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Kotlin JSON parsing \o/
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// Usage | |
fun parse(json: JSONObject): Car { | |
val car = Car() | |
car.apply { | |
::id < json.key("id") | |
::numberOfDoors < json.key("nb_of_doors") | |
::driverName < json.key("driver_name") | |
} | |
return car | |
} | |
// JSON Kotlin Magick | |
fun JSONObject.key(key:String): Pair<JSONObject, String> = Pair(this, key) | |
inline operator fun <reified T>KMutableProperty0<T>.compareTo(pair: Pair<JSONObject, String>): Int { | |
pair.first.map(this, pair.second) | |
return 0 | |
} | |
inline fun <reified T>JSONObject.map(property: KMutableProperty0<T>, key: String) { | |
if (has(key)) { | |
when (T::class) { | |
String::class -> (property as? KMutableProperty0<String>)?.apply { set(getString(key)) } | |
Long::class -> (property as? KMutableProperty0<Long>)?.apply { set(getLong(key)) } | |
Double::class -> (property as? KMutableProperty0<Double>)?.apply { set(getDouble(key)) } | |
} | |
} | |
} |
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