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Tag Archives: Grails

What’s new in Grails 3

A few days ago Grails 3.0 was officially released. Grails is now based on Spring Boot, the build system changed from Gant to Gradle and significant parts of the framework have been rewritten. In this post we will have a look at all the major changes introduced by Grails 3. Updated file structure We will start with a screenshot that ...

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Basic Groovy and Grails Code Review Guidelines

I’ve been – and still am – teaching Grails to non-Java programmers for a while now. This also meant to coach them into some ways of working I hold very dear, such as pair programming and doing code reviews.                 Of course, in the beginning with a new team I am doing the ...

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Integrating jOOQ with Grails Featuring the UWS-jOOQ Plugin

Introduction Grails is a web framework aimed to boost development productivity. One of the main features is domain centric database schema generation. Applications built with Grails are able to update existing schema just before they start. To do this, Grails is using built-in domain mappers or migrations in more advanced cases. The goal of the UWS-jOOQ Grails-plugin is to integrate ...

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GGTS: Clean up Grails 2.0 output

Have you ever had in Groovy/Grails Tool Suite (GGTS) that console output, by a running Grails application, which is exactly the same as the previous output, just isn’t displayed? This can often be seen with println statements for debug-purposes e.g. in a Controller, which you think should output some line to the console every time, but simply doesn’t.     ...

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Working with sass scripts in Grails 2.3.X

Sass is one of the most mature, stable, and powerful professional grade CSS extension language available. Before we can use Sass, we need to set it up on our project. In grails-2.4.X, it is very easy to use sass through asset pipeline plugin. But with grails-2.3.x version, we need to follow these steps: Step 1 Install Ruby with RVM:   ...

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Fetching List of message codes from message.properties

Normally messages from message properties are fetched via, key i.e. message code, What if we want to select more than one message property, like a list. To get a list of select message codes from message.properties, we need to customize messageSource bean. To do that, lets create a class ‘CustomisedPluginAwareResourceBundleMessageSource’ which should extend class ‘PluginAwareResourceBundleMessageSource’. To fetch all properties we ...

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Grails Tutorial for Beginners – Criteria API

This tutorial will show how to use Criteria API to search data from the database. Criteria is a powerful API and an elegant alternative to HQL. Introduction This previous post showed that HQL is a powerful way to perform complex queries. However, it is not very elegant if an HQL statement is not fixed and needs to be concatenated. For ...

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