Java EE: Servlets and JavaServer Pages (JSP)

Introduction

• Welcome
• What you should know
• Using the exercise files

• Understanding the purpose of servlets
• Environment setup: Create a web project
• Environment setup: Deploy and run
• Alternative setups
• Project application setup

• Types of HTTP requests
• Implementing a GET request in a web app
• Search: Setting up a database connection
• Search: Querying the database
• Search: Building a servlet response

• POST request basics
• Register user: Collecting form data and calling DAO
• Register user: Querying database and building response
• Register user: Behind the scenes

• Understanding forwarding
• Understanding redirection
• Using ServletConfig
• Using ServletContext
• Using request/response objects
• Scopes and parameters vs. attributes

• Understanding the servlet life cycle
• Using the servlet life cycle

• Understanding JSP and its features
• JSP elements: Scriptlet, declaration, and expression
• JSP elements: Scriptlet and expression
• JSP elements: Declaration
• Understanding the JSP life cycle
• JSP directives: Page
• JSP directives: Include and taglib
• Understanding implicit objects in JSP

• Understanding the need for session management
• Cookies for session management
• Using cookies
• URL rewriting for session management
• Using URL rewriting
• Consuming session APIs in a web app

• Understanding the need for filters in a web app
• Filters: User validation in a servlet
• Filters: Display error and set up filter class
• Filters: Implement filter logic
• Understanding the need for listeners in a web app
• Using listeners in a web app

• Understanding the advent of standard actions
• JSP standard actions: Querying database
• JSP standard actions: Displaying data
• Expression language
• Using expression language in JSP
• Using implicit objects of expression language

• Need for JSTL and its modules
• Core module: Querying database
• Core module: Displaying data
• FMT module
• Custom tag library
• Custom tag: Define tag handler and TLD
• Custom tag: Use tag on JSP

• Next steps