Hash.from_xml using Nokogiri

# USAGE: Hash.from_xml:(YOUR_XML_STRING)
require 'nokogiri'
# modified from http://stackoverflow.com/questions/1230741/convert-a-nokogiri-document-to-a-ruby-hash/1231297#1231297

class Hash
  class << self
    def from_xml(xml_string) 
      begin
        result = Nokogiri::XML.parse(xml_string)
        return { result.root.name.to_s => xml_node_to_hash(result.root)} 
      rescue Exception => e
        # raise your custom exception here
      end
    end 

    def xml_node_to_hash(node) 
      # If we are at the root of the document, start the hash 
      if node.element?
        result_hash = {}
        if node.attributes != {}
          result_hash[:attributes] = {}
          node.attributes.keys.each do |key|
            result_hash[:attributes][node.attributes[key].name.to_sym] = node.attributes[key].value
          end
        end
        if node.children.size > 0
          node.children.each do |child| 
            result = xml_node_to_hash(child) 

            if child.name == "text"
              unless child.next_sibling || child.previous_sibling
                return result
              end
            elsif result_hash[child.name.to_sym]
              if result_hash[child.name.to_sym].is_a?(Object::Array)
                result_hash[child.name.to_sym] << result
              else
                result_hash[child.name.to_sym] = [result_hash[child.name.to_sym]] << result
              end
            else 
              result_hash[child.name.to_sym] = result
            end
          end

          return result_hash 
        else 
          puts node.name
          return result_hash
        end 
      else 
        return node.content.to_s 
      end 
    end          
  end
end