J2EE Programming Using Rational Application Developer (RAD) v6 Training

Introduction Course Outline

Topics
	The core J2EE 1.4 specifications - Servlet, JSP and EJB Developing a business logic layer using EJB Developing a presentation layer using Servlet and JSP Mastering the Rational Application Developer (RAD) tool

What you will learn
	After completing this course, the student should be able to: Develop web based applications using Servlet and JSP Develop business logic layer using EJB Be productive developers in the Rational Application Developer (RAD) environment Deploy application code inside WebSphere Application Server v6

Audience
	This course is designed for Java programmers and web application designers who have interest in learning how to build or maintain enterprise applications based on the J2EE architecture using IBM's WebSphere tools.

Prerequisites
	Intermediate level Java programming knowledge.

Duration
	5 days.

Lab Setup Guide

Outline for J2EE Programming Using Rational Application Developer (RAD) v6 Training

1. Introduction to Rational Application Developer
	Objectives The WebSphere Family Eclipse Platform The WebSphere Studio Product Family Rational Web Developer Rational Application Developer Key Features in RAD v6.0 WebSphere Studio Application Developer Integration Edition WebSphere Studio Enterprise Developer Views, Perspective, and Editor Areas Basic Operations with RAD Views and Perspectives The Java Perspective The Debug Perspective Navigator View Package Explorer Outline View Task and Problems View Build and Validation Import and Export Project Templates and Code Completion Searching Setup Compiler Class Path JRE Switching Refactoring Changing Class Name Changing Method Name Changing Variable Name Moving a Class to a Different Package Extracting Code to a Method Pull-up Method Migrating Workspace from WSAD v5.x Project Interchange Feature Migrating J2EE Applications J2EE Migration Wizard Summary

2. Introduction to J2EE and the WebSphere Platform
	Objectives Java Web Applications Java Web Application Architecture J2EE Architecture J2EE Software Packaging J2EE Module Structure Enterprise Archive (EAR) Web Modules and WAR EJB Modules Web Application Programming Model MVC An MVC Example The Infrastructure for Enterprise Web Applications The IBM WebSphere Platform Rational Application Developer (RAD) Background of RAD WebSphere Application Server What s New in WebSphere Application Server v6.0 WebSphere Editions Services Provided by WebSphere Application Server WebSphere Application Server Architecture WebSphere Administrative Topology WebSphere Application Server Components Server Profile WAS Administration Tools Administration Changes from v5 RAD J2EE Development RAD Project Structure Summary

3. J2EE Programming Tools
	Objectives Project Explorer Servers View The J2EE Perspective The Web Perspective Create an Enterprise Application Setup Utility JAR Create an EJB Project Create a Web Project Setup Dependent JAR Files Create Server Instance and Server Configuration Configure Server Instance Add an Enterprise Application Project to the Test Server Start and Stop the Server Test a Servlet Debug a servlet Test a JSP Debug a JSP Summary

4. Servlet Basics
	Objectives History CGI Server Extension APIs Java Servlet Servlet Container Servlet Responsibilities J2EE and Servlet The Servlet Class The HttpServlet Class An Example Hello World The Servlet Container The Servlet API Life Cycle Initialization Life Cycle Initialization Example Initialization Life Cycle Processing Life Cycle Processing Life Cycle Destroy User Input Example User Input Output to Client Servlet Error Handling Threading Issues Create a Servlet in RAD Code Servlet Methods The Web Deployment Descriptor Test the Servlet Debug Servlets in the WebSphere Test Environment

5. JavaServer Page (JSP) Basics
	Objectives JavaServer Pages A Simple Example - Hello.jsp JSP Benefits Evolution of Dynamic Content Technologies How JSP Works JSP Invocation JSP Scripting Elements The XML Syntax JSP Directive page Directive Attributes page Directive an Example page Attribute errorPage page Attribute isErrorPage Using XML Syntax Directives include Include an Example Include an Example Include at compile time vs. at request time Request time inclusion JSP Declarations Declarations an Example JSP Expressions JSP Expressions an Example JSP Scriptlets JSP Scriptlets an Example JSP Scriptlets an Example JSP Comments JSP Predefined Variables The request Object The response Object The out Object Out an Example Creating a JSP with RAD Editing a JSP with RAD Testing a JSP with WSAD Debugging a JSP with RAD

