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package com.romangraef.jrconfig
import com.romangraef.jrconfig.variables.IntegerVariable
import com.romangraef.jrconfig.variables.StringVariable
typealias ConfigVariableProvider<T> = (ConfigProvider, String) -> ConfigVariable<T>
object Config {
private var configProvider: ConfigProvider? = null
private val map: MutableMap<Class<*>, ConfigVariableProvider<*>> = mutableMapOf()
private val proxyProvider: ConfigProvider = object : ConfigProvider {
override fun provideData(point: String): String? =
configProvider?.provideData(point)
override fun setData(point: String, data: String) =
configProvider?.setData(point, data) ?: Unit
}
init {
map[Int::class.java] = ::IntegerVariable
map[String::class.java] = ::StringVariable
}
@Suppress("UNCHECKED_CAST")
@JvmStatic
fun <T> get(clazz: Class<out T>, point: String): ConfigVariable<T> {
return (map[clazz] as? ConfigVariableProvider<T>)?.invoke(proxyProvider, point)
?: throw ConfigMissingProviderException(clazz)
}
inline fun <reified T> get(point: String) = get(T::class.java, point)
@JvmStatic
fun <T> registerConfigVariableProvider(clazz: Class<T>, provider: ConfigVariableProvider<T>) {
map[clazz] = provider
}
inline fun <reified T> registerConfigVariableProvider(noinline provider: ConfigVariableProvider<T>) =
registerConfigVariableProvider(T::class.java, provider)
@JvmStatic
fun use(provider: ConfigProvider?) {
configProvider = provider
}
@JvmStatic
fun getString(point: String): ConfigVariable<String> {
return get(String::class.java, point)
}
}
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