package com.heyu.api.utils;


import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
 * 系统判断
 *
 * @author sandy
 */
public class OsUtil {

    public static boolean isWindows() {
        boolean iswindows = false;
        if (System.getProperties().getProperty("os.name").toUpperCase()
                .indexOf("WINDOWS") != -1) {
            iswindows = true;
        }
        return iswindows;
    }


    private static final boolean osIsMacOsX;
    private static final boolean osIsWindows;
    private static final boolean osIsWindowsXP;
    private static final boolean osIsWindows2003;
    private static final boolean osIsWindowsVista;
    private static final boolean osIsLinux;
    private static final boolean osIsWindowsWin7;
    private static final boolean osIsWindowsWin8;
    private static final boolean osIsWindowsWin10;

    static {
        String os = System.getProperty("os.name");
        if (os != null)
            os = os.toLowerCase();
        osIsMacOsX = "mac os x".equals(os);
        osIsWindows = os != null && os.indexOf("windows") != -1;
        osIsWindowsXP = "windows xp".equals(os);
        osIsWindows2003 = "windows 2003".equals(os);
        osIsWindowsVista = "windows vista".equals(os);
        osIsLinux = os != null && os.indexOf("linux") != -1;
        osIsWindowsWin7 = os != null && os.indexOf("windows 7") != -1;
        osIsWindowsWin8 = os != null && os.indexOf("windows 8") != -1;
        osIsWindowsWin10 = os != null && os.indexOf("windows 10") != -1;
    }


    public static boolean isMacOSX() {
        return osIsMacOsX;
    }


    public static boolean isWindowsXP() {
        return osIsWindowsXP;
    }

    public static boolean isWindows2003() {
        return osIsWindows2003;
    }

    public static boolean isWindowsVista() {
        return osIsWindowsVista;
    }

    public static boolean isLinux() {
        return osIsLinux;
    }

    public static boolean IsWindowsWin7() {
        return osIsWindowsWin7;
    }

    public static boolean IsWindowsWin8() {
        return osIsWindowsWin8;
    }

    public static boolean IsWindowsWin10() {
        return osIsWindowsWin10;
    }


    public static void sleepMilliSecond(int min, int max) {
        try {
            Random random = new Random();
            int time = random.nextInt(max) % (max - min + 1) + min;
            TimeUnit.MILLISECONDS.sleep(time);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}