Class: Elasticity::AwsUtils

Inherits:
Object
  • Object
show all
Defined in:
lib/elasticity/aws_utils.rb

Class Method Summary collapse

Class Method Details

.aws_escape(param) ⇒ Object

Escape a string according to Amazon’s rules. See: docs.amazonwebservices.com/AmazonSimpleDB/2007-11-07/DeveloperGuide/index.html?REST_RESTAuth.html



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# File 'lib/elasticity/aws_utils.rb', line 7

def self.aws_escape(param)
  param.to_s.gsub(/([^a-zA-Z0-9._~-]+)/n) do
    '%' + $1.unpack('H2' * $1.size).join('%').upcase
  end
end

.camelize(word) ⇒ Object 



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# File 'lib/elasticity/aws_utils.rb', line 30

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

.convert_ruby_to_aws_v4(value) ⇒ Object

With the advent of v4 signing, we can skip the complex translation from v2 and ship the JSON over with nearly the same structure.



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# File 'lib/elasticity/aws_utils.rb', line 15

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