code: @Override
      public List<String> setTargetHostsFromString(String targetHostsStr) {
  
          List<String> targetHosts = new ArrayList<String>();
          if (targetHostsStr != null) {
              boolean removeDuplicate = true;
              targetHosts.addAll(PcTargetHostsUtils
                      .getNodeListFromStringLineSeperateOrSpaceSeperate(
                              targetHostsStr, removeDuplicate));
          }
  
          return targetHosts;
      }
docs: /*
  (non-Javadoc)
  
  @see io.parallec.core.taskbuilder.targethosts.ITargetHostsBuilder#
  setTargetHostsFromString(java.lang.String)