Book Image

Gradle Effective Implementations Guide - Second Edition

By : Hubert Klein Ikkink
Book Image

Gradle Effective Implementations Guide - Second Edition

By: Hubert Klein Ikkink

Overview of this book

Gradle is a project automation tool that has a wide range of applications. The basic aim of Gradle is to automate a wide variety of tasks performed by software developers, including compiling computer source code to binary code, packaging binary codes, running tests, deploying applications to production systems, and creating documentation. The book will start with the fundamentals of Gradle and introduce you to the tools that will be used in further chapters. You will learn to create and work with Gradle scripts and then see how to use Gradle to build your Java Projects. While building Java application, you will find out about other important topics such as dependency management, publishing artifacts, and integrating the application with other JVM languages such as Scala and Groovy. By the end of this book, you will be able to use Gradle in your daily development. Writing tasks, applying plugins, and creating build logic will be your second nature.
Table of Contents (18 chapters)
Gradle Effective Implementations Guide - Second Edition
About the Author
About the Reviewer

Using the Groovy plugin

To use Groovy sources in our project, we can apply the Groovy plugin. The Groovy plugin makes it possible to compile Groovy source files to class files. The project can contain both Java and Groovy source files. The compiler that Gradle uses is a joint compiler that can compile Java and Groovy source files.

The plugin also adds new tasks to our build. To compile the Groovy source files, we can invoke the compileGroovy task. Test sources written in Groovy can be compiled with the compileTestGroovy task. Also, a compile<SourceSet>Groovy task is added for each extra source set in our build definition. So, if we create a new source set with the name api, there will be a compileApiGroovy task.

In the following example build file, we apply the Groovy plugin:

apply plugin: 'groovy' 

If we invoke the tasks task to see what is available, we get the following output:

$ gradle tasks
All tasks runnable...