Basic HTML version of Foils prepared November 5 98

Foil 24 Servlet: What it does?

From WebWisdomNT Curricula Database and Management System NPAC Tutorial on Tango/WebWisdomNT, Visit to ASC -- October 26 98, October 29 98. by Marek Podgorny,Chris Walczak, Jarek Rykowski,Geoffrey C. Fox
User accesses the HTTP server from HTML browser, providing in URL:
  • (1) locator of the servlet; (2) locator of a TDL template; (3) user data
The HTTP server passes call to servlet defined by (1).
Based on template locator (2), servlet reads template from an HTTP server
  • Servlet interprets contents of the template tag by tag, meanwhile contacting local database management system and other HTTP servers for data needed to complete the operation
  • The data is formatted according to the template and the parameters, and send back to user as a standard HTML file.

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Page produced by wwwfoil on Sat Nov 28 1998