Class: CerberusUtils::Http

Inherits:
Object
  • Object
show all
Defined in:
lib/cerberus_utils/http.rb

Instance Method Summary collapse

Instance Method Details

#make_http_call(uri, method, use_ssl, json_data = nil, headers_map = nil) ⇒ Object

Generic HTTP handler for Cerberus Client needs uri: the fully qualified URI object to call method: the HTTP method to use’ use_ssl: boolean - use HTTPS or not json_data: if not nil, made the request body and ‘Content-Type’ header is set to “application/json” headers: if not nil, should be a HashMap of header Key, Values



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# File 'lib/cerberus_utils/http.rb', line 22

def make_http_call(uri, method, use_ssl, json_data = nil, headers_map = nil)

  begin
    CerberusUtils::Log.instance.debug("Http::make_http_call -> uri: #{uri}, method: #{method}, use_ssl: #{use_ssl}, json_data: #{json_data}")

    http = Net::HTTP.new(uri.host, uri.port)

    request =
        case method
          when 'GET'
            Net::HTTP::Get.new(uri.request_uri)
          when 'POST'
            Net::HTTP::Post.new(uri.request_uri)
          else
            raise NotImplementedError
        end

    if(json_data != nil); request.body = "#{json_data}"; request['Content-Type'] = "application/json"; end

    if(headers_map != nil); headers_map.each{ |headerKey, headerValue| request[headerKey] = headerValue } end
    request['X-Cerberus-Client'] = "CerberusRubyClient/#{CerberusUtils::VERSION}"

    puts request
    http.use_ssl = use_ssl
    response = http.request(request)

    # this is just for convenience handling down the stack... response object inclucded with the exception
    if(response.code.to_i < 200 || response.code.to_i >= 300)
      raise Cerberus::Exception::HttpError.new(
          "Http response code is non-2xx value: #{response.code}, #{response.body}",
          response)
    end

    return response

  rescue => ex
    # log a warning
    Log.instance.warn("Exception executing http: #{ex.message}, ex.class #{ex.class}")

    # check to see if we threw the Http error with a response object
    response = (ex.instance_of?(Cerberus::Exception::HttpError)) ? ex.response : nil

    # raise a specific error that some policy can be enforced on
    raise Cerberus::Exception::HttpError.new(ex.message, response)
  end
end