package  a6;

import java.io.File;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.lang.reflect.Array;

public class SysUtils {

    public static void test() {
        System.out.println("test");
    }

    public static int getDaySeconds(int time_val, int incdays) {
        int time_zone = 8;
        return (int)((time_val + time_zone * 3600)/3600/24 + incdays) * 3600 * 24 - 3600 * time_zone;
    }

    public static int now() {
        return (int)(System.currentTimeMillis() / 1000);
    }

    public static final <T> T[] newArray(Class<T> cls, int size) {
        T[] arr =  (T[])Array.newInstance(cls, size);
        try {
            for (int i = 0; i < arr.length; ++i) {
                arr[i] = cls.newInstance();
            }
            return arr;
        } catch (Exception e) {
            return null;
        }
    }

    public static boolean readStrings(String filename, ArrayList<String> strings) {
        File csvfile = new File(filename);
        csvfile.setReadable(true);
        BufferedReader br = null;
        try {
            br = new BufferedReader(new FileReader(csvfile));
            String line;
            try {
                while ((line = br.readLine()) != null) {

                }
                br.close();
            } catch (IOException e) {
                return false;
            }
        } catch (FileNotFoundException e) {
            return false;
        }
        return true;
    }

}