6. Servlet Interaction Interface
	Objectives Request Request Parameters Request Attributes Request Headers Request Path Other Request Information Response Cookies Setting Cookies Servlet Context Servlet Context Attributes Resource Session Tracking Tracking Techniques Cookies Cookies an Example HTML Hidden Fields Using HttpSession Session Invalidation An Example of Session Tracking Code... An Example of Session Tracking Code An Example of Session Tracking Code An Example of Session Tracking Code An Example of Session Tracking Code An Example of Session Tracking Code An Example of Session Tracking Code HttpSession - URL Rewriting Summary

7. Servlet Programming Advanced
	Objectives Key Issues for Web Application Development Productivity Web Application Programming Model MVC Model View Controller What is JDBC? JDBC Architecture JDBC: Basic Steps Loading a Driver DB2 UDB JDBC Drivers Oracle JDBC Drivers Create a Connection Connection Statement PreparedStatement ResultSet ResultSet ResultSet Example JDBC Servlet With Transactions Close the Connection Need for Connection Pooling Connection Pooling in JDBC 2.0 Connection Pooling Basic Steps in Using JDBC Connection Pooling Access a DataSource Get a Connection Release Connections Connection Pool Example Resource References JavaBeans MVC Implementation Request Dispatching Request Dispatching - Forward vs. Include HTTP Redirection Dispatch vs. redirection Integrating Servlet and JSP Calling a JSP from a Servlet Request Dispatching - forward Request to JSP Supply Result information to the JSP A Simple Example Display JavaBean Properties in JSP Creating a Data Source with RAD Adding Resource Reference in RAD Create a Java Bean with RAD Add Attributes and Getters and Setters with RAD

8. Using Java Beans with JSP
	Objectives What is a JavaBean? Structure of a JavaBean Life Cycle Properties Very Simple Bean Using Java Beans in JSP The <jsp:useBean> tag Java Bean scope <jsp:useBean> in Action The <jsp:getProperty> tag The <jsp:setProperty> tag Mapping all the request parameters Another Example Mixing Scriptlets and Bean tags

9. JSP Expression Language and Standard Tag Library
	JSP Expression Language (EL) Basic Usage Built-in Objects Working With Arrays and Maps Operators Full Example JSP Standard Tag Library (JSTL) Run Time Version Basic Tags Condition Tags Interator Tags Internationalization (I18N) Setting Preferred Locale Specifying Resource Bundle Display Translated Text Display Number Display Date JDBC Tags Specify Data Source Performing a Query Display Result Pagination Example

10. Enterprise JavaBean (EJB) Overview
	Objectives Needs for EJB Distributed Computing Distributed Transaction Distributed Security What are EJBs? Main Characteristics of EJBs EJB Remote Method Call EJB Architecture Components EJB Client EJB JAR File EJB Server EJB Container EJB Container - Persistence EJB Container - Transaction Enterprise Java Beans Session Beans Entity Beans EJB Classes and Interfaces Basic Components of Entity and Session Beans EJB Home Interface An EJB Home Interface Example EJBHome Object EJB Remote Interface Remote Interface Example EJB Local Home Interface EJB Local Interface Remote EJB Objects Local EJB Objects EJB Implementation Class Remote v. Local EJBs EJB Application Development Deploying Enterprise Beans Major Components of Deployed EJBs Summary

