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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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.
module AWS
module Record
# @api private
class PresenceValidator < Validator
ACCEPTED_OPTIONS = [:message, :allow_nil, :allow_blank, :on, :if, :unless]
def validate_attribute record, attribute_name, value
blank = case
when value.nil? then true
when value.is_a?(String) then value !~ /\S/
when value == false then false # defeat false.blank? == true
when value.respond_to?(:empty?) then value.empty?
when value.respond_to?(:blank?) then value.blank?
else false
end
record.errors.add(attribute_name, message) if blank
end
def message
options[:message] || 'may not be blank'
end
end
end
end
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