Logical View
The class diagram in Figure D-3 shows the principal participants in this mechanism. The user screen represents any Web page rendered on the client. Each screen could be assembled from the output of many Web server “pages,” or JSPs. Each page component may contain dynamic content and so may interact with the application server or middle-tier components of the application. The Web server is the main controller for this mechanism and the single point of entry for page requests. The Web server is most likely a commodity component, such as Tomcat, WebSphere, Web Logic, and IIS.
Figure D-3. Main analysis class diagram
The screen template ...
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