Groovy And Grails Tips

Use Exceptions To Control Validation Flow.

2010-02-04T09:28:00.000-08:00

When using default grails scaffolding a controller action, for example save, will look some thing like this def save = { def fooInstance = new Foo(params) if(!fooInstance.hasErrors() && fooInstance.save()) { flash.message = "Foo ${fooInstance.id} created" redirect(action:show,id:fooInstance.id) } else { render(view:'create',

Grails Plugins With In-House Repository Part 2.

2010-01-04T14:05:00.001-08:00

In part one we covered setting up the subversion repository. In this post we are going to look at how to configure your plugin project to publish to your repository, and how to configure your projects to use plugins from this repository. In your plugin project you will need to add a new file BuildConfig.groovy under grails-app/conf. As you probably guessed from the name, this file is used to

Grails Plugins With In-House Repository Part 1 (Introduction).

2009-12-21T14:21:00.000-08:00

In this series of posts I am going to cover how to use grails to create and use a plugins to develop your application. Grails plugin system is one of the most powerful features of the framework. If you have been using grails for any length of time you have probably started using some of the rich plugins available in the grails plugin repository. Grails plugins go much further than just

Releasing a New Version of an Existing Plugin

2009-01-09T14:23:00.000-08:00

In this post I am going to cover releasing a second version of your plugin. It is inevitable that you will need to make changes to your plugin after its first release. I would recommend also reading part one, and part two of this series. Here are the steps you will need to follow to successfully update your plugin. Step one: You need to obtain a working copy of your source from the plugin