Grails Goodness Notebook
Grails Goodness Notebook
Experience the Grails platform through code snippets
About the Book
In 2009 I started to write about features in Grails I didn't want to forget at my blog Messages from mrhaki. The posts are relatively short and filled with code samples.
The Grails Goodness Notebook contains the blog posts about Grails. The posts are bundled and categorized into sections. Each section starts with the simpler features and ends with more advanced Grails features. The book is intended to browse through the subjects. You should be able to just open the book at a random page and learn more about Grails. Maybe pick it up once in a while and learn a bit more about known and lesser known features of Grails.
The book is updated on February 1st 2016 with the following new posts:
- Run Grails Application As Docker Container
- Enable Hot Reloading For Non-Development Environments
- Change Locale With Request Parameter
- Go To Related Classes In IntelliJ IDEA
- Quickly Create GSP From Controller In IntelliJ IDEA
- Using Spring Cloud Config Server
- Changing Gradle Version
- Getting More Information About A Profile
- Using Features When Creating An Application
The book categorizes the posts in the following sections:
- Configuration
- The Command LIne
- Grails Object Relational Mapping (GORM)
- Validation
- Controllers
- Groovy Server Pages (GSP)
- REST
- The Service Layer
- Grails and Spring
- Internationalization (i18n)
- IDE
- Miscellaneous
About the Author
Table of Contents
- About Me
- Introduction
-
Configuration
- Using Bintray JCenter as Repository
- Add Banner to Grails Application
- Add Banner To Grails 3.1 Application
- Set Log Level for Grails Artifacts
- Add Some Color to Our Logging
- Save Application PID in File
- Saving Server Port In A File
- Log Startup Info
- Changing Gradle Version
- Adding Health Check Indicators
- Add Git Commit Information To Info Endpoint
- Adding Custom Info To Info Endpoint
- Passing System Properties With Gradle
- Update Application With Newer Grails Version
- Access Grails Application in BootStrap
- Using Spring Cloud Config Server
- Multiple BootStraps
- Cleaning Up Before WAR Creation
- Logging Service Method Calls with Dynamic Groovy
- Multiple Environments
- Execute Code for Current Environment
- Use Different External Configuration Files
- Using External Configuration Files Per Environment
- Change Base Name For External Configuration Files
- Using Random Values For Configuration Properties
- Pass Configuration Values Via Environment Variables
- Pass JSON Configuration Via Command Line
- One WAR to Rule Them All
- Customize the URL Format
- Add Additional Web Application to Tomcat
- Use a Different jQuery UI Theme with Resources Plugin
- Use A Different Logging Configuration File
- Add a DailyRollingFileAppender to Grails Logging
- Use Log4j Extras Companion RollingFileAppender
- Use TimeAndSizeRollingAppender for Logging
- Change Context Path of a Grails Application for Jetty
- Change Version For Dependency Defined By BOM
-
The Command Line
- Script Name Abbreviation
- Shortcut to Open Test Reports in Interactive Console
- Run Gradle Tasks In Grails Interactive Mode
- See Information About Plugins
- Get List Of Application Profiles
- Getting More Information About A Profile
- Using Features When Creating An Application
- Create Report of URL Mappings
- Compiling GSP from the Command-Line
- Profile Script Tasks
- No More Questions
- Create New Application without Wrapper
- Enable Hot Reloading For Non-Development Environments
- Generate ANT Build Script
- Generate Default .gitignore Or .hgignore File
- Extending IntegrateWith Command
- Using Wrapper for Running Grails Commands Without Grails Installation
- Cleaning Up
- Using Aliases as Command Shortcuts
- Run Groovy Scripts in Grails Context
- Add More Paths to the Stats Report
- Access Configuration in Grails Scripts
- Simple Script to Create WAR Files for Each Environment
-
Grails Object Relational Mapping (GORM)
- Getting First or Last Instance of Domain Classes
- Using Hibernate Native SQL Queries
- Using Groovy SQL
- Refactoring Criteria Contents
-
Validation and Data Binding
- Add Extra Valid Domains and Authorities for URL Validation
- Combining Constraints with Shared Constraints
- Custom Data Binding with @DataBinding Annotation
-
Controllers
- Type Conversion on Parameters
- Get Values from Parameters with Same Name
- Get Request Parameters with Default Values
- Date Request Parameter Value Conversions
- Binding Method Arguments in Controller Methods
- Controller Properties as Model
- Using the header Method to Set Response Headers
- Render Binary Output with the File Attribute
- Exception Methods in Controllers
- Namespace Support for Controllers
- Grouping URL Mappings
-
Groovy Server Pages (GSP)
- Change Scaffolding Templates in Grails
- Use the GSP Template Engine in a Controller
- The Template Namespace
- Templates Can Have a Body
- The Link Namespace
- Format Boolean Values with the formatBoolean Tag
- Encode Content with the encodeAs Tag
- Set Application Wide Default Layout
- Applying Layouts in Layouts
- Applying Layouts in Layouts Revisited
- Access Action and Controller Name in GSP
- Get GrailsApplication and ApplicationContext in GSP
- Use Services in GSP with g:set Tag
- Generating Raw Output with Raw Codec
- Using Closures for Select Value Rendering
-
REST
- Customize Resource Mappings
- Pretty Print XML and JSON Output
- Include Domain Version Property in JSON and XML Output
- Enable Accept Header for User Agent Requests
- Custom Controller Class with Resource Annotation
- Change Response Formats in RestfulController
- Register Custom Marshaller Using ObjectMarshallerRegisterer
- Using Converter Named Configurations with Default Renderers
- Rendering Partial RESTful Responses
- Customize Root Element Name Collections for XML Marshalling
-
The Service Layer
- Generate Links Outside Controllers or Tag Libraries
- Render GSP Views And Templates Outside Controllers
- Accessing Resources with Resource and ResourceLocator
-
Grails and Spring
- Injecting Grails Services into Spring Beans
