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class MacAddressValidator < ActiveModel::EachValidator
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def validate_each(record, attribute, value)
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make_invalid(record, attribute) unless Net::Validations.validate_mac(value)
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rescue Net::Validations::Error
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make_invalid(record, attribute)
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end
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def make_invalid(record, attribute)
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record.errors.add(attribute, (options[:message] || _("is not a valid MAC address")))
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false
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end
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end
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