Contents

module Elasticity

  class AwsUtils

    # Escape a string according to Amazon's rules.
    # See: http://docs.amazonwebservices.com/AmazonSimpleDB/2007-11-07/DeveloperGuide/index.html?REST_RESTAuth.html
    def self.aws_escape(param)
      param.to_s.gsub(/([^a-zA-Z0-9._~-]+)/n) do
        '%' + $1.unpack('H2' * $1.size).join('%').upcase
      end
    end

    # With the advent of v4 signing, we can skip the complex translation from v2
    # and ship the JSON over with nearly the same structure.
    def self.convert_ruby_to_aws_v4(value)
      case value
        when Array
          return value.map{|v| convert_ruby_to_aws_v4(v)}
        when Hash
          result = {}
          value.each do |k,v|
            result[camelize(k.to_s)] = convert_ruby_to_aws_v4(v)
          end
          return result
        else
          return value
      end
    end

    def self.camelize(word)
      word.to_s.gsub(/\/(.?)/) { '::' + $1.upcase }.gsub(/(^|_)(.)/) { $2.upcase }
    end

  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
elasticity-6.0.14	lib/elasticity/aws_utils.rb
elasticity-6.0.13	lib/elasticity/aws_utils.rb
elasticity-6.0.12	lib/elasticity/aws_utils.rb