oracle.portal.provider.v2.render
Class ManagedRenderer

java.lang.Object
  |
  +--oracle.portal.provider.v2.render.ManagedRenderer

Direct Known Subclasses:

BaseManagedRenderer

public abstract class ManagedRenderer

extends java.lang.Object

A ManagedRenderer is a controller used, in conjunction with RenderManager, to construct a correctly ordered response to a PortletRenderRequest. Such a response must do any protocol specific preparation before rendering the portlet's contents.

Unless rendering for the default page, a ManagedRenderer's response corresponds to a single render mode.

Constructor Summary

ManagedRenderer()

Method Summary

abstract java.lang.String	getContentType() Gets the MIME type to be used as the content type for this renderer's pages.
abstract boolean	prepareResponse(PortletRenderRequest pr) Performs any protocol specific preparation that is needed before the render modes's contents are rendered.
abstract void	renderBody(PortletRenderRequest pr) Performs the steps necessary to render the portlet's contents for this specific PortletRenderRequest.

Methods inherited from class java.lang.Object

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

Constructor Detail

ManagedRenderer

public ManagedRenderer()

Method Detail

getContentType

public abstract java.lang.String getContentType()

Gets the MIME type to be used as the content type for this renderer's pages.

Returns:

MIME type to be used as the content type for this renderer's pages.

prepareResponse

public abstract boolean prepareResponse(PortletRenderRequest pr)
                                 throws PortletException

Performs any protocol specific preparation that is needed before the render modes's contents are rendered.

Parameters:

pr - a PortletRenderRequest

Returns:

boolean flag indicating whether or not to render the portlet's contents (e.g. is the cached version still valid)

renderBody

public abstract void renderBody(PortletRenderRequest pr)
                         throws PortletException

Performs the steps necessary to render the portlet's contents for this specific PortletRenderRequest. If this ManagedRenderer is rendering for the default page, this method should be able to render contents for all remaining supported modes.

Parameters:

pr - a PortletRenderRequest