Web applications are an important part of the Java Enterprise Edition (Java EE) platform because the Web components are responsible for key client-facing presentation and business logic. A poorly designed web application will ruin the best business-tier components and services. In this chapter, we review key web application concepts and technologies and their use in WebLogic Server, and we provide a number of recommendations and best practices related to web application design and construction in WebLogic Server.
This chapter also provides the foundation for the discussion of recommended web application architectures in Chapter 2 and the construction and deployment of a complex, realistic web application in Chapters 3, 4, and 5.
In this section we review some key concepts related to Java servlets and JavaServer Pages. If you are unfamiliar with these technologies, or if you need additional background material, you should read one of the many fine books available on the subject. Suggestions include Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam by Bryan Basham et. al. (O'Reilly & Associates, 2008), Java Servlet Programming Bible by Suresh Rajagopalan et. al. (John Wiley & Sons, 2002), and Java Servlet Programming by Jason Hunter (O'Reilly & Associates, 2001).
Java servlets are fundamental Java EE platform components that provide a request/response ...