java 中怎么访问windows安全日志

//查询window日志
public void queryWindowsData(String ip,String user,String space,String password,String domain)
{
   try
   {
      //创建session认证连接
      JISession dcomSession =JISession.createSession(domain,user,password);
      dcomSession.useSessionSecurity(true);
      JIProgId progId = JIProgId.valueOf("WbemScripting.SWbemLocator");
      progId.setAutoRegistration(true);
      JIComServer comServer = new JIComServer(progId, ip,
            dcomSession);
      IJIDispatch wbemLocator = (IJIDispatch) JIObjectFactory.narrowObject(comServer.createInstance().queryInterface(IJIDispatch.IID));
      //parameterstoconnecttoWbemScripting.SWbemLocator
      JIVariant[] results = wbemLocator.callMethodA("ConnectServer", new Object[]{
            JIVariant.OPTIONAL_PARAM(),
            (space == null) ? JIVariant.OPTIONAL_PARAM() : new JIString(space)
            , JIVariant.OPTIONAL_PARAM(), JIVariant.OPTIONAL_PARAM(),
            JIVariant.OPTIONAL_PARAM() ,
            JIVariant.OPTIONAL_PARAM() ,
            0 ,
            JIVariant.OPTIONAL_PARAM()
      });
      IJIDispatch wbemServices=(IJIDispatch)JIObjectFactory.narrowObject(results[0].getObjectAsComObject());
      //String sql = "SELECT * FROM Win32_ComputerSystem";
      SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
      Calendar cc=Calendar.getInstance();
      //utc时间-8 
      //eventcode = 4769 表示通过加域登录的用户
      cc.add(Calendar.HOUR_OF_DAY, -9);//1小时前 ,8是减去UTC时间
      String dateString = sdf.format(cc.getTime());
      //WQL查询日志
      String QUERY_FOR_ALL_LOG_EVENTS = "Select * from Win32_NTLogEvent Where Logfile = 'Security' and " +
            "EventCode = '4769' and EventType = 4 and TimeWritten >' "+dateString+"'";

      try {
         results = wbemServices.callMethodA("ExecQuery", new Object[]{new JIString(QUERY_FOR_ALL_LOG_EVENTS), JIVariant.OPTIONAL_PARAM(),           JIVariant.OPTIONAL_PARAM(), JIVariant.OPTIONAL_PARAM()});
         IJIDispatch wOSd = (IJIDispatch) JIObjectFactory.narrowObject((results[0]).getObjectAsComObject());

         int count = wOSd.get("Count").getObjectAsInt();

         IJIComObject enumComObject = wOSd.get("_NewEnum").getObjectAsComObject();
         IJIEnumVariant enumVariant = (IJIEnumVariant) JIObjectFactory.narrowObject(enumComObject.queryInterface(IJIEnumVariant.IID));

         IJIDispatch wbemObject_dispatch = null;

         for (int c = 0; c < count; c++) {

            Object[] values = enumVariant.next(1);
            JIArray array = (JIArray) values[0];
            Object[] arrayObj = (Object[]) array.getArrayInstance();
            for (int j = 0; j < arrayObj.length; j++) {
               // (IJIDispatch) JIObjectFactory.narrowObject(((JIVariant) arrayObj[j]).
               wbemObject_dispatch = (IJIDispatch) JIObjectFactory.narrowObject(((JIVariant) arrayObj[j]).getObjectAsComObject());
            }
            String str = (wbemObject_dispatch.callMethodA("GetObjectText_", new Object[]{1}))[0]
                  .getObjectAsString2();
            query(str);

         }

      } catch (JIException e) {
         e.printStackTrace();
      }
   }
   catch (Exception e)
   {
      e.printStackTrace();
   }
}