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package com.firefly.utils.json;

import java.io.IOException;

import com.firefly.utils.json.io.JsonStringReader;
import com.firefly.utils.json.io.JsonStringWriter;
import com.firefly.utils.json.parser.GeneralJSONObjectStateMacine;
import com.firefly.utils.json.parser.ParserStateMachine;
import com.firefly.utils.json.serializer.SerialStateMachine;

public abstract class Json {

	public static String toJson(Object obj) {
		try (JsonWriter writer = new JsonStringWriter()) {
			SerialStateMachine.toJson(obj, writer);
			return writer.toString();
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	@SuppressWarnings("unchecked")
	public static  T toObject(String json, Class clazz) {
		try (JsonReader reader = new JsonStringReader(json)) {
			return (T) ParserStateMachine.toObject(reader, clazz);
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	public static JsonObject toJsonObject(String json) {
		try (JsonReader reader = new JsonStringReader(json)) {
			return GeneralJSONObjectStateMacine.toJsonObject(reader);
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	public static JsonArray toJsonArray(String json) {
		try (JsonReader reader = new JsonStringReader(json)) {
			return GeneralJSONObjectStateMacine.toJsonArray(reader);
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

}