final URL url = parseURL(value, myActionExtension);
if (url == null) {
return;
}
final JspFile jspFile = JspPsiUtil.getJspFile(value);
assert jspFile != null;
if (!FileModificationService.getInstance().prepareFileForWrite(jspFile)) return;
XmlTag rootTag = jspFile.getRootTag();
String prefix = rootTag.getPrefixByNamespace(StrutsConstants.TAGLIB_STRUTS_UI_URI);
if (StringUtil.isEmpty(prefix)) {
XmlNamespaceHelper extension = XmlNamespaceHelper.getHelper(jspFile);
prefix = ExtendedTagInsertHandler.suggestPrefix(jspFile, StrutsConstants.TAGLIB_STRUTS_UI_URI);