Groovy-Grails Training

Course details

Groovy is an object-oriented dynamic programming language developed for Java platform. It can be used for developing web applications, desktop applications and other embedded system software. Since it runs on Java Virtual Machine (JVM) any developers with knowledge of Java can set their hands quickly on Groovy. The code flexibility and simple syntax provided by Groovy has made it a popular choice among developers today. Groovy is supported by the Apache Software Foundation and the Groovy community that is ready to assist you on any related issues.

Courses Outline-Groovy-Grails

Software Neededn Each Student PC

• JDK 1.6r later
• The latest stable releasef Grails
• A powerful IDE that supports Groovy and Grails, such as SpringSource's Groovy/Grails Tool Suiter IntelliJ IDEA
• Related free software and lab files; please contact us for detailed
• specifications

Grails Training Objectives

• Understand Groovy's relationship to Java
• Use the Groovy tools
• Master the fundamentalsf writing Groovy code
• Work with Groovy strings, closures, and collections
• See how conditionals, loops, andther control structures differ in Groovy versus Java andther languages
• Produce and parse JSON and XML data
• Access relational databases from Groovy
• Understand the fundamentalsf Grails and how it integrates with Spring, Hibernate, andther 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

Grails Training Outline

Introduction

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

FLOW CONTROL

• If statements - The truth in Groovy
• Switch statements
• While loops
• For loops
• Exceptions

Grails Project Structure

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

Domain Classes

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

Scaffolding

• Dynamic scaffolding
• Working with the dynamicperations
• Static scaffolding
• Generating controllers
• Generating views

Controllers

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

Groovy Server Pages

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

Adding Ajax Support

• Basicsf Ajax
• Ajax-supporting tags
• Rendering JSON and XML responses

Remote Functions

• Basicsf remote functions
• Use and Advantages

Services and Jobs

• Transactions
• Services and dependency injection
• Java Integration
• ORM integration with Hibernate
• Dependency injection with Spring
• Working with legacy databases

Plugins

• Architecture
• Installing plugins
• Reviewf common plugins