How to use

verifyDomainNameLabel

method

in

com.cloud.utils.net.NetUtils

public void checkNameForRFCCompliance(String name) {
  if (!NetUtils.verifyDomainNameLabel(name, true)) {
    throw new InvalidParameterValueException("Invalid name. Vm name can contain ASCII letters 'a' through 'z', the digits '0' through '9', "
        + "and the hyphen ('-'), must be between 1 and 63 characters long, and can't start or end with \"-\" and can't start with digit");
  }
}

public static boolean verifyDomainName(final String domainName) {
  // don't allow domain name length to exceed 190 chars (190 + 63 (max host name length) = 253 = max domainName length
  if (domainName.length() < 1 || domainName.length() > 190) {
    s_logger.trace("Domain name must be between 1 and 190 characters long");
    return false;
  }
  if (domainName.startsWith(".") || domainName.endsWith(".")) {
    s_logger.trace("Domain name can't start or end with .");
    return false;
  }
  final String[] domainNameLabels = domainName.split("\\.");
  for (int i = 0; i < domainNameLabels.length; i++) {
    if (!verifyDomainNameLabel(domainNameLabels[i], false)) {
      s_logger.warn("Domain name label " + domainNameLabels[i] + " is incorrect");
      return false;
    }
  }
  return true;
}

public static boolean verifyDomainName(final String domainName) {
  // don't allow domain name length to exceed 190 chars (190 + 63 (max host name length) = 253 = max domainName length
  if (domainName.length() < 1 || domainName.length() > 190) {
    s_logger.trace("Domain name must be between 1 and 190 characters long");
    return false;
  }
  if (domainName.startsWith(".") || domainName.endsWith(".")) {
    s_logger.trace("Domain name can't start or end with .");
    return false;
  }
  final String[] domainNameLabels = domainName.split("\\.");
  for (int i = 0; i < domainNameLabels.length; i++) {
    if (!verifyDomainNameLabel(domainNameLabels[i], false)) {
      s_logger.warn("Domain name label " + domainNameLabels[i] + " is incorrect");
      return false;
    }
  }
  return true;
}