# File lib/fog/aws/requests/elb/set_load_balancer_listener_ssl_certificate.rb, line 37
        def set_load_balancer_listener_ssl_certificate(lb_name, load_balancer_port, ssl_certificate_id)
          raise Fog::AWS::ELB::NotFound unless load_balancer = self.data[:load_balancers][lb_name]

          certificate_ids = Fog::AWS::IAM::Mock.data[@aws_access_key_id][:server_certificates].map {|n, c| c['Arn'] }
          if !certificate_ids.include? ssl_certificate_id
            raise Fog::AWS::IAM::NotFound.new('CertificateNotFound')
          end

          response = Excon::Response.new

          unless listener = load_balancer['ListenerDescriptions'].find { |listener| listener['Listener']['LoadBalancerPort'] == load_balancer_port }
            response.status = 400
            response.body = "<?xml version=\"1.0\"?><Response><Errors><Error><Code>ListenerNotFound</Code><Message>LoadBalancer does not have a listnener configured at the given port.</Message></Error></Errors><RequestID>#{Fog::AWS::Mock.request_id}</RequestId></Response>"
            raise Excon::Errors.status_error({:expects => 200}, response)
          end

          listener['Listener']['SSLCertificateId'] = ssl_certificate_id

          response.status = 200
          response.body = {
            "ResponseMetadata" => {
              "RequestId" => Fog::AWS::Mock.request_id
            }
          }

          response
        end