/*
Saves the result of the current request on the session, does a 302
redirect into a direct action to clear the browser history. In the
handler of redirect request, it returns the page that was saved on
the request.
*/
protected AWResponse clearBrowserHistory(
AWRequestContext requestContext, AWComponent actionResultsComponent) {
AWPage actionResultsPage = actionResultsComponent.page();
actionResultsPage.ensureAwake(requestContext);
// This rewrites the DirectAction request URL into a ComponentAction
// request URL in the browser by using a redirect.
// Note [sessionless requests]: ordering of condition is important. Let
// component declare "non-refresh" (no cache or no redirect) before
// attempting to interact with the session -- allows for "sessionless"
// direct actions. This is important since we always attempt to
// rendevous with the session id now. Fixes race condition at logout
// in suite integrated mode. LogoutAck from another app starts processing
// before ClientLogout for authenticator is complete. RequestContext for
// LogoutAck starts off with a valid sessionid, but by the time it gets
// here, the session has been invalidated. LogoutAck needs to be
// completely sessionless.
if (AWComponentActionRequestHandler.IsFormPostRedirectEnabled
&& actionResultsComponent.shouldCachePage()
&& actionResultsComponent.shouldRedirect()
&& requestContext.session(false) != null
&& !requestContext.isIncrementalUpdateRequest()) {
// This saves the actual page and not the redirect page. When the
// redirect fires it will restore the saved page, which should be
// treated as a refreshRequest (no applyValues/invokeAction).
// associate a response id with the current request for page
// history maintenance
AWSession session = requestContext.session();
session.incrementResponseId();
AWApplication application = application();
AWRedirect redirectComponent =
(AWRedirect) application.createPageWithName(AWRedirect.PageName, requestContext);
String effectiveUrl =
AWComponentActionRequestHandler.SharedInstance.refreshUrl(requestContext);
effectiveUrl = AWUtil.urlAddingQueryValue(effectiveUrl, DirectActionRedirectKey, "1");
redirectComponent.setUrl(effectiveUrl);
redirectComponent.setSelfRedirect(true);
requestContext.setPage(redirectComponent.page());
actionResultsPage.ensureAsleep();
Log.aribaweb.debug("Sending redirect to clear browser history");
} else {
requestContext.setPage(actionResultsPage);
}
// We need to check for the existence of a session and save the page
// before generateResponse in order to maintain uniformity with
// AWComponentActionRequestHandler.
// Since generateResponse() can cause a new session to be
// associated with the request, we need to make sure we try save
// the page after generateResponse if the page was not already saved.
boolean pageSaved = attemptSavePage(requestContext, actionResultsPage);
AWResponse response = requestContext.generateResponse();
if (!pageSaved) {
attemptSavePage(requestContext, actionResultsPage);
}
return response;
}
