main.name.remal.gradle_plugins.dsl.utils.PropertyWithDefaultValue.kt Maven / Gradle / Ivy

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Remal Gradle plugins: gradle-plugins-kotlin-dsl

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package name.remal.gradle_plugins.dsl.utils

import kotlin.reflect.KProperty

fun  defaultValue(defaultValueGetter: () -> T) = PropertyWithDefaultValue(defaultValueGetter)
fun  defaultValue(defaultValue: T) = PropertyWithDefaultValue({ defaultValue })

class PropertyWithDefaultValue(private val defaultValueGetter: () -> T) {

    private var value: T? = null

    operator fun getValue(thisRef: Any?, property: KProperty<*>): T {
        return value ?: defaultValueGetter()
    }

    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
        this.value = value
    }

}