Class IdempotencyMap

src/main/java/field/utility/IdempotencyMap.java:16–240

public class IdempotencyMap<T> extends LinkedHashMapAndArrayList<T> implements Mutable<IdempotencyMap<T>>, fieldlinker.AsMap, HandlesCompletion {

	private final Class<? extends T> t;
	private Function<String, T> autoConstructor;

	public IdempotencyMap(Class t) {
		this.t = t;
	}

	public IdempotencyMap<T> setAutoconstruct(Function<String, T> auto) {
		this.autoConstructor = auto;
		return this;
	}


	public IdempotencyMap<T> setAutoconstruct(Class clazz) {
		this.autoConstructor = (k) -> {
			try {
				return (T) clazz.newInstance();
			} catch (InstantiationException e) {
				e.printStackTrace();
			} catch (IllegalAccessException e) {
				e.printStackTrace();
			}
			return null;
		};
		return this;
	}

	@Override
	protected T massage(Object value) {
		if (t == null) return (T) value;
		if (value == null) return null;
		if (t.isAssignableFrom(value.getClass())) return (T) value;

		Object ovalue = value;

		if (value instanceof ScriptObjectMirror)
			value = ScriptUtils.unwrap(value);

		value = Conversions.convert(value, t);

		if (value != null && t.isAssignableFrom(value.getClass())) return (T) value;

		if (value == null) {
			throw new ClassCastException(" couldn't convert " + ovalue + " of class " + ovalue.getClass() + " to " + t);
		}
		if (!t.isAssignableFrom(value.getClass()))
			throw new ClassCastException(" expected " + t + ", got " + value + " / " + value.getClass());

		return (T) value;
	}

	@Override
	public IdempotencyMap<T> duplicate() {
		IdempotencyMap<T> r = new IdempotencyMap<>(t);

		for (Map.Entry<String, T> e : this.entrySet()) {
			r.put(e.getKey(), e.getValue() instanceof Mutable ? ((Mutable) e.getValue()).duplicate() : e.getValue());
		}