About Hubert Ikkink

My name is Hubert A. Klein Ikkink also known as mrhaki. I work at the great IT company JDriven. Here I work on projects with Groovy & Grails, Gradle and Spring. At JDriven we focus on SpringSource technologies. All colleagues want to learn new technologies, support craftmanship and are very eager to learn. This is truly a great environment to work in.

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Grails Goodness: Extending IntegrateWith Command

We can extend the integrate-with command in Grails to generate files for a custom IDE or build system. We must add a _Events.groovy file to our Grails projects and then write an implementation ...
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Coloring Different Data Sources in IntelliJ IDEA

The database plugin in IntelliJ IDEA is a useful tool to work with data in databases. As long as we got a JDBC driver to connect to the database we can configure a data source. And ...
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Groovy Goodness: Closure as Writable

In a previous post we learned about the Writable interface and how the GString implementation implements this interface. In Groovy we can also use a closure as an implementation of ...
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Grails Goodness: Using Groovy SQL

In a previous post we learned how we can use Hibernate native SQL queries in our Grails application. We can also execute custom SQL with Groovy SQL. We must create a new instance of ...
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Grails Goodness: Customize Root Element Name Collections for XML Marshalling

When we convert a List or Set to XML using the Grails XML marshalling support the name of the root element is either <list> or <set>. We can change this name by extending ...
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Grails Goodness: Cleaning Up

When we use for example the compile or war command Grails will create files and stores them by default in the project’s working directory. The location of the project working directory ...
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Grails Goodness: Generating Raw Output with Raw Codec

Since Grails 2.3 all ${} expression output is automatically escaped on GSPs. This is very useful, because user input is now escaped and any HTML or JavaScript in the input value is ...
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Grails Goodness: Namespace Support for Controllers

In a Grails application we can organize our controllers into packages, but if we use the same name for multiple controllers, placed in different packages, then Grails cannot resolve ...
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Grails Goodness: Unit Testing Render Templates from Controller

In a previous blog post we learned how we can unit test a template or view independently. But what if we want to unit test a controller that uses the render() method and a template ...
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Grails Goodness: Accessing Resources with Resource and ResourceLocator

Grails uses Spring and we can piggyback on the Spring support for resource loading to find for examples files in the classpath of our application. We can use the Spring org.springframework.core.io.Resource ...
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