- Conditionally Load Bean Definitions from resources.groovy
- Using Spring Bean Aliases
- Use Constructor Argument Based Dependency Injection
- Set Property Values of Spring Beans in resources.groovy
- Setting Property Values through Configuration
- Defining Spring Beans With doWithSpring Method
- Use Spring Java Configuration
- Conditionally Load Beans in Java Configuration Based on Grails Environment
- Don’t Invalidate Session After Logout with Spring Security Plugin
-
Testing
- See Test Output on the Command Line
- Invoking a Single Test Method
- Cleaning Before Running Tests
- Rerun the Latest Failed Test
- Running Tests Continuously
- Testing for Chain Result in Controller
- Checking Results from Forward Action in Controller Unit Tests
- Using Codecs in Test Classes
- Unit Testing Render Templates from Controller
- Testing Views and Templates
- Passing Objects to Attributes of Tags in Unit Tests
- Set Request Locale in Unit Tests
- Using MetaClass with Testing
- Mocking the Configuration in Unit Tests
- Use Random Server Port In Integration Tests
-
Internationalization (i18n)
- Define Date Format in i18n ResourceBundle
- Splitting i18n Message Bundles
- Change Locale With Request Parameter
- Internationalize Javascript Messages with JAWR Plugin
-
IDE
- Quickly Create GSP From Controller In IntelliJ IDEA
- Go To Related Classes In IntelliJ IDEA
- Debugging App in Forked Mode
- Run Forked Tests in IntelliJ IDEA
-
Miscellaneous
- Creating A Runnable Distribution
- Creating A Fully Executable Jar
- Run Grails Application As Docker Container
The Leanpub 60-day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
Do Well. Do Good.
Authors have earned$12,164,369writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
CCIE Service Provider Version 4 Written and Lab Exam Comprehensive Guide
Nicholas RussoThe service provider landscape has changed rapidly over the past several years. Networking vendors are continuing to propose new standards, techniques, and procedures for overcoming new challenges while concurrently reducing costs and delivering new services. Cisco has recently updated the CCIE Service Provider track to reflect these changes; this book represents the author's personal journey in achieving that certification.
- #2
CCIE SP v5.0
Łukasz Bromirski, Piotr Jablonski, and Nicholas RussoAre you striving to prepare to and pass CCIE SP lab exam? Take the opportunity and get this workbook! With the attached initial cfg files you will prepare yourself for the CCIE SP exam as well as learn SP technologies applicable to all kinds of today modern networks! This workbook covers blueprint topics and provides challenging examples.
- #3
The PowerShell Scripting and Toolmaking Book
Don Jones and Jeff HicksLearn the patterns, practices, and details of PowerShell Scripting and Toolmaking from the industry's two most recognized experts on the subject.
- #4
C++20 - The Complete Guide
Nicolai M. JosuttisAll new language and library features of C++20 (for those who know previous C++ versions).
The book presents all new language and library features of C++20. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps.
Buy early, pay less, free updates.
Other books:
- #5
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #6
Windows 11 Field Guide
Rafael Rivera and Paul ThurrottThe Windows 11 Field Guide is a full-length e-book about the latest version of Microsoft Windows, aimed at those users who will upgrade from Windows 10 or acquire Windows 11 with a new PC.
- #7
Functional Programming Made Easier
Charles ScalfaniA Functional Programming book from beginner to advanced without skipping a single step along the way.
In my 40 years of programming, I've felt that programming books always let me down, especially Functional Programming books. So, I wrote the book I wish I had 5 years ago.
Functional Programming will never be easy, but it can be easier.
- #8
Production Haskell
Matt ParsonsAre you excited about Haskell, but don't know where to begin? Are you thrilled by the technical advantages, but worried about the unknown pitfalls? This book has you covered.
- #9
Jetpack Compose internals
Jorge CastilloJetpack Compose is the future of Android UI. Master how it works internally and become a more efficient developer with it. You'll also find it valuable if you are not an Android dev. This book provides all the details to understand how the Compose compiler & runtime work, and how to create a client library using them.
- #10
node-opcua by example
Etienne RossignonGet the best out of node-opcua through a set of documented examples by the author himself that will allow you to create stunning OPCUA Servers or Clients.
Top Bundles
- #1
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #2
1500 QUIZ COMMENTATI (3 libri)
3 Books
Tre libri dei QUIZ MMG Commentati al prezzo di DUE! I QUIZ dei concorsi ufficiali di Medicina Generale relativi agli anni: 2000-2001-2003-2012-2013-2014-2015-2016-2017-2018-2019-2020-2021 +100 inediti Raccolti in unico bundle per aiutarvi nello studio e nella preparazione al concorso. All'interno di ogni libro i quiz sono stati suddivisi per... - #4
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #6
Growing Agile: The Complete Coach's Guide
7 Books
Growing Agile: Coach's Guide Series This bundle provides a collection of training and workshop plans for a variety of agile topics. The series is aimed at agile coaches, trainers and ScrumMasters who often find themselves needing to help teams understand agile concepts. Each book in the series provides the plans, slides, handouts and activity... - #7
Zefs Guide to Deep Learning: Book + Flashcards
2 Books
The Zefs Guide to Deep Learning bundle includes both the book, Zefs Guide to Deep Learning, and the accompanying Zefs Guide to Deep Learning Flashcards. This combo will help you get up to speed fast on deep learning and stay up to speed. From basic regression to Stable Diffusion, this bundle will help you review and study the core concepts of... - #8
Software Architecture
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before...
