code: public String getSystemLockInfo(boolean forExplorer) {
  
          if (getLock().getSystemLock().isPublish()) {
              if (!forExplorer) {
                  return getMessages().key(Messages.GUI_PUBLISH_TOOLTIP_0);
              } else {
                  // see explorer.js(sysLockInfo) and top_js.jsp(publishlock)
                  return "p"; // should have length == 1
              }
          }
          return "";
      }
docs: Returns the system lock information tooltip for the explorer view.<p>
  
  @param forExplorer if the tool tip should be generated for the explorer view
  
  @return the system lock information tooltip