private List<String> getParameters(RunConfigInternal runConfig) { List<String> params = new ArrayList<String>(3); params.add(WEB_SERVER_PARAM); params.add(runConfig.getServer()); String relativeDocumentRoot = runConfig.getRelativeDocumentRoot(); if (relativeDocumentRoot != null) { params.add(DOCUMENT_ROOT_PARAM); params.add(relativeDocumentRoot); } String routerRelativePath = runConfig.getRouterRelativePath(); if (StringUtils.hasText(routerRelativePath)) { params.add(routerRelativePath); } return params; }