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package com.romangraef.jrconfig
import java.util.function.Function
abstract class TransformerConfigVariable<T>(private val provider: ConfigSaveLoadProvider, private val point: String) :
ConfigVariable<T> {
protected abstract fun transform(value: String): T
protected abstract fun serialize(data: T): String
override fun get(): T {
return transform(provider.provideData(point) ?: throw ConfigMissingException(point))
}
override fun set(value: T) {
provider.setData(point, serialize(value))
}
override fun defaultValue(t: T?): ConfigVariable<T> = if (t == null) {
this
} else {
DefaultConfigVariable(this, t)
}
companion object {
/**
* Quick and dirty. Please consider using a subclass.
*/
fun <T> getVariable(
provider: ConfigSaveLoadProvider,
point: String,
transform: Function<String, T>,
serialize: Function<T, String>
): TransformerConfigVariable<T> {
return object : TransformerConfigVariable<T>(provider, point) {
override fun transform(value: String): T {
return transform.apply(value)
}
override fun serialize(data: T): String {
return serialize.apply(data)
}
}
}
}
}
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