org.danilopianini.template.HelloGradle.kt Maven / Gradle / Ivy

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A template repository for kickstarting Gradle Plugins

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package org.danilopianini.template

import org.gradle.api.DefaultTask
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.model.ObjectFactory
import org.gradle.api.provider.Property
import org.gradle.api.provider.Provider
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.TaskAction
import org.gradle.kotlin.dsl.create
import org.gradle.kotlin.dsl.property
import org.gradle.kotlin.dsl.register
import java.io.Serializable

/**
 * Just a template.
 */
open class HelloGradle : Plugin {
    override fun apply(target: Project) {
        val extension = target.extensions.create("hello")
        target.tasks.register("hello") {
            author.set(extension.author)
        }
    }
}

/**
 * Just a template.
 */
open class HelloTask : DefaultTask() {

    /**
     * Just a template.
     */
    @Input
    val author: Property = project.objects.property()

    /**
     * Read-only property calculated from the greeting.
     */
    @Internal
    val message: Provider = author.map { "Hello from $it" }

    /**
     * Just a template.
     */
    @TaskAction
    fun printMessage() {
        logger.quiet(message.get())
    }
}

/**
 * Just a template.
 */
open class HelloExtension(objects: ObjectFactory) : Serializable {

    /**
     * Just a template.
     */
    val author: Property = objects.property()

    companion object {
        private const val serialVersionUID = 1L
    }
}