorsToRenderPhaseOnly(boolean applyWebRequestInterceptorsToRenderPhaseOnly)
     Specify whether to apply WebRequestInterceptors to the Portlet render phase only ("true", or whether to apply them to the Portlet action phase as well ("false").
public  voidsetDefaultHandler(Object defaultHandler)
     Set the default handler for this handler mapping.
public  voidsetInterceptors(Object[] interceptors)
     Set the interceptors to apply for all handlers mapped by this handler mapping.
final public  voidsetOrder(int order)
     Specify the order value for this HandlerMapping bean.



Method Detail
adaptInterceptor
protected HandlerInterceptor adaptInterceptor(Object interceptor)(Code)
Adapt the given interceptor object to the HandlerInterceptor interface.

Supported interceptor types are HandlerInterceptor and WebRequestInterceptor. Each given WebRequestInterceptor will be wrapped in a WebRequestHandlerInterceptorAdapter. Can be overridden in subclasses.
Parameters:
  interceptor - the specified interceptor object the interceptor wrapped as HandlerInterceptor
See Also:   AbstractHandlerMapping.setApplyWebRequestInterceptorsToRenderPhaseOnly
See Also:   org.springframework.web.portlet.HandlerInterceptor
See Also:   org.springframework.web.context.request.WebRequestInterceptor
See Also:   WebRequestHandlerInterceptorAdapter




extendInterceptors
protected void extendInterceptors(List interceptors)(Code)
Extension hook that subclasses can override to register additional interceptors, given the configured interceptors (see AbstractHandlerMapping.setInterceptors ).

Will be invoked before AbstractHandlerMapping.initInterceptors() adapts the specified interceptors into HandlerInterceptor instances.

The default implementation is empty.
Parameters:
  interceptors - the configured interceptor List (never null),allowing to add further interceptors before as well as after the existinginterceptors




getAdaptedInterceptors
final protected HandlerInterceptor[] getAdaptedInterceptors()(Code)
Return the adapted interceptors as HandlerInterceptor array. the array of HandlerInterceptors, or null if none



getDefaultHandler
public Object getDefaultHandler()(Code)
Return the default handler for this handler mapping, or null if none.



getHandler
final public HandlerExecutionChain getHandler(PortletRequest request) throws Exception(Code)
Look up a handler for the given request, falling back to the default handler if no specific one is found.
Parameters:
  request - current portlet request the corresponding handler instance, or the default handler
See Also:   AbstractHandlerMapping.getHandlerInternal



getHandlerExecutionChain
protected HandlerExecutionChain getHandlerExecutionChain(Object handler, PortletRequest request)(Code)
Build a HandlerExecutionChain for the given handler, including applicable interceptors.

The default implementation simply builds a standard HandlerExecutionChain with the given handler and this handler mapping's common interceptors. Subclasses may override this in order to extend/rearrange the list of interceptors.
Parameters:
  handler - the resolved handler instance (never null)
Parameters:
  request - current portlet request the HandlerExecutionChain (never null)
See Also:   AbstractHandlerMapping.getAdaptedInterceptors()




getHandlerInternal
abstract protected Object getHandlerInternal(PortletRequest request) throws Exception(Code)
Look up a handler for the given request, returning null if no specific one is found. This method is called by getHandler; a null return value will lead to the default handler, if one is set.
Parameters:
  request - current portlet request the corresponding handler instance, or null if none found
throws:
  Exception - if there is an internal error
See Also:   AbstractHandlerMapping.getHandler



getOrder
final public int getOrder()(Code)



initApplicationContext
protected void initApplicationContext() throws BeansException(Code)
Initializes the interceptors.
See Also:   AbstractHandlerMapping.extendInterceptors(java.util.List)
See Also:   AbstractHandlerMapping.initInterceptors()



initInterceptors
protected void initInterceptors()(Code)
Initialize the specified interceptors, adapting them where necessary.
See Also:   AbstractHandlerMapping.setInterceptors
See Also:   AbstractHandlerMapping.adaptInterceptor



setApplyWebRequestInterceptorsToRenderPhaseOnly
public void setApplyWebRequestInterceptorsToRenderPhaseOnly(boolean applyWebRequestInterceptorsToRenderPhaseOnly)(Code)
Specify whether to apply WebRequestInterceptors to the Portlet render phase only ("true", or whether to apply them to the Portlet action phase as well ("false").

Default is "true", since WebRequestInterceptors are usually built for MVC-style handler execution plus rendering process (which is, for example, the primary target scenario for "Open Session in View" interceptors, offering lazy loading of persistent objects during view rendering). Set this to "false" to have WebRequestInterceptors apply to the action phase as well (for example, in case of an "Open Session in View" interceptor, to allow for lazy loading outside of a transaction during the action phase).
See Also:   AbstractHandlerMapping.setInterceptors
See Also:   org.springframework.web.context.request.WebRequestInterceptor
See Also:   WebRequestHandlerInterceptorAdapter.WebRequestHandlerInterceptorAdapter(WebRequestInterceptorboolean)
See Also:   org.springframework.orm.hibernate3.support.OpenSessionInViewInterceptor




setDefaultHandler
public void setDefaultHandler(Object defaultHandler)(Code)
Set the default handler for this handler mapping. This handler will be returned if no specific mapping was found.

Default is null, indicating no default handler.




setInterceptors
public void setInterceptors(Object[] interceptors)(Code)
Set the interceptors to apply for all handlers mapped by this handler mapping.

Supported interceptor types are HandlerInterceptor and WebRequestInterceptor. Each given WebRequestInterceptor will be wrapped in a WebRequestHandlerInterceptorAdapter.
Parameters:
  interceptors - array of handler interceptors, or null if none
See Also:   AbstractHandlerMapping.adaptInterceptor
See Also:   org.springframework.web.portlet.HandlerInterceptor
See Also:   org.springframework.web.context.request.WebRequestInterceptor




setOrder
final public void setOrder(int order)(Code)
Specify the order value for this HandlerMapping bean.

Default value is Integer.MAX_VALUE, meaning that it's non-ordered.
See Also:   org.springframework.core.Ordered.getOrder




Fields inherited from org.springframework.context.support.ApplicationObjectSupport
final protected Log logger(Code)(Java Doc)

Methods inherited from org.springframework.context.support.ApplicationObjectSupport
final public ApplicationContext getApplicationContext() throws IllegalStateException(Code)(Java Doc)
final protected MessageSourceAccessor getMessageSourceAccessor() throws IllegalStateException(Code)(Java Doc)
protected void initApplicationContext() throws BeansException(Code)(Java Doc)
protected boolean isContextRequired()(Code)(Java Doc)
protected Class requiredContextClass()(Code)(Java Doc)
final public void setApplicationContext(ApplicationContext context) throws BeansException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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