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org.codehaus.groovy.grails.web.servlet
[Java] Class GrailsDispatcherServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.springframework.web.servlet.HttpServletBean
              org.springframework.web.servlet.FrameworkServlet
                  org.springframework.web.servlet.DispatcherServlet
                      org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet

public class GrailsDispatcherServlet
extends org.springframework.web.servlet.DispatcherServlet

Handles incoming requests for Grails.

Loads the Spring configuration based on the Grails application in the parent application context.

Authors:
Steven Devijver
Graeme Rocher
Since:
Jul 2, 2005

Field Summary
protected org.springframework.web.servlet.HandlerInterceptor[] interceptors

protected org.springframework.web.servlet.ViewResolver layoutViewResolver

protected org.springframework.web.multipart.MultipartResolver multipartResolver

 
Fields inherited from class org.springframework.web.servlet.DispatcherServlet
MULTIPART_RESOLVER_BEAN_NAME, LOCALE_RESOLVER_BEAN_NAME, THEME_RESOLVER_BEAN_NAME, HANDLER_MAPPING_BEAN_NAME, HANDLER_ADAPTER_BEAN_NAME, HANDLER_EXCEPTION_RESOLVER_BEAN_NAME, REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME, VIEW_RESOLVER_BEAN_NAME, FLASH_MAP_MANAGER_BEAN_NAME, WEB_APPLICATION_CONTEXT_ATTRIBUTE, LOCALE_RESOLVER_ATTRIBUTE, THEME_RESOLVER_ATTRIBUTE, THEME_SOURCE_ATTRIBUTE, PAGE_NOT_FOUND_LOG_CATEGORY, DEFAULT_NAMESPACE_SUFFIX, DEFAULT_CONTEXT_CLASS, SERVLET_CONTEXT_PREFIX
 
Fields inherited from class org.springframework.web.servlet.FrameworkServlet
DEFAULT_NAMESPACE_SUFFIX, DEFAULT_CONTEXT_CLASS, SERVLET_CONTEXT_PREFIX
 
Constructor Summary
GrailsDispatcherServlet()

Constructor.
 
Method Summary
protected javax.servlet.http.HttpServletRequest checkMultipart(javax.servlet.http.HttpServletRequest request)

Convert the request into a multipart request.

protected void copyParamsFromPreviousRequest(org.springframework.web.context.request.RequestAttributes previousRequestAttributes, GrailsWebRequest requestAttributes)

protected org.springframework.web.context.WebApplicationContext createWebApplicationContext(org.springframework.web.context.WebApplicationContext parent)

void destroy()

protected void doDispatch(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

protected org.springframework.web.servlet.HandlerInterceptor[] establishInterceptors(org.springframework.web.context.WebApplicationContext webContext)

Evalutes the given WebApplicationContext for all HandlerInterceptor and WebRequestInterceptor instances
org.springframework.web.servlet.HandlerExecutionChain getHandler(javax.servlet.http.HttpServletRequest request)

protected void initFrameworkServlet()

protected void initStrategies(org.springframework.context.ApplicationContext context)

void setApplication(GrailsApplication application)

Dependency injection for the application.
protected void triggerAfterCompletion(org.springframework.web.servlet.HandlerExecutionChain mappedHandler, int interceptorIndex, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.Exception ex)

Trigger afterCompletion callbacks on the mapped HandlerInterceptors.

protected javax.servlet.http.HttpServletResponse useWrappedOrOriginalResponse(javax.servlet.http.HttpServletResponse response)

