public final class SystemUtils {
    private static final String OS = System.getProperty("os.name").toLowerCase();

    public static boolean isWindows() {
            return OS.contains("win");
    }

    public static boolean isMac() {
            return OS.contains("mac");
    }

    public static boolean isUnix() {
            return (OS.contains("nix") || OS.contains("nux") || OS.indexOf("aix") > 0 );
    }

    public static boolean isSolaris() {
            return (OS.contains("sunos"));
    }

    public static String getOS() {
            if (isWindows()) {
                    return "win";
            } else if (isMac()) {
                    return "osx";
            } else if (isUnix()) {
                    return "uni";
            } else if (isSolaris()) {
                    return "sol";
            } else {
                    return "err";
            }
    }

    public static String getOSPropertyName() {
        return OS;
    }
}