JMXPollUtil.java 文件源码

public static Map<String, Map<String, String>> getAllMBeans() {
  Map<String, Map<String, String>> mbeanMap = Maps.newHashMap();
  Set<ObjectInstance> queryMBeans = null;
  try {
    queryMBeans = mbeanServer.queryMBeans(null, null);
  } catch (Exception ex) {
    LOG.error("Could not get Mbeans for monitoring", ex);
    Throwables.propagate(ex);
  }
  for (ObjectInstance obj : queryMBeans) {
    try {
      if (!obj.getObjectName().toString().startsWith("org.apache.flume")) {
        continue;
      }
      MBeanAttributeInfo[] attrs = mbeanServer.getMBeanInfo(obj.getObjectName()).getAttributes();
      String[] strAtts = new String[attrs.length];
      for (int i = 0; i < strAtts.length; i++) {
        strAtts[i] = attrs[i].getName();
      }
      AttributeList attrList = mbeanServer.getAttributes(obj.getObjectName(), strAtts);
      String component = obj.getObjectName().toString().substring(
          obj.getObjectName().toString().indexOf('=') + 1);
      Map<String, String> attrMap = Maps.newHashMap();

      for (Object attr : attrList) {
        Attribute localAttr = (Attribute) attr;
        if (localAttr.getName().equalsIgnoreCase("type")) {
          component = localAttr.getValue() + "." + component;
        }
        attrMap.put(localAttr.getName(), localAttr.getValue().toString());
      }
      mbeanMap.put(component, attrMap);
    } catch (Exception e) {
      LOG.error("Unable to poll JMX for metrics.", e);
    }
  }
  return mbeanMap;
}