org.codehaus.groovy.grails.scaffolding
Class TemplateGeneratingResponseHandler

java.lang.Object
  org.codehaus.groovy.grails.scaffolding.TemplateGeneratingResponseHandler

All Implemented Interfaces:

ScaffoldResponseHandler, ApplicationContextAware

public class TemplateGeneratingResponseHandler
extends Object
implements ScaffoldResponseHandler, ApplicationContextAware

A response handler that uses a GroovyPageTemplateEngine instance to write Templates directly to the response. Also requires a reference to the ViewResolver to establish whether a view already exists for the response, in which case it delegates to the view.

Since:

0.5

Created: Feb 27, 2007 Time: 7:45:46 AM

Author:

Graeme Rocher

See Also:

ViewResolver, GrailsViewResolver, GroovyPagesTemplateEngine

Constructor Summary

TemplateGeneratingResponseHandler()

Method Summary

void	clearViewCache() Clears the cache of generated views.
protected ModelAndView	createScaffoldedResponse(String uri, Map model, String actionName) Takes the given URI and model and either retrieves a cached view or generates and places the generated view into a ScaffoldedGroovyPageView instance
ModelAndView	handleResponse(HttpServletRequest request, HttpServletResponse response, String actionName, Map model) Either delegates to a pre-existing view or renders an in-memory scaffolded view to the response
void	setApplicationContext(ApplicationContext applicationContext)
void	setGrailsApplication(GrailsApplication grailsApplication)
void	setScaffoldedClass(Class scaffoldedClass)
void	setTemplateGenerator(GrailsTemplateGenerator templateGenerator) Sets the Scaffolding GrailsTemplateGenerator to use when generating templates
void	setViewResolver(ViewResolver resolver) Sets the ViewResolver this ResponseHandler should use to resolve pre-existing views

Methods inherited from class java.lang.Object

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

Constructor Detail

TemplateGeneratingResponseHandler

public TemplateGeneratingResponseHandler()

Method Detail

clearViewCache

public void clearViewCache()

Clears the cache of generated views. Scaffolded views will subsequently be re-generated

handleResponse

public ModelAndView handleResponse(HttpServletRequest request,
                                   HttpServletResponse response,
                                   String actionName,
                                   Map model)

Either delegates to a pre-existing view or renders an in-memory scaffolded view to the response

Specified by:

handleResponse in interface ScaffoldResponseHandler

Parameters:

request - The HttpServletRequest

response - The HttpServletResponse

actionName - The name of the action to handle

model - The View model

Returns:

A Spring ModelAndView instance

createScaffoldedResponse

protected ModelAndView createScaffoldedResponse(String uri,
                                                Map model,
                                                String actionName)

Takes the given URI and model and either retrieves a cached view or generates and places the generated view into a ScaffoldedGroovyPageView instance

Parameters:

uri - The URI of the view

model - The model of the view

actionName -

Returns:

A Spring ModelAndView instance

setViewResolver

public void setViewResolver(ViewResolver resolver)

Sets the ViewResolver this ResponseHandler should use to resolve pre-existing views

Specified by:

setViewResolver in interface ScaffoldResponseHandler

Parameters:

resolver - The ViewResolver

setTemplateGenerator

public void setTemplateGenerator(GrailsTemplateGenerator templateGenerator)

Sets the Scaffolding GrailsTemplateGenerator to use when generating templates

Parameters:

templateGenerator - The GrailsTemplateGenerator instance

setScaffoldedClass

public void setScaffoldedClass(Class scaffoldedClass)

setGrailsApplication

public void setGrailsApplication(GrailsApplication grailsApplication)

setApplicationContext

public void setApplicationContext(ApplicationContext applicationContext)
                           throws BeansException

Specified by:

setApplicationContext in interface ApplicationContextAware

Throws:

BeansException