com.arsdigita.cms.dispatcher
Class ContentItemDispatcher

java.lang.Object
  com.arsdigita.cms.dispatcher.ContentItemDispatcher

All Implemented Interfaces:

com.arsdigita.dispatcher.Dispatcher

public class ContentItemDispatcher

extends Object

implements com.arsdigita.dispatcher.Dispatcher

This is the dispatcher for content-sections. It maintains a ContentItem-to-Template cache Code that modifies a published ContentItem's template must update the cache in this class by calling the appropriate cache methods.

Author:

bche@redhat.com

Field Summary

protected ItemXML	m_itemXML
static Map	s_templateResolverCache

Fields inherited from interface com.arsdigita.dispatcher.Dispatcher

versionId

Constructor Summary

ContentItemDispatcher()

Method Summary

static void	cachePut(ContentItem item, Template t) Method cachePut.
static void	cachePut(ContentSection section, ContentType type, Template t) Method cachePut.
static void	cacheRemove(ContentItem item) Method cacheRemove.
void	dispatch(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, com.arsdigita.dispatcher.RequestContext actx)
String	fetchTemplateURL(ContentItem item, javax.servlet.http.HttpServletRequest request, com.arsdigita.dispatcher.RequestContext actx) Fetches the URL of a template for an item.
static ContentItem	getContentItem(javax.servlet.http.HttpServletRequest request) Fetches the content item from the request attributes.
TemplateResolver	getTemplateResolver(ContentSection section) Fetches the TemplateResolver for a content section.

Methods inherited from class java.lang.Object

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

Field Detail

s_templateResolverCache

public static Map s_templateResolverCache

m_itemXML

protected ItemXML m_itemXML

Constructor Detail

ContentItemDispatcher

public ContentItemDispatcher()

Method Detail

dispatch

public void dispatch(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response,
                     com.arsdigita.dispatcher.RequestContext actx)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

dispatch in interface com.arsdigita.dispatcher.Dispatcher

Throws:

IOException

javax.servlet.ServletException

See Also:

(HttpServletRequest, HttpServletResponse, RequestContext)

getContentItem

public static ContentItem getContentItem(javax.servlet.http.HttpServletRequest request)

Fetches the content item from the request attributes.

Parameters:

request - The HTTP request

Returns:

The content item

cacheRemove

public static void cacheRemove(ContentItem item)

Method cacheRemove. Removes the cached template path for the contentItem item

Parameters:

item -

cachePut

public static void cachePut(ContentItem item,
                            Template t)

Method cachePut. Maps the ContentItem item to the template t in the cache

Parameters:

item -

t -

cachePut

public static void cachePut(ContentSection section,
                            ContentType type,
                            Template t)

Method cachePut. Maps all the content items of ContentType type and in ContentSection section that don't have their own templates to the template t in the cache

Parameters:

section -

type -

t -

fetchTemplateURL

public String fetchTemplateURL(ContentItem item,
                               javax.servlet.http.HttpServletRequest request,
                               com.arsdigita.dispatcher.RequestContext actx)

Fetches the URL of a template for an item. The returned URL is relative to the webapp context.

getTemplateResolver

public TemplateResolver getTemplateResolver(ContentSection section)

Fetches the TemplateResolver for a content section. Checks cache first.

Parameters:

section - The content section

Returns:

The TemplateResolver associated with the content section