public void attributeReplaced(ServletContextAttributeEvent evt) {
final String name = evt.getName();
if (!shallIgnore(name)) {
final WebApp wapp = WebManager.getWebAppIfAny(evt.getServletContext());
if (wapp instanceof SimpleWebApp)
((SimpleWebApp) wapp).getScopeListeners().notifyReplaced(name, evt.getValue());
}
}
public void sessionDestroyed(HttpSessionEvent evt) {
// Note: Session Fixation Protection (such as Spring Security)
// might invalidate HTTP session and restore with a new one.
// Thus, we use an attribute to denote this case and avoid the callback
final HttpSession hsess = evt.getSession();
if (hsess.getAttribute(Attributes.RENEW_NATIVE_SESSION) == null)
WebManager.sessionDestroyed(hsess);
}
public void contextInitialized(ServletContextEvent event) {
/*
* From latest servlet specification:
* All ServletContextListeners are notified of context initialization
* before any filters or servlets in the web application are initialized.
*
* The servlet specification of Version 2.3 only provide the description
* "Notification that the web application is ready to process requests.",
* the order of initialization of listeners and servlets
* may not guaranteed in older servlet version.
*
* @since 6.0.1
*/
final ServletContext ctx = event.getServletContext();
if (WebManager.getWebManagerIfAny(ctx) == null) {
_webman = new WebManager(ctx, "/zkau");
_webmanCreated = true;
}
}
private boolean dispatch(Writer out, String page, Map params, int mode, boolean include)
throws IOException, ServletException {
// FUTURE: handle if ~./, PASS_THRU_ATTR and with query string
// In other words, we convert query string to params if
// PASS_THRU_ATTR and ~./ (to have a better performance)
if ((mode != PASS_THRU_ATTR && params != null)
|| !page.startsWith("~./")
|| page.indexOf('?') >= 0) return false;
// Bug 1801028: We cannot invoke ZumlExtendlet directly
// The real reason is unknown yet -- it could be due to
// the re-creation of ExecutionImpl
// However, the performance is not a major issue, so just skip
final ClassWebResource cwr = WebManager.getWebManager(_ctx).getClassWebResource();
if (!isDirectInclude(cwr, page)) return false;
Object old = null;
if (mode == PASS_THRU_ATTR) {
old = _request.getAttribute(Attributes.ARG);
if (params != null) _request.setAttribute(Attributes.ARG, params);
// If params=null, use the 'inherited' one (same as Servlets.include)
}
final String attrnm =
include ? "org.zkoss.web.servlet.include" : "org.zkoss.web.servlet.forward";
_request.setAttribute(attrnm, Boolean.TRUE);
// so Servlets.isIncluded returns correctly
try {
cwr.service(_request, HttpBufferedResponse.getInstance(_response, out), page.substring(2));
} finally {
_request.removeAttribute(attrnm);
if (mode == PASS_THRU_ATTR) _request.setAttribute(Attributes.ARG, old);
}
return true;
}
public void contextDestroyed(ServletContextEvent arg0) {
if (_webman != null) {
if (_webmanCreated) _webman.destroy();
_webman = null;
}
}
WebApp getWebApp() {
return _webctx != null
? WebManager.getWebManager(_webctx.getServletContext()).getWebApp()
: null;
}
