public void visit(WebServiceCallActivity activity) {
OperationPipeline pipeline = opNode.getPipeline();
EntityFilterProvider<WebServiceCallActivity> filter =
pipeline.getType().getWebServiceCallActivityFilterProvider(pipeline);
Receiver<WebServiceCall> receiver = ActivityContentAcceptor.create(controller, opNode, activity);
WebServiceCallContentProvider p = new WebServiceCallContentProvider(controller.getProject(), filter, receiver);
configure(p);
addContentProviderActions(popup, activity, p);
addAssignPluginAction(popup);
}