Gradle Goodness: Use Git Commit Id in Build Script
The nice thing about Gradle is that we can use Java libraries in our build script. This way we can add extra functionality to our build script in an easy way. We must use the classpath dependency configuration for our build script to include the library. For example we can include the library Grgit, which provides an easy way to interact with Git from Java or Groovy code. This library is also the
Groovy Goodness: Use Constructor as Method Pointer
In Java 8 we can create a constructor reference. We must use the syntax Class::new and we get a constructor reference. This syntax is not supported in Groovy, but we can use the method pointer or reference syntax .& to turn a method into a closure. We can even turn a constructor into a closure and use it everywhere where closures are allowed. In the following sample code we have a User class with
Spocklight Notebook is Published
Today Spocklight Notebook is published as a free book. This book is an electronic publication with all Spocklight blog posts about the Spock framework bundled. The book is published at Leanpub and is available in three formats: PDF, MOBI (for Kindle) and EPUB (for iPad). Updates for the book are also free. So when new Spocklight blog posts will be added to the book you will get those updates for f
Groovy Goodness: @DelegatesTo For Type Checking DSL
Groovy 2.1 introduced the @DelegatesTo annotation. With this annotation we can document a method and tell which class is responsible for executing the code we pass into the method. If we use @TypeChecked or @CompileStatic then the static type checker of the compiler will use this information to check at compile-time if the code is correct. And finally this annotation allows an IDE to give extra su
Messages from mrhaki
In Groovy we can apply the @NullCheck annotation to a class, constructor or method. The annotation is an AST (Abstract Syntax Tree) transformation and will insert code that checks for null values in methods or constructors. If a null value is passed to an annotated method or constructor, it will throw an IllegalArgumentException. Without the annotation we could have a NullPointerException if we tr
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Grails Goodness: Add Banner To Grails 3.1 Application
Awesome Asciidoctor: Change Source Code Indentation
Groovy Goodness: Check Configuration Property Is Set In ConfigObject
Awesome Asciidoctor: Explain Code with Callouts
Grails Goodness Notebook is Published
Gr8Conf 2013 Europe Conference Report: Day One
Grails Goodness: Script Name Abbreviation
Adding Groovy and Grails Support to SpringSource Tool Suite (STS)
Groovy Goodness: the Grep Method