class ActiveModel::Validations::HostnameValidator

Public Instance Methods

validate_each(record, attribute, value) click to toggle source

Rules taken from www.zytrax.com/books/dns/apa/names.html

# File lib/validators/validates_hostname_format_of.rb, line 7
def validate_each(record, attribute, value)
  return if value.blank? && options[:allow_blank]
  return if value.nil? && options[:allow_nil]
  return if Validators::Hostname.valid?(value.to_s)

  record.errors.add(
    attribute,
    :invalid_hostname,
    message: options[:message],
    value: value
  )
end