Beginning Groovy, Grails and Griffon by Layka, Vishal -- Read -- Imperial Library of Trantor

Index

Cover Title Copyright Contents at a Glance Contents About the Authors About the Technical Reviewer Acknowledgments Chapter 1: Introduction to Groovy

Installation Groovy by Example

Converting Java to Groovy Converting a JavaBean to a GroovyBean Simplifying the Code Using Groovy Collection Notation and Closure Getting Rid of main()

Groovy Language Key Features

Assertion Annotations for AST Transformation Builder Closure GDK Metaprogramming Native Support for Lists and Maps Native Support for Regular Expression Object Orientation: Everything is an Object in Groovy String interpolation Static and Dynamic Typing Static Type Checking Static Compilation Optional Syntax

Summary

Chapter 2: Groovy Basics

Scripts

Using Script Functions Compiling Groovy Running Groovy

Assertions

Power Asserts

Strings

GStrings Single Line Strings Multiline Strings Slashy Strings Multiline Slashy Strings Dollar Slashy Strings

Regular Expressions

Groovy Regular Expression Operators Common Uses of Regular Expressions

Collective Datatypes

Arrays Lists Maps Ranges Sets

Control Structure

Groovy Truth Logical Branching Looping Exception Handling

Methods Closures

Implicit Variables Explicit Declaration of Closure Reusing the Method as a Closure Closures and Collection Closures as Map Keys and Values Currying Closure Closure Trampoline Closure Memoization

Operators

Operator Overloading Specialized Operators

Summary

Chapter 3: More Advanced Groovy

Object Orientation in Groovy

Classes and Scripts Groovy Constructors Inheritance Polymorphism

Groovy Unit Testing Working with XML

Writing XML with Java Groovy Builders Writing XML with Groovy MarkupBuilder Reading XML with XmlSlurper

Native JSON support

Reading JSON JsonBuilder Prettyprinting JSON Content

Generating Text with Templates Runtime Metaprogramming

Metaobject Protocol Metaclass Using invokeMethod() and get/setProperty() Using methodMissing() Expandos ExpandoMetaClass Categories Runtime Mixins

Compile-time Metaprogramming

AST Transformations Built-in AST Transformations

Domain-Specific Languages Summary

Chapter 4: Introduction to Grails

What Is Grails?

Grails Features Integrated Open Source

Grails Architecture Installing Grails Collab-Todo Application

Creating Collab-Todo application Running the Application Creating the Controller Testing the Controller

Scaffolding

Creating a Domain Class Dynamic Scaffolding Static Scaffolding Creating Domain Relationships

H2 Console Grails Plugins Grails Interactive Mode Summary

Chapter 5: Building the User Interface

Starting with the End in Mind

Creating the Footer Creating the Topbar Adding More Look and Feel Grails Tags Static Resources

Making the Topbar Functional

The Login View The login Action Handling the Login and Logout Actions

Externalizing Strings Errors and Validation Flash and Flash Messages Creating an Audit Log Using Action Interceptors Using Filters Summary

Chapter 6: Building Domains and Services

GORM Collab-Todo’s Domain Creating Domain Objects

Basic Domain Creation Creating Relationships

Overwriting Default Settings

Adjusting the Mappings

Validation

Constraints Calling the Validator Validation Messages

Querying the Database

GORM’s CRUD Support Creating Queries

Services

Creating a Service Calling the Service Injecting into the Service Initializing the Service Setting a Bean to Be Transactional Service Context Available in the Service

Summary

Chapter 7: Security in Grails

What Is Security?

Authentication Access Control

An Overview of Grails Security Solutions Custom Security Implementation Registering a User

Logging In and Out Securing the Controllers

CAS

CAS Installation CAS Configuration CAS Usage

Spring Security

Security Domain Classes Securing URLs SecurityTagLib

Summary

Chapter 8: Web 2.0—Ajax and Friends

Advanced Presentation Components

Adding RichText Capabilities Adding Search Capabilities Allowing File Uploads

Tag Libraries

Creating the Tag Library Referencing the Tag Library

Ajax in Grails

Using Ajax Frameworks in Grails Dynamic Rendering of Data

RSS Feeds Summary

Chapter 9: Web Services

RESTful Web Services RESTful in Grails

URL Mappings Content Negotiation RestController

Summary

Chapter 10: Reporting

The Report Reporting Tools

Overview Installing JasperReports and iReports

Creating the Todo Report

Defining the Data Source Using iReports Enhancing the Report Compiling the Report

The Report Tag

Tag Library Overview Creating the Tag

The ReportController and the ReportService Tying It All Together

Gathering the Report Data Adding the Report Tag to the Application

The Report List An Alternate Approach Summary

Chapter 11: Batch Processing

Installing the Quartz Plugin Creating a Job Building a Batch-Reporting Facility

Creating a Nightly Reporting Job Retrieving the User’s Todos Invoking the Report Service Invoking the E-Mail Service

Summary

Chapter 12: Deploying and Upgrading Grails Applications

Deploying Grails Applications

Using Environments Understanding Grails Configurations Packaging the Application for Deployment Deploying to an Application Server

Upgrading Grails Applications

Configuration Changes Command Line Changes H2 jQuery Controller Public Methods Unit Test Framework

Summary

Chapter 13: Introduction to Griffon

Installing Griffon Creating Your First Application Directory Structure Griffon Application Life Cycle

Initialization Startup Ready Shutdown Stop

Views

Builder Overview Griffon View Special Nodes

Models and Bindings Controllers

Injected Properties Injected Methods Initialization and Destruction Hook Actions

Summary

Index

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