final XmlFile webXmlFile = configFile.getXmlFile();
final WebApp webApp = JamCommonUtil.getRootElement(webXmlFile, WebApp.class, null);
if (webApp == null) return;
if (!FileModificationService.getInstance().prepareFileForWrite(webXmlFile)) return;
final Filter strutsFilter = webApp.addFilter();
strutsFilter.getFilterName().setStringValue("struts2");
@NonNls final String filterClass = templateProvider.is21orNewer() ?
StrutsConstants.STRUTS_2_1_FILTER_CLASS :
StrutsConstants.STRUTS_2_0_FILTER_CLASS;