11. Session Bean
	Objectives Session Beans Stateless Session Bean Stateful Session Bean Components of Session Beans Home Interfaces Remote interface Local interface The Session Bean Class ejbCreate() Method Business Methods A Simple Stateless Session Bean Example A Simple Stateful Session Bean Example Session Context EJB Context EJB Context Session Bean Lifecycle Lifecycle - Stateless Lifecycle - Stateful Lifecycle Stateful Lifecycle - Stateful Concurrency Issues Invoking Session Beans from client Application Looking Up a Home Object Create an EJB Object Calling business methods IBM RAD for EJB Development Developing a Session Bean using RAD EJB Project in RAD Create an EJB project Examine the EJB project Create a Session Bean Code methods Promote methods to interfaces Deploying EJBs EJB Deployment Descriptor EJB Deployment Descriptor EJB Deployment Descriptor EJB Deployment Descriptor Generating Deployed Code Run on server JNDI Explorer Test the home interface Test the component interface Exporting EJB JAR EJB JAR File Structure

12. Entity Bean
	Objectives Entity Beans Persistence Entity Bean Components Container Container Container Primary Key Class A Primary Key Class Example (Remote) Home Interface (Remote) Home Interface (Remote) Home Interface Local Home Interface Remote Interface Local Interface Entity Bean Class Entity Instance Entity Object Lifecycle Bean Instance Lifecycle Bean Instance Lifecycle Bean Instance Lifecycle Bean Managed Persistence Container Managed Persistence Writing BMP Bean Writing BMP Bean Writing BMP Bean Writing BMP Bean A BMP Bean Example A BMP Bean Example A BMP Bean Example Writing a CMP Bean Indicating Persistent Fields Writing a CMP Bean Writing a CMP Bean Example Bean Class Deployment Descriptor Settings Writing finder methods EJB Query Language EJBQL: Simple examples EJBQL: SELECT clause EJBQL: SELECT clause EJBQL: FROM clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: Watch out! Using EJBQL in a CMP bean Business Methods EntityContext Writing CMP Beans Defining and Mapping CMP Fields Developing Entity Beans in RAD Adding a CMP Entity EJB Adding a CMP Entity EJB Adding a CMP Entity EJB EJB Deployment Descriptor Adding a CMP Entity EJB Add an EJBQL query Add an EJBQL query Add an EJBQL query Add an EJBQL query Import Database Schema Creating a database mapping Choosing a backend Choosing a mapping type Specifying the mapping EJB Relationships EJB 2.0 Relationships WebSphere Extensions

13. Best Practices
	Objectives Remove Stateful Session Beans Identify Read-Only Methods Reduce the Transaction Isolation Level where possible Access Entity Beans from Session Bean Reuse EJB Homes Avoid two-phase commit if possible Avoid transactions for non-transactional methods Avoid Stateful Session EJBs CMP Pooling Use Access Beans Types of Access Beans Access Bean Constructor Generating Access Beans Access Bean Examples Do not store large Object Graphs in HttpSession Release HTTP Sessions Use JDBC Connection Pooling Release JDBC Resources Turn off reloading of web applications Make upstream queues progressively smaller Avoid String Concatenations Minimize Synchronization Container managed timer service Annotations Based Development

14. J2EE Application Deployment
	Overview Application Deployment Descriptor Deployment Descriptors Bean Developer Entries Application Assembler Entries Separate Client Side Code (Optional) Generate Deployed Code Export EAR Export EJB JAR EJB JAR File Export Client JAR J2EE Deployment Administrative Console Environment Variables Security Resources Queue Connection Factory Queue Destinations Installing Applications Server Options Starting an Application Summary

15. EJB Design Patterns
	EJB Design Patterns Types of EJB patterns Session Fa ade Pattern Session Fa ade Session Fa ade Session Fa ade Session Facade Session fa ade pattern shortcomings Message Fa ade Pattern Message Fa ade Message Fa ade Message Fa ade Message fa ade pattern shortcomings EJB Command pattern EJB Command EJB Command pattern shortcomings Generic Attribute Access pattern Generic Attribute Access Data Transfer Object (DTO) Data Transfer Rowset Version Number pattern Version Number Pattern Fast Lane Pattern Data Access Command Beans EJBHomeFactory Business Delegate Sequence Blocks Stored Procedures for Autogenerated Keys Summary

