《JavaServer Faces in Action》学习笔记

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p4）
典型的RAD（Rapid Application Development）工具有四个层次：
1.关键的组件体系（An underlying component architecture）
2.一套标准的窗体（A set of standard widgets）
3.应用体系架构（An application infrastructure）
4.工具本身（The tool itself）

p5)
JavaServer Faces was developed specifically to fill in the hole that the lack of a standard Java RAD web framework。
In terms of the four layers of a RAD tool, JavaServer Faces defines three of them: a component architecture, a standard set of UI widgets, and an application infrastructure。
p9)
JavaServer Faces has a specific goal: to make web development faster and easier.It allows developers to think in terms of components, events, backing beans,and their interactions, instead of requests, responses, and markup. In other words, it masks a lot of the complexities of web development so that developers can focus on what they do best—build applications.
p15)
One of the key design goals of JSF was to avoid relying on a particular display technology.So JSF provides pluggable interfaces that allow developers to integrate it with various display technologies.

p20)
Figure 1.6 shows this stack in relation to JSF, Struts, servlets, JSP, and a traditional web server.