Download Core JavaServer faces by David Geary, Cay S. Horstmann PDF

By David Geary, Cay S. Horstmann

JavaServer Faces (JSF) is the traditional Java EE expertise for construction net consumer interfaces. It offers a strong framework for constructing server-side functions, permitting you to cleanly separate visible presentation and alertness good judgment. JSF 2.0 is a massive improve, which not just provides many helpful positive aspects but in addition significantly simplifies the programming version by utilizing annotations and “convention over configuration” for universal tasks.

 

To assist you speedy faucet into the ability of JSF 2.0, the 3rd version of Core JavaServer™ Faces has been thoroughly up-to-date to make optimal use of the entire new gains. The booklet includes

  • Three completely new chapters on utilizing Facelets tags for templating, construction composite parts, and constructing Ajax applications
  • Guidance on construction strong functions with minimum hand coding and greatest productivity–without requiring any wisdom of servlets or different low-level “plumbing”
  • A whole rationalization of the fundamental construction blocks–from utilizing usual JSF tags, to operating with info tables, and changing and validating input
  • Coverage of complicated initiatives, similar to occasion dealing with, extending the JSF framework, and connecting to exterior services
  • Solutions to various universal demanding situations, together with notes on debugging and troubleshooting, as well as implementation info and dealing code for positive aspects which are lacking from JSF
  • Proven strategies, tricks, assistance, and “how-tos” make it easier to use JSF successfully on your improvement projects

Core JavaServer™ Faces, 3rd Edition, presents every little thing you want to grasp the strong and time-saving good points of JSF 2.0 and is the correct advisor for programmers constructing Java EE 6 net apps on Glassfish or one other Java EE 6-compliant software servers, in addition to servlet runners reminiscent of Tomcat 6.

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Faces), as well as the form data. NOTE: The URL for the POST request is the same as that of the request that renders the form. Navigation to a new page occurs after the form has been submitted. The form data is a string of ID/value pairs, such as id1=me&id2=secret&id3=Login As part of the normal servlet processing, the form data is placed in a hash table that all components can access. Next, the JSF framework gives each component a chance to inspect that hash table, a process called decoding. Each component decides on its own how to interpret the form data.

FacesServlet 1 Sample Application Analysis Listing 1–5 13. 14. 15. 16. faces 17. 18. 19. 20. 21. html The only remarkable aspect of this file is the servlet mapping. All JSF pages are processed by a special servlet that is a part of the JSF implementation code. To ensure that the correct servlet is activated when a JSF page is requested, the JSF URLs have a special format.

You can test this feature by setting the preferred language in your browser (see Figure 2–2). 2. locale}"/>> Now the locale is set to the string that the getLocale method returns. This is useful in applications that let the user pick a preferred locale. 3. You can set the locale programatically. setLocale(new Locale("de")); See “Using Command Links” on page 125 of Chapter 4 for an example. 45 46 Chapter 2 ■ Managed Beans Figure 2–2 Selecting the preferred language A Sample Application After all these rather abstract rules and regulations, it is time for a concrete example.

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