package common.utils.http;

import com.alibaba.druid.util.StringUtils;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.JSONPObject;
import com.jfinal.core.Controller;
import com.jfinal.core.NotAction;
import com.jfinal.json.FastJson;
import com.jfinal.kit.HttpKit;
import com.jfinal.kit.StrKit;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

public class MyController extends Controller {
	@NotAction
	public <T> T getJsonModel(Class<T> type) {
		return MyController.getJsonModelByRequestAndType(getRequest(), type);
	}
	
	public static <T> T getJsonModelByRequestAndType(HttpServletRequest request, Class<T> type) {
		String data = HttpKit.readData(request);
		
		// request只支持读取一次，无法满足需求
		if (!StrKit.isBlank(data)) {
			request.setAttribute("data", data);
		} else {
			data = (String) request.getAttribute("data");
		}

		return FastJson.getJson().parse(data, type);
	}
	public static <T> List<T> getList(String jsonArrStr, Class<T> clazz){
		if(StringUtils.isEmpty(jsonArrStr)){
			jsonArrStr = "[]";
		}
		List<T> objList = JSONArray.parseArray(jsonArrStr, clazz);
		return objList;
	}
}