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plugin-configuration-samples.md

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Plugin configuration samples for Gradle

Minimal config

⚠️ This minimal configuration will not bundle a JRE, so final user will need one in order to run the app.

Using your own task

Add next task to your build.gradle file:

task packageMyApp(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	mainClass = 'fvarrui.sample.Main'
}

And run gradle packageMyApp.

Using default task

Default package task is configured using javapackager extension so, add next to your build.gradle file:

javapackager {
	mainClass = 'fvarrio.sample.Main'
}

And run gradle package.

Bundle with a customized JRE

task packageMyApp(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	mainClass = 'fvarrui.sample.Main'
	bundleJre = true
}

customizedJre is true by default, so you don't have to specify it.

Bundle with a full JRE

task packageMyApp(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	mainClass = 'fvarrui.sample.Main'
	bundleJre = true
	customizedJre = false
}

Bundle with an existing JRE

task packageMyApp(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	mainClass = 'fvarrui.sample.Main'
	bundleJre = true
	jrePath = file('C:\Program Files\Java\jre1.8.0_231')
}

Bundle your own fat JAR

task packageMyApp(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	mainClass = 'fvarrui.sample.Main'
	bundleJre = true
	runnableJar = file('path/to/your/own/fat.jar')
	copyDependencies = false
}

Multiple executions

javapackager {
    // common configuration
	mainClass = 'fvarrui.sample.Main'
}
task packageMyAppWithJRE(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	name = 'Sample'
	bundleJre = true
}
task packageMyAppWithoutJRE(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	name = 'Sample-nojre'
	bundleJre = false
}
task packageMyApp(dependsOn: [ 'packageMyAppWithJRE', 'packageMyAppWithoutJRE' ])

E.g. on Windows, last configuration will generate next artifacts:

  • Sample_x.y.z.exe with a bundled JRE.
  • Sample-nojre_x.y.z.exe without JRE.

Bundling for multiple platforms

javapackager {
	// common configuration
	mainClass = 'fvarrui.sample.Main'
	bundleJre = true
	generateInstaller = false
}
task packageMyAppForLinux(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	platform = linux
	createTarball = true
	jdkPath = file('X:\\path\to\linux\jdk')
}
task packageMyAppForMac(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	platform = mac
	createTarball = true
	jdkPath = file('X:\\path\to\mac\jdk')
}
task packageMyAppForWindows(type: io.github.fvarrui.javapackager.gradle.PackageTask, dependsOn: build) {
	platform = windows
	createZipball = true
}
task packageMyApp(dependsOn: [ 'packageMyAppForLinux', 'packageMyAppForMac', 'packageMyAppForWindows' ])

E.g. on Windows, running packageMyApp task will generate next artifacts:

  • ${name}_${version}-linux.tar.gz with the GNU/Linux application including a customized JRE.
  • ${name}_${version}-mac.tar.gz with the MacOS application including a customized JRE.
  • ${name}_${version}-windows.zip with the Windows application including a customized JRE.

As last sample is running on Windows, it's not necessary to specify a JDK when bundling for Windows (it uses current JDK by default). Otherwise, if running on GNU/Linux or MacOS, you have to specify a JDK for Windows.