code: public ServerHandle detect(MBeanServerExecutor pMBeanServerExecutor) {
          String serverVersion =
                  getSingleStringAttribute(pMBeanServerExecutor, "*:j2eeType=J2EEServer,type=Server,*", "serverVersion");
          if (serverVersion != null && serverVersion.contains("WebSphere")) {
              Matcher matcher = SERVER_VERSION_PATTERN.matcher(serverVersion);
              if (matcher.find()) {
                  String version = matcher.group(1);
                  String date = matcher.group(2);
                  JSONObject extraInfo = new JSONObject();
                  if (date != null) {
                      extraInfo.put("buildDate",date);
                  }
                  return new WebsphereServerHandle(version, extraInfo.size() > 0 ? extraInfo : null);
              }
              return null;
          } else if (isWebsphere) {
              return new WebsphereServerHandle(isWebsphere6 ? "6" : "7 or 8", null);
          }
          return null;
      }
docs: {@inheritDoc}
  @param pMBeanServerExecutor