Method: TreasureData::API.validate_name

Defined in:

lib/td/client/api.rb

.validate_name(target, min_len, max_len, name) ⇒ Object

Parameters:

• target (String)
• min_len (Fixnum)
• max_len (Fixnum)
• name (String)

# File 'lib/td/client/api.rb', line 148

def self.validate_name(target, min_len, max_len, name)
  if !target.instance_of?(String) || target.empty?
    raise ParameterValidationError,
          "A valid target name is required"
  end

  name = name.to_s
  if max_len
    if name.length < min_len || name.length > max_len
      raise ParameterValidationError,
        "#{target.capitalize} name must be between #{min_len} and #{max_len} characters long. Got #{name.length} " +
        (name.length == 1 ? "character" : "characters") + "."
    end
  else
    if min_len == 1
      if name.empty?
        raise ParameterValidationError,
          "Empty #{target} name is not allowed"
      end
    else
      if name.length < min_len
        raise ParameterValidationError,
          "#{target.capitalize} name must be longer than #{min_len} characters. Got #{name.length} " +
          (name.length == 1 ? "character" : "characters") + "."
      end
    end
  end

  unless name =~ /^([a-z0-9_]+)$/
    raise ParameterValidationError,
          "#{target.capitalize} name must only consist of lower-case alpha-numeric characters and '_'."
  end

  name
end