private static String tryGetHostAddressFromNetworkInterface()

in foundations/foundation-common/src/main/java/org/apache/servicecomb/foundation/common/net/NetUtils.java [107:128]

• 20 lines of code
• 9 McCabe index (conditional complexity)

  private static String tryGetHostAddressFromNetworkInterface(boolean isIpv6, InetAddress localhost) {
    InetAddress result = null;
    for (Entry<String, InetAddress> entry : allInterfaceAddresses.entrySet()) {
      if (isIpv6 && entry.getKey().endsWith(IPV6_KEY)) {
        result = entry.getValue();
        if (entry.getKey().startsWith(PREFERRED_INTERFACE)) {
          return result.getHostAddress();
        }
      } else if (!isIpv6 && entry.getKey().endsWith(IPV4_KEY)) {
        result = entry.getValue();
        if (entry.getKey().startsWith(PREFERRED_INTERFACE)) {
          return result.getHostAddress();
        }
      }
    }

    if (result == null) {
      return localhost.getHostAddress();
    }

    return result.getHostAddress();
  }