At the top of Desktop APIs is the Desktop servlet, which routes client requests for content and processing and passes them on to the specific provider object. The Desktop servlet processes the following actions:
Gets the named channel’s main content
Gets the named channel’s edit content
Allows the named channel to process form data
Ends the user’s session
The action is performed on the channel (for the content, edit, and process actions). The following request parameter names are reserved by the portal Desktop.
action
provider
last
containerName
targetprovider
page
error
container
selected
editChannelName
You cannot extend the Desktop Servlet.