org.springframework.web.servlet.view.tiles
Class ComponentControllerSupport

java.lang.Object
  org.springframework.context.support.ApplicationObjectSupport
      org.springframework.web.context.support.WebApplicationObjectSupport
          org.springframework.web.servlet.view.tiles.ComponentControllerSupport

All Implemented Interfaces:

ApplicationContextAware, org.apache.struts.tiles.Controller

public abstract class ComponentControllerSupport

extends WebApplicationObjectSupport

implements org.apache.struts.tiles.Controller

Convenience class for Spring-aware Tiles component controllers. Provides a reference to the current Spring application context, e.g. for bean lookup or resource loading.

Since:

22.08.2003

Author:

Juergen Hoeller, Alef Arendsen

Field Summary

Fields inherited from class org.springframework.context.support.ApplicationObjectSupport

logger

Constructor Summary

ComponentControllerSupport()

Method Summary

protected abstract void	doPerform(org.apache.struts.tiles.ComponentContext componentContext, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Perform the preparation for the component, allowing for any Exception to be thrown.
void	perform(org.apache.struts.tiles.ComponentContext componentContext, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.ServletContext servletContext) This implementation delegates to doPerform, lazy-initializing the application context reference if necessary, and converting non-Servlet/IO Exceptions to ServletException.

Methods inherited from class org.springframework.web.context.support.WebApplicationObjectSupport

getServletContext, getTempDir, getWebApplicationContext, requiredContextClass

Methods inherited from class org.springframework.context.support.ApplicationObjectSupport

getApplicationContext, getMessageSourceAccessor, initApplicationContext, setApplicationContext

Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentControllerSupport

public ComponentControllerSupport()

Method Detail

perform

public final void perform(org.apache.struts.tiles.ComponentContext componentContext,
                          javax.servlet.http.HttpServletRequest request,
                          javax.servlet.http.HttpServletResponse response,
                          javax.servlet.ServletContext servletContext)
                   throws javax.servlet.ServletException,
                          java.io.IOException

This implementation delegates to doPerform, lazy-initializing the application context reference if necessary, and converting non-Servlet/IO Exceptions to ServletException.

Specified by:

perform in interface org.apache.struts.tiles.Controller

Throws:

javax.servlet.ServletException

java.io.IOException

See Also:

doPerform(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)

doPerform

protected abstract void doPerform(org.apache.struts.tiles.ComponentContext componentContext,
                                  javax.servlet.http.HttpServletRequest request,
                                  javax.servlet.http.HttpServletResponse response)
                           throws java.lang.Exception

Perform the preparation for the component, allowing for any Exception to be thrown. The ServletContext can be retrieved via getServletContext, if necessary. The Spring WebApplicationContext can be accessed via getWebApplicationContext.

Parameters:

componentContext - current Tiles component context

request - current HTTP request

response - current HTTP response

Throws:

java.lang.Exception - in case of errors

See Also:

Controller.perform(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext), WebApplicationObjectSupport.getServletContext(), WebApplicationObjectSupport.getWebApplicationContext()