/** Start a context and set up default values. */
protected AuraContext setupContext(
Mode mode, Format format, DefDescriptor<? extends BaseComponentDef> desc)
throws QuickFixException {
ContextService contextService = Aura.getContextService();
AuraContext ctxt =
contextService.startContext(mode, format, Authentication.AUTHENTICATED, desc);
ctxt.setFrameworkUID(Aura.getConfigAdapter().getAuraFrameworkNonce());
String uid = ctxt.getDefRegistry().getUid(null, desc);
ctxt.addLoaded(desc, uid);
return ctxt;
}
private DefDescriptor<ApplicationDef> startAppContext(String markup) {
DefDescriptor<ApplicationDef> app = addSourceAutoCleanup(ApplicationDef.class, markup);
if (Aura.getContextService().isEstablished()) {
Aura.getContextService().endContext();
}
AuraContext ctx =
Aura.getContextService()
.startContext(
AuraContext.Mode.UTEST,
AuraContext.Format.JSON,
AuraContext.Authentication.UNAUTHENTICATED,
app);
ctx.setFrameworkUID("#FAKEUID#");
return app;
}
/**
* Write out the manifest.
*
* <p>This writes out the full manifest for an application so that we can use the AppCache.
*
* <p>The manifest contains CSS and JavaScript URLs. These specified resources are copied into the
* AppCache with the HTML template. When the page is reloaded, the existing manifest is compared
* to the new manifest. If they are identical, the resources are served from the AppCache.
* Otherwise, the resources are requested from the server and the AppCache is updated.
*
* @param request the request
* @param response the response
* @param context the context
* @throws IOException if unable to write out the response
*/
@Override
public void write(HttpServletRequest request, HttpServletResponse response, AuraContext context)
throws IOException {
servletUtilAdapter.setNoCache(response);
try {
Map<String, Object> attributes = getComponentAttributes(request);
//
// First, we make sure that the manifest is enabled.
//
if (!manifestUtil.isManifestEnabled(request)) {
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
return;
}
//
// Now we validate the cookie, which includes loop detection.
// this routine sets the response code.
//
if (!manifestUtil.checkManifestCookie(request, response)) {
return;
}
boolean appOk = false;
DefDescriptor<? extends BaseComponentDef> descr = null;
try {
descr = context.getApplicationDescriptor();
if (descr != null) {
definitionService.updateLoaded(descr);
appOk = true;
}
} catch (QuickFixException qfe) {
//
// ignore qfe, since we really don't care... the manifest will be 404ed.
// This will eventually cause the browser to give up. Note that this case
// should almost never occur, as it requires the qfe to be introduced between
// the initial request (which will not set a manifest if it gets a qfe) and
// the manifest request.
//
} catch (ClientOutOfSyncException coose) {
//
// In this case, we want to force a reload... A 404 on the manifest is
// supposed to handle this. we hope that the client will do the right
// thing, and reload everything. Note that this case really should only
// happen if the client already has content, and thus should be refreshing
// However, there are very odd edge cases that we probably can't detect
// without keeping server side state, such as the case that something
// is updated between the initial HTML request and the manifest request.
// Not sure what browsers will do in this case.
//
}
if (!appOk) {
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
return;
}
//
// This writes both the app and framework signatures into
// the manifest, so that if either one changes, the
// manifest will change. Note that in most cases, we will
// write these signatures in multiple places, but we just
// need to make sure that they are in at least one place.
//
Map<String, Object> attribs = Maps.newHashMap();
String appUid = getContextAppUid(context);
String nonce = configAdapter.getAuraFrameworkNonce();
// Since we don't get the UID from our URL, we set it here.
context.setFrameworkUID(nonce);
attribs.put(LAST_MOD, String.format("app=%s, FW=%s", appUid, nonce));
attribs.put(UID, appUid);
StringWriter sw = new StringWriter();
String resetCssUrl = configAdapter.getResetCssURL();
if (resetCssUrl != null) {
sw.write(resetCssUrl);
sw.write('\n');
}
for (String s : servletUtilAdapter.getStyles(context)) {
sw.write(s);
sw.write('\n');
}
for (String s : servletUtilAdapter.getScripts(context, true, true, attributes)) {
sw.write(s);
sw.write('\n');
}
// Add locker service safe eval worker url
String lockerWorkerURL = configAdapter.getLockerWorkerURL();
if (lockerWorkerURL != null) {
sw.write(lockerWorkerURL);
sw.write('\n');
}
// Add in any application specific resources
if (descr != null && descr.getDefType().equals(DefType.APPLICATION)) {
ApplicationDef def = (ApplicationDef) descr.getDef();
for (String s : def.getAdditionalAppCacheURLs()) {
if (s != null) {
sw.write(s);
sw.write('\n');
}
}
}
attribs.put(RESOURCE_URLS, sw.toString());
DefDescriptor<ComponentDef> tmplDesc =
definitionService.getDefDescriptor("ui:manifest", ComponentDef.class);
Component tmpl = instanceService.getInstance(tmplDesc, attribs);
renderingService.render(tmpl, response.getWriter());
} catch (Exception e) {
Aura.getExceptionAdapter().handleException(e);
// Can't throw exception here: to set manifest OBSOLETE
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
}
}