docs: private String primGetName(String key) {
          String name = key;
          final IPersonAttributes personAttributes = this.paDao.getPerson(name);
          if (personAttributes != null) {
              Object displayName = personAttributes.getAttributeValue("displayName");
              String displayNameStr = "";
              if (displayName != null) {
                  displayNameStr = String.valueOf(displayName);
                  if (StringUtils.isNotEmpty(displayNameStr)) {
                      name = displayNameStr;
                  }
              }
          }
          return name;
      }