16. Using RAD for large J2EE projects
	Overview Designing the Layout of a J2EE Project Project Dependency Designing the Layout of a J2EE Project WAR project Designing the Layout of a J2EE Project EJB project Designing the Layout of a J2EE Project Java project Designing the Layout of a J2EE Project Reference Utility Java Projects Referencing Utility JAR Files An Alternate Approach Class Loading Policy In J2EE How to Configure the Class Loading Policy in the Server Memory Optimization Setting JVM Heap Size Memory Optimization GUI Optimization Build Optimization Overview Close Unnecessary Projects Referencing Remote JAR Files Referencing Remote JAR Files Some Techniques Referencing Remote JAR Files Some Techniques Exporting RAD properties Remote Debugging Updating RAD Automatic Update Manager Summary

Appendix A. Message-Driven Beans
	Objectives The Trouble with RMI/IIOP Messaging to the Rescue Messaging Features Message-Oriented Middleware Messaging Domains Publish/Subscribe Point-to-Point Java Message Service JMS Programming: Overview JMS Programming: Overview The JMS Interfaces JMS Programming: Example JMS Programming: Example JMS Programming: Example Integrating JMS and EJB Message-Driven Beans Are Different From Other EJBs Message-Driven Beans Cannot Talk to Their Clients Message-Driven Beans are Stateless Durable Subscription Message-Driven Bean Interfaces javax.ejb.MessageDrivenBean javax.jms.MessageListener javax.jms.Message Lifecycle Example: Message Counter Class MessageCounter Class MessageCounter Class MessageCounter Working With Messages Processing the Message Deployment Descriptor Entry Binding the Queue or Topic Transactions Security Load Balancing Clustering and Topics Clustering and Queues A Few Tips Poison Messages How the Programmer Can Avoid Poison Messages How the System Administrator Can Avoid Poison Messages Building a Response Potential Problems A Simple Alternative Type Checking and Messages Testing Message-Driven Beans Summary References

Appendix B. Custom Tag Libraries
	Introduction Tag Attributes Tag Body Tag Library Descriptor Tag Library Descriptor Details carPrice.tld The Java Server Page Writing a Simple Tag Handler Class Tag Handler Life Cycle Rendering Content Implementing Empty Body Tag Example: CarPriceHandler CarPriceHandler carPrice.jsp Implementing a Tag With Unprocessed Body Handling Tag Bodies Implementing Body Processing Example: Body Tag Support Implementing an Iteration Tag Nested Tags Summary

Appendix C. Java Messaging Service
	Introduction Messaging Models Components of Point-to-Point Messaging Components of Point-to-Point Messaging (cont.) Implementing a Sender Example Sender Servlet Example Sender Servlet (cont.) Example Sender Stateless Session EJB Example Sender Stateless Session EJB (cont.) Listener Types Listener Design Decisions Implementing a JMS Receiver Implementing a Receiver (cont.) Example: Synchronous Receipt Components of a Pub-Sub Model Components of a Pub-Sub Model (cont.) Example Topic Publisher JMS Programming in RAD Configuring MQ Simulator and Embedded Messaging Configuring WebSphere MQ Configuring WebSphere MQ (cont.)

Topics

What you will learn

Audience

Prerequisites

Duration

Outline for J2EE Programming Using Rational Application Developer (RAD) v6 Training

1. Introduction to Rational Application Developer

2. Introduction to J2EE and the WebSphere Platform

3. J2EE Programming Tools

4. Servlet Basics

5. JavaServer Page (JSP) Basics

6. Servlet Interaction Interface

7. Servlet Programming Advanced

8. Using Java Beans with JSP

9. JSP Expression Language and Standard Tag Library

10. Enterprise JavaBean (EJB) Overview

11. Session Bean

12. Entity Bean

13. Best Practices

14. J2EE Application Deployment

15. EJB Design Patterns

16. Using RAD for large J2EE projects

Appendix A. Message-Driven Beans

Appendix B. Custom Tag Libraries

Appendix C. Java Messaging Service