 
Methods inherited from class org.springframework.web.servlet.DispatcherServlet
org.springframework.web.servlet.DispatcherServlet#getThemeSource(), org.springframework.web.servlet.DispatcherServlet#setDetectAllHandlerMappings(boolean), org.springframework.web.servlet.DispatcherServlet#setDetectAllHandlerAdapters(boolean), org.springframework.web.servlet.DispatcherServlet#setDetectAllHandlerExceptionResolvers(boolean), org.springframework.web.servlet.DispatcherServlet#setDetectAllViewResolvers(boolean), org.springframework.web.servlet.DispatcherServlet#setCleanupAfterInclude(boolean), org.springframework.web.servlet.DispatcherServlet#getMultipartResolver(), org.springframework.web.servlet.DispatcherServlet#destroy(), org.springframework.web.servlet.DispatcherServlet#refresh(), org.springframework.web.servlet.DispatcherServlet#getNamespace(), org.springframework.web.servlet.DispatcherServlet#setNamespace(java.lang.String), org.springframework.web.servlet.DispatcherServlet#getContextAttribute(), org.springframework.web.servlet.DispatcherServlet#getWebApplicationContext(), org.springframework.web.servlet.DispatcherServlet#onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent), org.springframework.web.servlet.DispatcherServlet#setContextAttribute(java.lang.String), org.springframework.web.servlet.DispatcherServlet#setContextClass(java.lang.Class), org.springframework.web.servlet.DispatcherServlet#getContextClass(), org.springframework.web.servlet.DispatcherServlet#setContextId(java.lang.String), org.springframework.web.servlet.DispatcherServlet#getContextId(), org.springframework.web.servlet.DispatcherServlet#setContextInitializerClasses(java.lang.String), org.springframework.web.servlet.DispatcherServlet#setContextInitializers([Lorg.springframework.context.ApplicationContextInitializer;), org.springframework.web.servlet.DispatcherServlet#setContextConfigLocation(java.lang.String), org.springframework.web.servlet.DispatcherServlet#getContextConfigLocation(), org.springframework.web.servlet.DispatcherServlet#setPublishContext(boolean), org.springframework.web.servlet.DispatcherServlet#setPublishEvents(boolean), org.springframework.web.servlet.DispatcherServlet#setThreadContextInheritable(boolean), org.springframework.web.servlet.DispatcherServlet#setDispatchOptionsRequest(boolean), org.springframework.web.servlet.DispatcherServlet#setDispatchTraceRequest(boolean), org.springframework.web.servlet.DispatcherServlet#getServletContextAttributeName(), org.springframework.web.servlet.DispatcherServlet#init(), org.springframework.web.servlet.DispatcherServlet#setEnvironment(org.springframework.core.env.Environment), org.springframework.web.servlet.DispatcherServlet#getServletContext(), org.springframework.web.servlet.DispatcherServlet#getServletName(), org.springframework.web.servlet.DispatcherServlet#service(javax.servlet.ServletRequest, javax.servlet.ServletResponse), org.springframework.web.servlet.DispatcherServlet#log(java.lang.String, java.lang.Throwable), org.springframework.web.servlet.DispatcherServlet#log(java.lang.String), org.springframework.web.servlet.DispatcherServlet#init(javax.servlet.ServletConfig), org.springframework.web.servlet.DispatcherServlet#getServletConfig(), org.springframework.web.servlet.DispatcherServlet#getServletInfo(), org.springframework.web.servlet.DispatcherServlet#getInitParameter(java.lang.String), org.springframework.web.servlet.DispatcherServlet#getInitParameterNames(), org.springframework.web.servlet.DispatcherServlet#wait(), org.springframework.web.servlet.DispatcherServlet#wait(long), org.springframework.web.servlet.DispatcherServlet#wait(long, int), org.springframework.web.servlet.DispatcherServlet#equals(java.lang.Object), org.springframework.web.servlet.DispatcherServlet#toString(), org.springframework.web.servlet.DispatcherServlet#hashCode(), org.springframework.web.servlet.DispatcherServlet#getClass(), org.springframework.web.servlet.DispatcherServlet#notify(), org.springframework.web.servlet.DispatcherServlet#notifyAll()
 
