code: protected CmsResource internalOrgUnitFolder(CmsDbContext dbc, CmsOrganizationalUnit orgUnit) throws CmsException {
  
          if (orgUnit != null) {
              return m_driverManager.readResource(
                  dbc,
                  ORGUNIT_BASE_FOLDER + orgUnit.getName(),
                  CmsResourceFilter.DEFAULT);
          } else {
              return null;
          }
      }
docs: Returns the folder for the given organizational units, or the base folder if <code>null</code>.<p>
  
  The base folder will be created if it does not exist.<p>
  
  @param dbc the current db context
  @param orgUnit the organizational unit to get the folder for
  
  @return the base folder for organizational units
  
  @throws CmsException if something goes wrong