private String getConfigPortValue(Map<String, String> yarnConfig, String property, String defaultValue) {
    return yarnConfig.containsKey(property) ? yarnConfig.get(property).split(":")[1] : defaultValue;
  }
Resource manager specific HTTP property request.
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ResourceManagerHttpPropertyRequest.java