class Croesus::Validator::LambdaValidator
Author: Stefano Harding <riddopic@gmail.com>
Copyright © 2014 Stefano Harding
Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Public Class Methods
new()
click to toggle source
Calls superclass method
Croesus::Validator::Base::new
# File lib/croesus/validators/lambda_validator.rb, line 21 def initialize super('_lambda') # The name of the validator, underscored as it won't usually be directly invoked (invoked through use of validator) end
Public Instance Methods
presence_error_message()
click to toggle source
# File lib/croesus/validators/lambda_validator.rb, line 40 def presence_error_message 'is not valid' end
should_validate?(item)
click to toggle source
# File lib/croesus/validators/lambda_validator.rb, line 25 def should_validate?(item) if item.is_a?(Proc) if item.arity == 1 true else raise InvalidArgumentCount.new( "Lambda validator should only accept one argument; " \ "supplied lambda accepts #{item.arity}." ) end else false end end
validate(key, value, lambda, errors)
click to toggle source
# File lib/croesus/validators/lambda_validator.rb, line 44 def validate(key, value, lambda, errors) unless lambda.call(value) errors[key] = presence_error_message end rescue errors[key] = presence_error_message end