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Getting Started with Grails, Second Edition

by Scott Davis & Jason Rudolph on Feb 06, 2010

About the Author

Scott Davis is the founder of ThirstyHead.com, a training company that specializes in Groovy and Grails training. Scott published one of the first public websites implemented in Grails in 2006 and has been actively working with the technology ever since. Author of the book Groovy Recipes: Greasing the Wheels of Java and two ongoing IBM developerWorks article series (Mastering Grails and in 2009, Practically Groovy), Scott writes extensively about how Groovy and Grails are the future of Java development. Scott teaches public and private classes on Groovy and Grails for start-ups and Fortune 100 companies. He is the co-founder of the Groovy/Grails Experience conference and is a regular presenter on the international technical conference circuit (including QCon, No Fluff Just Stuff, JavaOne, OSCON, and TheServerSide). In 2008, Scott was voted the top Rock Star at JavaOne for his talk "Groovy, the Red Pill: How to blow the mind of a buttoned-down Java developer".

Jason Rudolph is a Partner at Relevance, a leading consultancy and training organization specializing in Ruby, Rails, Groovy, and Grails and integrating them into enterprise environments. Jason has more than a decade of experience in developing software solutions for domestic and international clients of all sizes, including start-ups, Dow 30 companies, and government organizations. Jason speaks frequently at software conferences and user groups, and also he's been known to write about software development from time to time. Jason was an early committer to Grails and contributes regularly to the open source community. More recently, Jason can be found working on Tarantula, Blue Ridge, and other Ruby and Rails projects dedicated to testing and improving code quality. Jason holds a degree in Computer Science from the University of Virginia. He currently lives in Raleigh, NC with his wife (who can take a functional web app and make it actually look good) and his dog (who is hard at work on her upcoming book, Getting Started with Squirrels).

Grails is a Java- and Groovy-based web framework that is built for speed. First-time developers are amazed at how quickly you can get a page-centric MVC web site up and running thanks to the scaffolding and convention over configuration that Grails provides. Advanced web developers are often pleasantly surprised at how easy it is to leverage their existing Spring and Hibernate experience.

"Getting Started with Grails" brings you up to speed on this modern web framework. Companies as varied as LinkedIn, Wired, Tropicana, and Taco Bell are all using Grails. Are you ready to get started as well?

160 pages, 6" x 9", ISBN: 978-0-557-18321-0

Free download

Courtesy of Scott Davis, Jason Rudolph and and InfoQ.com, we're happy to offer a free version for download, to get this knowledge in as many peoples hands as possible.

 

Buy the print version for $22.95

If you enjoyed reading the free download version, please support the author and InfoQ's book series by buying the print version for only $22.95.

Table of Contents

INTRODUCTION

  • Learning by Example
  • The RaceTrack Application

INSTALLING GRAILS

  • Installing a JDK
  • Installing Grails
  • Installing a Database

CREATING A GRAILS APPLICATION

  • Creating the RaceTrack Application
  • The Grails Directory Structure
  • Domain Classes
  • Scaffolding Controllers and Views

VALIDATION

  • Customizing the Field Order
  • Adding Validation
  • Changing Error Messages
  • Creating Custom Validations
  • Testing Validations

RELATIONSHIPS

  • Creating a One-to-Many Relationship
  • Creating a Many-to-Many Relationship
  • Bootstrapping Data

DATABASES

  • GORM
  • DataSource.groovy
  • Switching to an External Database

CONTROLLERS

  • create-controller vs. generate-controller
  • Understanding URLs and Controllers
  • From Request to Controller to View
  • A Quick Look at GSPs
  • Exploring the Rest of the Controller Actions
  • Rendering Views That Don’t Match Action Namesv

GROOVY SERVER PAGES

  • Understanding GSPs
  • Understanding SiteMesh
  • Understanding Partial Templates
  • Understanding Custom TagLibs
  • Customizing the Default Templatesv

AUTHENTICATION

  • Implementing User Authentication
  • Unit Testing Controllers
  • Creating a Password Codec
  • Creating an Authorization TagLib
  • Leveraging the beforeInterceptor
  • Leveraging Filters
  • Security Plugins

PLUGINS AND SERVICES

  • Understanding Plugins
  • Installing the Searchable Plugin
  • Exploring the Searchable Plugin
  • Understanding Services
  • Adding a Search Box
  • Changing the Home Page with UrlMappings
  • Production Deployment Checklist
  • Conclusion
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