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Open Source J2EE Development
Duration:   5 Days
Audience Prerequisites

This course is designed for professionals who have at least one year of experience with programming in Java who also have done some J2EE development.

  • Architects
  • Designers
  • Consultants
  • Developers
  • Technical managers

Description
In the Java/J2EE development arena, some of the best known names are open source technologies and tools . This five-day course is devoted to these popular tools and technologies and covers the full spectrum of J2EE development, from data persistence tier to presentation tier.

This course is an intensely hands-on course. More than 60% of the time will be spent on labs.
Objectives

This course aims to teach a set of advanced skills necessary to implement robust, scalable, reusable e-business objects and enterprise applications using the J2EE framework and open source tools. As part of this course, attendees would implement a comprehensive E-Business application that integrates various J2EE components. The application would be built using a multi-tiered architecture. The business tier would be implemented using EJB, and the presentation tier Servlets and JSP. On completion, attendees would be able to:

  • Use Hibernate to write data persistence layer
  • Develop Enterprise JavaBeans (EJB) using JBoss
  • Implement Web tier with Struts
  • Learn to build with Ant
  • Add loggings to your application using Log4J
  • Test with JUnit
  • Build Web Services with Apache Axis
Course Outline

Ant - The Build Tool

  • Overview of Ant
  • Anatomy of an Ant build file
  • Using properties to control tasks
  • Compiling, packaging, and executing Java code
  • Calling other Ant script

Logging with Log4J

  • Overview of Log4J concepts
  • Configuring and using Log4J

Setting Up MySQL and Connector/J

  • Overview of MySQL
  • Overview of Connector/J

Overview of Hibernate

  • Overview of Hibernate architecture
  • Configuring Hibernate
  • Setting up and running your first Hibernate application

O/R Mapping

  • Overview of the mapping file
  • The id element and primary key
  • Id generation methods
  • Composite id
  • Hibernate data types
  • Custom value types
  • Mapping for collections and associations
  • Mapping for rich associations
  • Component mapping
  • Inheritance mapping

Manipulating and Querying Persistent Data

  • Persistent classes
  • Loading an object
  • Find methods
  • The Query interface
  • Performing CRUD operations
  • Criteria Queries
  • Using native SQL query
  • Using lifecycle and interceptor callbacks
  • Transactions and concurrency

The Hibernate Query Language (HQL)

  • The select clause
  • The from clause
  • The where clause
  • Expressions
  • Aggregate functions
  • Sorting, grouping, etc.
  • Subqueries

EJB Development with JBoss

  • Overview of JBoss
  • JBoss-specific EJB deployment descriptors
  • Developing container-managed persistence entity beans with JBoss
  • Deploying EJB to JBoss
  • Administering JBoss Server

Struts Framework Overview

  • What is Struts
  • How does Struts work
  • A Struts example

Struts Action

  • What is an Action
  • Action hierarchy
  • Action configuration
  • Action execution
  • ActionForward
  • Built-in action classes

Action Form

  • What is an ActionForm
  • ActionForm design
  • ActionForm configuration
  • Dynamic action forms

Struts Error and Message Handling

  • Message resource bundle
  • ActionError
  • ActionMessage

Struts Configuration

  • Configuring web.xml for Struts applications
  • Configuring struts-config.xml

Exception Handling

  • Declarative exception handling
  • Programmatic exception handling

Testing Enterprise Applications with JUnit

  • How does JUnit work
  • Writing test cases and test suite
 
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