获得本机ip linux

/**
 * 获得本机执行的ip
 * @return
 */
public static String getLocalIP() {
    String ip = "";
    try {
        Enumeration<?> e1 = (Enumeration<?>) NetworkInterface.getNetworkInterfaces();
        while (e1.hasMoreElements()) {
            NetworkInterface ni = (NetworkInterface) e1.nextElement();
            if (!ni.getName().equals("eth0")) {
                continue;
            } else {
                Enumeration<?> e2 = ni.getInetAddresses();
                while (e2.hasMoreElements()) {
                    InetAddress ia = (InetAddress) e2.nextElement();
                    if (ia instanceof Inet6Address)
                        continue;
                    ip = ia.getHostAddress();
                }
                break;
            }
        }
    } catch (SocketException e) {
        logger.error("获取本机ip error");
    }
    return ip;
}