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Mastering Gradle

By : Mitra

3 (4)

Mastering Gradle

3 (4)

By: Mitra

Overview of this book

If you are a developer with some experience in build tool and want to become an expert in build tool, then this book is for you. Basic knowledge of Gradle or any other build tool is essential.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with Gradle

1. Getting Started with Gradle

Understanding Build Automation System

Gradle overview

Installation and quick start

Our first script

Gradle command Line arguments

The Gradle GUI

Start up script

Build life cycle

Cache management

Gradle with IDE

Summary

2. Groovy Essentials for Gradle

2. Groovy Essentials for Gradle

Overview

Groovy script for Hello World

Data types

Classes, beans, and methods

Control structures

Collections

Closure

Builder

Summary

3. Managing Task

3. Managing Task

Build script basics

Task configuration

Task execution

Task dependency

Task ordering

Task operations

Gradle's in-built tasks

Custom tasks

Summary

4. Plugin Management

4. Plugin Management

The script plugin

The binary plugin

Gradle's in-built plugins

The Java plugin

The custom plugin

Summary

5. Dependency Management

5. Dependency Management

Overview

Dependency configurations

Dependency resolution

Customizing the dependency

Publishing artifacts

Summary

6. Working with Gradle

6. Working with Gradle

The War plugin

The Scala plugin

Logging

File management

Property management

Multi-project build

Testing with Gradle

Summary

7. Continuous Integration

7. Continuous Integration

Jenkins walk-through

Checkstyle and PMD plugins

The Sonar Runner plugin

TeamCity walk-through

Summary

8. Migration

8. Migration

Migration from Ant

Migration from Maven

Summary

9. Deployment

9. Deployment

Role of Gradle in deployment

Docker overview

Installing Docker

Docker commands

Running an application in Docker

Build, Deployment, and Test pipeline

Summary

10. Building Android Applications with Gradle

10. Building Android Applications with Gradle

Creating Android project using Android Studio

Building the Android project with Gradle

Summary

Index

Index

Customer Reviews

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File management

One of the key features of any build tool is I/O operations and how easily you can perform the I/O operations such as reading files, writing files, and directory-related operations. Developers with Ant or Maven backgrounds know how painful and complex it was to handle the files and directory operations in old build tools; sometimes you had to write custom tasks and plugins to perform these kinds of operations due to XML limitations in Ant and Maven. Since Gradle uses Groovy, it will make your life much easier while dealing with files and directory-related operations.

Reading files

Gradle provides simple ways to read the file. You just need to use the File API (application programing interface) and it provides everything to deal with the file. The following is the code snippet from FileExample/build.gradle:

task showFile << {
  File file1 = file("readme.txt")
  println file1    // will print name of the file
  file1.eachLine {
    println it  // will print contents line...

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