def xml2json(src) {
    def children = src.children()

    if (children?.size() == 1 && children[0] instanceof String) {
      if (src.attributes()) {
        def attributes = src.attributes()
        def output = [:]
        attributes.each{
          attribute -> output[attribute.key] = attribute.value
        }
        output.value = children[0]
        return output
      } else {
        return children[0]
      }
    }

    // initializing object to be returned.
    def jsonResult = [:];
//
    children.each{
      child ->
//      // checking is child has siblings of same name.
        def childIsArray = children.findAll{eachChild -> eachChild.name() == child.name()}?.size() > 1
      // if child is array, save the values as array, else as strings.
        if(childIsArray) {
          if (!jsonResult.containsKey(child.name())) {
            if (src.attributes()) {
              def attributes = src.attributes()
              attributes.each{
                attribute -> jsonResult[attribute.key] = attribute.value
              }
            }
            jsonResult[child.name()] = [xml2json(child)]
          } else {
            jsonResult[child.name()] += (xml2json(child))
          }
        } else {
          jsonResult[child.name()] = xml2json(child)
        }
    }
    return jsonResult
  }