code: public String getModuleConfPath( String modulePath )
      {
          if ( _moduleConfigLocators != null )
          {
              for ( int i = 0; i < _moduleConfigLocators.length; ++i )
              {
                  ModuleConfigLocator locator = _moduleConfigLocators[i];
                  String moduleConfigPath = locator.getModuleConfigPath( modulePath );
                  
                  try
                  {
                      if ( getConfigResource( moduleConfigPath ) != null ) return moduleConfigPath;
                  }
                  catch ( MalformedURLException e )
                  {
                      _log.error( "ModuleConfigLocator " + locator.getClass().getName()
                                  + " returned an invalid path: " + moduleConfigPath + '.', e );
                  }
              }
          }
          
          return null;
      }
docs: Get the webapp-relative path to the Struts module configration file for a given module path,
  based on registered ModuleConfigLocators.
  
  @param modulePath the Struts module path.
  @return a String that is the path to the Struts configuration file, relative to the web application root,
  or <code>null</code> if no appropriate configuration file is found.
  @see #getDefaultModuleConfigLocators