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com.openmarket.Satellite.portlet
Class BasePortlet

java.lang.Object
javax.portlet.GenericPortlet
com.openmarket.Satellite.portlet.BasePortlet

All Implemented Interfaces:

javax.portlet.Portlet, javax.portlet.PortletConfig

Direct Known Subclasses:

Satellite

public abstract class BasePortlet

extends javax.portlet.GenericPortlet

Abstract implementation of a portlet class that invokes Satellite Server functionality. Application lifecycle is managed by this portlet's init and destroy methods.

Since:

16-May-2005 11:32:12 AM

Constructor Summary

BasePortlet()

Method Summary

protected abstract com.openmarket.Satellite.Application	constructApp(java.lang.String tempFolder) Return a concrete implementation of a Satellite Server application.
void	destroy() Destroys the portlet.
protected abstract java.lang.String	getContentType() Return the content type to be used for the response if available.
protected com.openmarket.Satellite.portlet.SSRenderParams	getSSRenderParams(javax.portlet.RenderRequest req) Get the SSRenderParams object that holds all request parameters that are sent by Satellite Server to Content Server.
void	init(javax.portlet.PortletConfig config) Initializes the portlet.
void	processAction(javax.portlet.ActionRequest req, javax.portlet.ActionResponse res) It's not possible to override ProcessAction in the satellite portlet.
void	render(javax.portlet.RenderRequest req, javax.portlet.RenderResponse res) Render method is called to render the portlet.
protected void	ssProcessAction(javax.portlet.ActionRequest request, javax.portlet.ActionResponse response) This method is called by BasePortlet.processAction(javax.portlet.ActionRequest, javax.portlet.ActionResponse) and allows for custom logic to occur at the portlet level prior to the execution of the Satellite Server logic.

Methods inherited from class javax.portlet.GenericPortlet

doDispatch, doEdit, doHelp, doView, getInitParameter, getInitParameterNames, getPortletConfig, getPortletContext, getPortletName, getResourceBundle, getTitle, init

Methods inherited from class java.lang.Object

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

Constructor Detail

BasePortlet

public BasePortlet()

Method Detail

constructApp

protected abstract com.openmarket.Satellite.Application constructApp(java.lang.String tempFolder)
                                                              throws com.openmarket.Satellite.ConfigurationException

Return a concrete implementation of a Satellite Server application. This portlet will hold on to the application for its lifecycle.

Parameters:

tempFolder - The temporary folder accessible to this application

Returns:

application instance

Throws:

com.openmarket.Satellite.ConfigurationException - if application construction fails

init

public void init(javax.portlet.PortletConfig config)
          throws javax.portlet.PortletException

Initializes the portlet. Overriding classes must call this method for proper operation with Satellite Server.

Specified by:

init in interface javax.portlet.Portlet

Overrides:

init in class javax.portlet.GenericPortlet

Parameters:

config - input Portlet Config object.

Throws:

javax.portlet.PortletException

destroy

public void destroy()

Destroys the portlet. Overriding classes must call this method for proper operation of Satellite Server.

Specified by:

destroy in interface javax.portlet.Portlet

Overrides:

destroy in class javax.portlet.GenericPortlet

processAction

public final void processAction(javax.portlet.ActionRequest req,
                                javax.portlet.ActionResponse res)

It's not possible to override ProcessAction in the satellite portlet. However, this portlet provides default processing for preference setting. Parameters named according to com.fatwire.satellite.param.preference.NAME with the value VALUE will set a portlet preference of name NAME to the value VALUE.

Specified by:

processAction in interface javax.portlet.Portlet

Overrides:

processAction in class javax.portlet.GenericPortlet

Parameters:

req - the portlet ActionRequest

res - the portlet ActionResponse

See Also:

BasePortlet.ssProcessAction(javax.portlet.ActionRequest, javax.portlet.ActionResponse)

ssProcessAction

protected void ssProcessAction(javax.portlet.ActionRequest request,
                               javax.portlet.ActionResponse response)

This method is called by BasePortlet.processAction(javax.portlet.ActionRequest, javax.portlet.ActionResponse) and allows for custom logic to occur at the portlet level prior to the execution of the Satellite Server logic.

Parameters:

request - ActionRequest

response - ActionResponse

getSSRenderParams

protected final com.openmarket.Satellite.portlet.SSRenderParams getSSRenderParams(javax.portlet.RenderRequest req)

Get the SSRenderParams object that holds all request parameters that are sent by Satellite Server to Content Server. This method can be used, in conjunction with the SSRenderParams.addParameter(java.lang.String, java.lang.String) method in order to set arbitrary parameters such as context parameters, portal user information and other server-specific information into the request object for the use of Content Server when the portlet is rendered.

Parameters:

req - RenderRequest object

Returns:

SSRenderParams object

render

public final void render(javax.portlet.RenderRequest req,
                         javax.portlet.RenderResponse res)
                  throws javax.portlet.PortletException,
                         java.io.IOException

Render method is called to render the portlet. This implementation sets up the Satellite Server application and dispatches control to super#render for regular operation of the portlet. Overriding classes may not override this specific method, but may override #doView, #doHelp, etc. instead.

Specified by:

render in interface javax.portlet.Portlet

Overrides:

render in class javax.portlet.GenericPortlet

Parameters:

req - render request

res - render response

Throws:

javax.portlet.PortletException

java.io.IOException

getContentType

protected abstract java.lang.String getContentType()

Return the content type to be used for the response if available. Some portlets always know their content type in advance, while others only find out part-way through the execution.

Returns:

content type or null

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