Chapter 5. Retrieving Information
Topics in this Chapter:
The Request
Receiving parameter information
Receiving header information
Receiving attribute information
Getting information about the server
JSP pages, like most Web application platforms, use HTTP as a transport protocol. To understand how a JSP program changes for different requests, one must understand the Web transaction model, which is built on HTTP. The model itself is very simple, and it applies to many different Web-programming technologies. A good analogy for the Web transaction model is a math function box. Math function boxes are a tool to explain how mathematical functions work. The important thing to understand is that the function box itself never changes. The only reason an ...
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