Method: Soaspec::RestHandler#value_from_path

Defined in:
lib/soaspec/exchange_handlers/rest_handler.rb

#value_from_path(response, path, attribute: nil) ⇒ String

Based on a exchange, return the value at the provided xpath If the path does not begin with a ‘/’, a ‘//’ is added to it

Parameters:

  • response (RestClient::Response) —

    Response from API

  • path (Object) —

    Xpath, JSONPath or other path identifying how to find element

  • attribute (String) (defaults to: nil) —

    Generic attribute to find. Will override path

Returns:

  • (String) —

    Value at Xpath



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# File 'lib/soaspec/exchange_handlers/rest_handler.rb', line 190

def value_from_path(response, path, attribute: nil)
  path = path.to_s
  case Interpreter.response_type_for(response)
  when :xml
    result = xpath_elements_for(response: response, xpath: path, attribute: attribute).first
    raise NoElementAtPath, "No value at Xpath '#{prefix_xpath(path, attribute)}' in '#{response.body}'" unless result
    return result.inner_text if attribute.nil?

    return result.attributes[attribute].inner_text
  when :json
    matching_values = calculated_json_path_matches(path, response, attribute, not_empty: true)
    matching_values.first
  else # Assume this is a String
    raise NoElementAtPath, 'Response is empty' if response.to_s.empty?

    response.to_s[/#{path}/] # Perform regular expression using path if not XML nor JSON
  end
end