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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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