ads_common/lib/ads_common/config.rb
def find_value(data, path)
      return (path.nil? or data.nil?) ? nil :
          path.split('.').inject(data) do |node, section|
            break if node.nil?
            key = section.to_sym
            (node.is_a?(Hash) and node.include?(key)) ? node[key] : nil
          end
    end
def find_value(data, path)
      return (path.nil? or data.nil?) ? nil :
          path.split('.').inject(data) do |node, section|
            break if node.nil?
            key = section.to_sym
            (node.is_a?(Hash) and node.include?(key)) ? node[key] : nil
          end
    end
Finds a value for string of format 'level1.level2.name' in a given hash.