Methods inherited from class org.springframework.web.servlet.FrameworkServlet
org.springframework.web.servlet.FrameworkServlet#destroy(), org.springframework.web.servlet.FrameworkServlet#refresh(), org.springframework.web.servlet.FrameworkServlet#getNamespace(), org.springframework.web.servlet.FrameworkServlet#setNamespace(java.lang.String), org.springframework.web.servlet.FrameworkServlet#getContextAttribute(), org.springframework.web.servlet.FrameworkServlet#getWebApplicationContext(), org.springframework.web.servlet.FrameworkServlet#onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent), org.springframework.web.servlet.FrameworkServlet#setContextAttribute(java.lang.String), org.springframework.web.servlet.FrameworkServlet#setContextClass(java.lang.Class), org.springframework.web.servlet.FrameworkServlet#getContextClass(), org.springframework.web.servlet.FrameworkServlet#setContextId(java.lang.String), org.springframework.web.servlet.FrameworkServlet#getContextId(), org.springframework.web.servlet.FrameworkServlet#setContextInitializerClasses(java.lang.String), org.springframework.web.servlet.FrameworkServlet#setContextInitializers([Lorg.springframework.context.ApplicationContextInitializer;), org.springframework.web.servlet.FrameworkServlet#setContextConfigLocation(java.lang.String), org.springframework.web.servlet.FrameworkServlet#getContextConfigLocation(), org.springframework.web.servlet.FrameworkServlet#setPublishContext(boolean), org.springframework.web.servlet.FrameworkServlet#setPublishEvents(boolean), org.springframework.web.servlet.FrameworkServlet#setThreadContextInheritable(boolean), org.springframework.web.servlet.FrameworkServlet#setDispatchOptionsRequest(boolean), org.springframework.web.servlet.FrameworkServlet#setDispatchTraceRequest(boolean), org.springframework.web.servlet.FrameworkServlet#getServletContextAttributeName(), org.springframework.web.servlet.FrameworkServlet#init(), org.springframework.web.servlet.FrameworkServlet#setEnvironment(org.springframework.core.env.Environment), org.springframework.web.servlet.FrameworkServlet#getServletContext(), org.springframework.web.servlet.FrameworkServlet#getServletName(), org.springframework.web.servlet.FrameworkServlet#service(javax.servlet.ServletRequest, javax.servlet.ServletResponse), org.springframework.web.servlet.FrameworkServlet#log(java.lang.String, java.lang.Throwable), org.springframework.web.servlet.FrameworkServlet#log(java.lang.String), org.springframework.web.servlet.FrameworkServlet#init(javax.servlet.ServletConfig), org.springframework.web.servlet.FrameworkServlet#getServletConfig(), org.springframework.web.servlet.FrameworkServlet#getServletInfo(), org.springframework.web.servlet.FrameworkServlet#getInitParameter(java.lang.String), org.springframework.web.servlet.FrameworkServlet#getInitParameterNames(), org.springframework.web.servlet.FrameworkServlet#wait(), org.springframework.web.servlet.FrameworkServlet#wait(long), org.springframework.web.servlet.FrameworkServlet#wait(long, int), org.springframework.web.servlet.FrameworkServlet#equals(java.lang.Object), org.springframework.web.servlet.FrameworkServlet#toString(), org.springframework.web.servlet.FrameworkServlet#hashCode(), org.springframework.web.servlet.FrameworkServlet#getClass(), org.springframework.web.servlet.FrameworkServlet#notify(), org.springframework.web.servlet.FrameworkServlet#notifyAll()
 

Field Detail

interceptors

protected org.springframework.web.servlet.HandlerInterceptor[] interceptors

layoutViewResolver

protected org.springframework.web.servlet.ViewResolver layoutViewResolver

multipartResolver

protected org.springframework.web.multipart.MultipartResolver multipartResolver

 
Constructor Detail

GrailsDispatcherServlet

public GrailsDispatcherServlet()
Constructor.

 
Method Detail

checkMultipart

@Override
protected javax.servlet.http.HttpServletRequest checkMultipart(javax.servlet.http.HttpServletRequest request)
Convert the request into a multipart request. If no multipart resolver is set, simply use the existing request.
Parameters:
request - current HTTP request
Returns:
the processed request (multipart wrapper if necessary)

copyParamsFromPreviousRequest

@SuppressWarnings({ "unchecked", "rawtypes" })
protected void copyParamsFromPreviousRequest(org.springframework.web.context.request.RequestAttributes previousRequestAttributes, GrailsWebRequest requestAttributes)

createWebApplicationContext

@Override
protected org.springframework.web.context.WebApplicationContext createWebApplicationContext(org.springframework.web.context.WebApplicationContext parent)

destroy

@Override
public void destroy()

doDispatch

@Override
protected void doDispatch(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

establishInterceptors

protected org.springframework.web.servlet.HandlerInterceptor[] establishInterceptors(org.springframework.web.context.WebApplicationContext webContext)
Evalutes the given WebApplicationContext for all HandlerInterceptor and WebRequestInterceptor instances
Parameters:
webContext - The WebApplicationContext
Returns:
An array of HandlerInterceptor instances

getHandler

@Override
public org.springframework.web.servlet.HandlerExecutionChain getHandler(javax.servlet.http.HttpServletRequest request)

initFrameworkServlet

@Override
protected void initFrameworkServlet()

initStrategies

@Override
protected void initStrategies(org.springframework.context.ApplicationContext context)

setApplication

public void setApplication(GrailsApplication application)
Dependency injection for the application.
Parameters:
application - the application

triggerAfterCompletion

protected void triggerAfterCompletion(org.springframework.web.servlet.HandlerExecutionChain mappedHandler, int interceptorIndex, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.Exception ex)
Trigger afterCompletion callbacks on the mapped HandlerInterceptors. Will just invoke afterCompletion for all interceptors whose preHandle invocation has successfully completed and returned true.
Parameters:
mappedHandler - the mapped HandlerExecutionChain
interceptorIndex - index of last interceptor that successfully completed
ex - Exception thrown on handler execution, or null if none
See Also:
org.springframework.web.servlet.HandlerInterceptor#afterCompletion

useWrappedOrOriginalResponse

protected javax.servlet.http.HttpServletResponse useWrappedOrOriginalResponse(javax.servlet.http.HttpServletResponse response)

 

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