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/**
 * The MIT License
 *
 * Copyright (C) 2015 Asterios Raptis
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package io.github.astrapi69.json;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

import org.json.JSONArray;
import org.json.JSONObject;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * The class {@link JSONObjectToObjectExtensions} converts json strings to java object and java
 * collections.
 */
public final class JSONObjectToObjectExtensions
{

	private JSONObjectToObjectExtensions()
	{
	}

	/**
	 * Transforms the given json object into a java object
	 *
	 * @param 
	 *            the generic type
	 * @param jsonObject
	 *            the json object
	 * @param clazz
	 *            the clazz of the generic type
	 * @param mapper
	 *            the object mapper
	 * @return the java object
	 * @throws IOException
	 *             Signals that an I/O exception has occurred
	 */
	public static  T toObject(final JSONObject jsonObject, final Class clazz,
		final ObjectMapper mapper) throws IOException
	{
		Objects.requireNonNull(jsonObject);
		Objects.requireNonNull(clazz);
		Objects.requireNonNull(mapper);
		return JsonStringToObjectExtensions.toObject(jsonObject.toString(), clazz, mapper);
	}

	/**
	 * Transforms the given {@link JSONArray} into a java object {@link List}.
	 *
	 * @param 
	 *            the generic type
	 * @param jsonArray
	 *            the json array the element class of the generic type
	 * @param elementClass
	 *            the element class
	 * @return the list with the java objects
	 * @throws IOException
	 *             Signals that an I/O exception has occurred.
	 */
	public static  List toObjectList(final JSONArray jsonArray, final Class elementClass)
		throws IOException
	{
		Objects.requireNonNull(jsonArray);
		Objects.requireNonNull(elementClass);
		List list = new ArrayList<>();
		for (int i = 0; i < jsonArray.length(); i++)
		{
			Object object = jsonArray.get(i);
			list.add(object.toString());
		}
		List result = new ArrayList<>();
		for (int i = 0; i < list.size(); i++)
		{
			result.add(JsonStringToObjectExtensions.toObject(list.get(i), elementClass));
		}
		return result;
	}

}