Web Application Development with Groovy and Grails Training

Course #:TP2146

Web Application Development with Groovy and Grails Training

Introduction to Web Application Development with Groovy and Grails training teaches Java developers the basics of Groovy and how to use the Grails framework to rapidly create sophisticated web applications.

Objectives

  • Understand Groovy's relationship to Java
  • Use the Groovy tools
  • Master the fundamentals of writing Groovy code
  • Work with Groovy strings, closures, and collections
  • See how conditionals, loops, and other control structures differ in Groovy versus Java and other languages
  • Produce and parse JSON and XML data
  • Access relational databases from Groovy
  • Understand the fundamentals of Grails and how it integrates with Spring, Hibernate, and other frameworks
  • Use domain classes and understand domain class relationships
  • Understand MVC architecture and best practices for implementing it in Grails applications
  • Build Groovy Server Pages
  • Write and use Grails services
  • Deploy a Grails application

Prerequisites

All attendees should be familiar with web development in Java, including servlets, JSPs, and database access.

Duration

4 Days

Outline of Web Application Development with Groovy and Grails Training

1. Introduction

2. Groovy Fundamentals

  • Differences between Groovy and Java
  • Declaring classes
  • Using assertions
  • Groovy Strings
  • Closures
  • Lists and Maps
  • Expandos
  • Ranges
  • Lists, Maps, and Sets
  • Builders
  • Metaprogramming

3. Grails Project Structure

  • Overview of a Grails project
  • Directories for model classes, controllers, and views
  • Data source configuration
  • Logging
  • Command line utilities
  • IDE integration

4. Domain Classes

  • Object-Relational Mapping with GORM
  • Optional properties
  • Constraints and validation
  • Modeling relationships
  • Performing CRUD operations
  • Dynamic queries
  • Connection to Hibernate

5. Scaffolding

  • Dynamic scaffolding
  • Working with the dynamic operations
  • Static scaffolding
  • Generating controllers
  • Generating views

6. Controllers

  • Setting the default action
  • Accessing request attributes
  • Flash scope
  • Data binding and type conversion
  • Rendering a response
  • Redirects and returns

7. Groovy Server Pages

  • Built-in Grails tags
  • Dynamic tags
  • Layouts and templates
  • Pagination
  • Creating custom tags

8. Adding Ajax Support

  • Basics of Ajax
  • Ajax-supporting tags
  • Rendering JSON and XML responses

9. Services and Jobs

  • Transactions
  • Services and dependency injection

10. Java Integration

  • ORM integration with Hibernate
  • Dependency injection with Spring
  • Working with legacy databases

11. Plugins

  • Architecture
  • Installing plugins
  • Review of common plugins

12. Conclusion