lib/rpush/client/active_model/apns/device_token_format_validator.rb
module Rpush
module Client
module ActiveModel
module Apns
class DeviceTokenFormatValidator < ::ActiveModel::Validator
def validate(record)
return if record.device_token =~ /\A[a-z0-9]\w+\z/i
record.errors.add :device_token, "is invalid"
end
end
end
end
end
end