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


org.springframework.web.struts.DelegatingTilesRequestProcessor

DelegatingTilesRequestProcessor
public class DelegatingTilesRequestProcessor extends TilesRequestProcessor (Code)
Subclass of Struts's TilesRequestProcessor that autowires Struts Actions defined in ContextLoaderPlugIn's WebApplicationContext (or, as a fallback, in the root WebApplicationContext).

Behaves like DelegatingRequestProcessor DelegatingRequestProcessor , but also provides the Tiles functionality of the original TilesRequestProcessor. As there's just a single central class to customize in Struts, we have to provide another subclass here, covering both the Tiles and the Spring delegation aspect.

The default implementation delegates to the DelegatingActionUtils class as fas as possible, to reuse as much code as possible despite the need to provide two RequestProcessor subclasses. If you need to subclass yet another RequestProcessor, take this class as a template, delegating to DelegatingActionUtils just like it.
author:
   Juergen Hoeller
since:
   1.0.2
See Also:   DelegatingRequestProcessor
See Also:   DelegatingActionProxy
See Also:   DelegatingActionUtils
See Also:   ContextLoaderPlugIn





Method Summary
protected  StringdetermineActionBeanName(ActionMapping mapping)
     Determine the name of the Action bean, to be looked up in the WebApplicationContext.
protected  ActiongetDelegateAction(ActionMapping mapping)
     Return the delegate Action for the given mapping.
final protected  WebApplicationContextgetWebApplicationContext()
     Return the WebApplicationContext that this processor delegates to.
public  voidinit(ActionServlet actionServlet, ModuleConfig moduleConfig)
    
protected  WebApplicationContextinitWebApplicationContext(ActionServlet actionServlet, ModuleConfig moduleConfig)
     Fetch ContextLoaderPlugIn's WebApplicationContext from the ServletContext, falling back to the root WebApplicationContext.
protected  ActionprocessActionCreate(HttpServletRequest request, HttpServletResponse response, ActionMapping mapping)
     Override the base class method to return the delegate action.



Method Detail
determineActionBeanName
protected String determineActionBeanName(ActionMapping mapping)(Code)
Determine the name of the Action bean, to be looked up in the WebApplicationContext.

The default implementation takes the mapping path and prepends the module prefix, if any.
Parameters:
  mapping - the Struts ActionMapping the name of the Action bean
See Also:   DelegatingActionUtils.determineActionBeanName
See Also:   ActionMapping.getPath
See Also:   ModuleConfig.getPrefix




getDelegateAction
protected Action getDelegateAction(ActionMapping mapping) throws BeansException(Code)
Return the delegate Action for the given mapping.

The default implementation determines a bean name from the given ActionMapping and looks up the corresponding bean in the WebApplicationContext.
Parameters:
  mapping - the Struts ActionMapping the delegate Action, or null if none found
throws:
  BeansException - if thrown by WebApplicationContext methods
See Also:   DelegatingTilesRequestProcessor.determineActionBeanName




getWebApplicationContext
final protected WebApplicationContext getWebApplicationContext()(Code)
Return the WebApplicationContext that this processor delegates to.



init
public void init(ActionServlet actionServlet, ModuleConfig moduleConfig) throws ServletException(Code)



initWebApplicationContext
protected WebApplicationContext initWebApplicationContext(ActionServlet actionServlet, ModuleConfig moduleConfig) throws IllegalStateException(Code)
Fetch ContextLoaderPlugIn's WebApplicationContext from the ServletContext, falling back to the root WebApplicationContext. This context is supposed to contain the Struts Action beans to delegate to.
Parameters:
  actionServlet - the associated ActionServlet
Parameters:
  moduleConfig - the associated ModuleConfig the WebApplicationContext
throws:
  IllegalStateException - if no WebApplicationContext could be found
See Also:   DelegatingActionUtils.findRequiredWebApplicationContext
See Also:   ContextLoaderPlugIn.SERVLET_CONTEXT_PREFIX



processActionCreate
protected Action processActionCreate(HttpServletRequest request, HttpServletResponse response, ActionMapping mapping) throws IOException(Code)
Override the base class method to return the delegate action.
See Also:   DelegatingTilesRequestProcessor.getDelegateAction



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