Introduction to JavaServer Pages

Goals

• Explain the fundamentals of HTML and HTTP in the World Wide Web.
• Describe the CGI and its role in implementing interactive Web applications.
• Describe JavaServer Pages and their relationship to servlets and J2EE generally.
• Describe how a JSP is translated into a servlet and processed at runtime.
• Explain the use of directives on JSPs and outline the principal directives.
• Implement simple JSPs that use Java code in declarations, expressions and scriptlets.
• Enumerate and use the implicit objects available to scripting elements.
• Explain the use of HTML forms in Web applications.
• Implement an interactive Web application using JSP.
• Use Java exception handling and JSP error pages to handle errors in JSP applications.
• Implement session management for a JSP application.
• Manage cookies to store client-specific information at various scopes and durations.
• Explain the use of JavaBeans in JSP and their role in enhancing the separation of business logic from page design.
• Use Beans to implement effective interactive JSP applications.
• Describe the use of the JSP expression language in simplifying dynamic page output.
• Write JSP expressions and implement JSPs that use them in favor of scripts.
• Describe the role of the JSP Standard Tag Library in JSP development.
• Implement JSPs that use basic JSTL actions to simplify presentation logic.
• Describe custom tags in JSP and explain how they are implemented, both using Java and JSP itself, and how they are used.
• Discuss threading issues in JSP and describe the use of directives to control how threading is handled.
• Describe the various uses of XML in JSP applications.
• Deploy a logical Web application to a Web server in a WAR file.

Outline

1. Web Applications
   1. The World Wide Web
   2. HTML
   3. Web Servers
   4. HTTP
   5. Dynamic Web Pages
   6. CGI
   7. Java Web Technologies
   8. Servlets
   9. JSP
2. JSP Architecture
   1. JSP Containers
   2. Servlet Architecture
   3. Page Translation
   4. Types of JSP Content
   5. Directives
   6. Content Type
   7. Buffering
   8. Scripting Elements
   9. JSP Expressions
   10. Standard Actions
   11. Custom Actions and JSTL
   12. Objects and Scopes
   13. Implicit Objects
   14. JSP Lifecycle
3. Scripting Elements
   1. Translation of Template Content
   2. Scriptlets
   3. Expressions
   4. Declarations
   5. Dos and Don’ts
   6. Implicit Objects for Scriptlets
   7. The request Object
   8. The response Object
   9. The out Object
4. Interactive JSP Applications
   1. HTML Forms
   2. Reading CGI Parameters
   3. JSPs and Java Classes
   4. Error Handling
   5. Session Management
   6. The Session API
   7. Cookies and JSP
5. Using JavaBeans
   1. Separating Presentation and Business Logic
   2. JSP Actions
   3. JavaBeans
   4. Working with Properties
   5. <jsp:useBean>
   6. <jsp:getProperty> and <jsp:setProperty>
   7. Using Form Parameters with Beans
   8. Objects and Scopes
   9. Working with Vectors
6. The Expression Language and the JSTL
   1. Going Scriptless
   2. The JSP Expression Language
   3. EL Syntax
   4. Type Coercion
   5. Error Handling
   6. Implicit Objects for EL
   7. The JSP Standard Tag Library
   8. Role of JSTL
   9. The Core Actions
   10. Using Beans with JSTL
   11. The Formatting Actions
   12. Scripts vs. EL/JSTL
7. Advanced JSP Features
   1. Web Components
   2. Forwarding
   3. Inclusion
   4. Passing Parameters
   5. Custom Tag Libraries
   6. Tag Library Architecture
   7. Implementing in Java or JSP
   8. Threads
   9. Strategies for Thread Safety
   10. XML and JSP
   11. JSP for Web Services

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