Method: HP::Cloud::ErrorResponse#parse_error

Defined in:
lib/hpcloud/error_response.rb

#parse_error(response) ⇒ Object

pull the error message out of an JSON response



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# File 'lib/hpcloud/error_response.rb', line 42

def parse_error(response)
  ret = ''
  code = nil
  message = nil
  details = nil
  if (response.respond_to?(:status))
    code = response.status.to_s
  end
  if (response.respond_to?(:body))
    details = response.body.to_s
    begin
      err_msg = MultiJson.decode(response.body)
      err_msg.map { |_,v|
        if ! v.kind_of? Hash
          message = v.to_s
          next
        end
        code = v["code"].to_s if v.has_key?("code")
        message = v["message"] if v.has_key?("message")
        details = nil
        details = v["details"] if v.has_key?("details")
      }
    rescue MultiJson::DecodeError => error
    end
  else
    message = "Unknown error response: " + response.to_s
  end
  ret += code + " " unless code.nil?
  ret += message unless message.nil?
  unless details.nil?
    ret += ": " unless ret.empty?
    ret += details
  end
  return ret
end