private void restoreView(FacesContext context) throws FacesException {
Application app = context.getApplication();
if (app instanceof ApplicationImpl) ((ApplicationImpl) app).initRequest();
ViewHandler view = app.getViewHandler();
view.initView(context);
UIViewRoot viewRoot = context.getViewRoot();
if (viewRoot != null) {
ExternalContext extContext = context.getExternalContext();
viewRoot.setLocale(extContext.getRequestLocale());
doSetBindings(context.getELContext(), viewRoot);
return;
}
String viewId = calculateViewId(context);
String renderKitId = view.calculateRenderKitId(context);
RenderKitFactory renderKitFactory =
(RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
RenderKit renderKit = renderKitFactory.getRenderKit(context, renderKitId);
ResponseStateManager stateManager = renderKit.getResponseStateManager();
if (stateManager.isPostback(context)) {
viewRoot = view.restoreView(context, viewId);
if (viewRoot != null) {
doSetBindings(context.getELContext(), viewRoot);
} else {
// XXX: backward compat issues with ViewHandler and StateManager
// throw new ViewExpiredException(L.l("{0} is an expired view", viewId));
context.renderResponse();
viewRoot = view.createView(context, viewId);
context.setViewRoot(viewRoot);
}
context.setViewRoot(viewRoot);
} else {
context.renderResponse();
viewRoot = view.createView(context, viewId);
context.setViewRoot(viewRoot);
}
}
public static void refresh() {
FacesContext context = FacesContext.getCurrentInstance();
Application application = context.getApplication();
ViewHandler viewHandler = application.getViewHandler();
UIViewRoot viewRoot = viewHandler.createView(context, context.getViewRoot().getViewId());
context.setViewRoot(viewRoot);
}
public UIViewRoot createView(FacesContext arg0, String arg1) {
UIViewRoot root = m_wrapped.createView(arg0, arg1);
if (root != null) {
// restore messages
MessageSaver.restoreMessages(arg0);
}
return root;
}
/** Reload the current active page. */
public static void reloadPage() {
FacesContext context = FacesContext.getCurrentInstance();
String viewId = context.getViewRoot().getViewId();
ViewHandler handler = context.getApplication().getViewHandler();
UIViewRoot root = handler.createView(context, viewId);
root.setViewId(viewId);
context.setViewRoot(root);
}
/**
* Determine the next view based on the current view (<code>from-view-id</code> stored in <code>
* FacesContext</code>), <code>fromAction</code> and <code>outcome</code>.
*
* @param context The <code>FacesContext</code>
* @param fromAction the action reference string
* @param outcome the outcome string
*/
public void handleNavigation(FacesContext context, String fromAction, String outcome) {
if (context == null) {
String message =
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "context");
throw new NullPointerException(message);
}
if (outcome == null) {
return; // Explicitly remain on the current view
}
CaseStruct caseStruct = getViewId(context, fromAction, outcome);
ExternalContext extContext = context.getExternalContext();
if (caseStruct != null) {
ViewHandler viewHandler = Util.getViewHandler(context);
assert (null != viewHandler);
if (caseStruct.navCase.isRedirect()) {
// perform a 302 redirect.
String newPath = viewHandler.getActionURL(context, caseStruct.viewId);
try {
if (logger.isLoggable(Level.FINE)) {
logger.fine(
"Redirecting to path "
+ newPath
+ " for outcome "
+ outcome
+ "and viewId "
+ caseStruct.viewId);
}
// encode the redirect to ensure session state
// is maintained
extContext.redirect(extContext.encodeActionURL(newPath));
} catch (java.io.IOException ioe) {
if (logger.isLoggable(Level.SEVERE)) {
logger.log(Level.SEVERE, "jsf.redirect_failed_error", newPath);
}
throw new FacesException(ioe.getMessage(), ioe);
}
context.responseComplete();
if (logger.isLoggable(Level.FINE)) {
logger.fine("Response complete for " + caseStruct.viewId);
}
} else {
UIViewRoot newRoot = viewHandler.createView(context, caseStruct.viewId);
context.setViewRoot(newRoot);
if (logger.isLoggable(Level.FINE)) {
logger.fine("Set new view in FacesContext for " + caseStruct.viewId);
}
}
}
}
/**
* Jsf dispatch page.
*
* @param fctx the faces context
* @param page the pge
*/
private void jsfDispatchPage(FacesContext fctx, String page) {
LifecycleFactory lf =
(LifecycleFactory) FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
Lifecycle lifecycle = lf.getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE);
ViewHandler vh = fctx.getApplication().getViewHandler();
fctx.getViewRoot().setRenderKitId(vh.calculateRenderKitId(fctx));
fctx.setViewRoot(vh.createView(fctx, page));
// view rendering
try {
lifecycle.render(fctx);
} catch (Exception e) {
LOG.log(Level.INFO, "Error while rendering page. Attempting again" + page, e);
lifecycle.render(fctx);
} finally {
fctx.release();
}
}
@Override
public void beforePhase(PhaseEvent event) {
FacesContext facesContext = event.getFacesContext();
ExternalContext externalContext = facesContext.getExternalContext();
HttpSession httpSession = (HttpSession) externalContext.getSession(false);
boolean newSession = (httpSession == null) || (httpSession.isNew());
boolean postBack = !externalContext.getRequestParameterMap().isEmpty();
boolean timedOut = postBack && newSession;
if (timedOut) {
Application application = facesContext.getApplication();
ViewHandler viewHandler = application.getViewHandler();
UIViewRoot view = viewHandler.createView(facesContext, "/main.xhtml");
facesContext.setViewRoot(view);
facesContext.renderResponse();
try {
viewHandler.renderView(facesContext, view);
facesContext.responseComplete();
} catch (Exception e) {
throw new FacesException("Session timed out", e);
}
}
}
// executa antes de qualquer renderizar ao usuário
public void beforePhase(PhaseEvent event) {
FacesContext context = FacesContext.getCurrentInstance();
String viewId = context.getViewRoot().getViewId();
System.out.println("View ID:" + viewId);
// verifica as páginas que não possuem acesso externo
if (viewId.equals("/admin/formCategoria.xhtml")
|| viewId.equals("/admin/formProduto.xhtml")
|| viewId.equals("/admin/home.xhtml")
|| viewId.equals("/admin/mostrarCategorias.xhtml")
|| viewId.equals("/admin/mostrarProdutos.xhtml")
|| viewId.equals("/admin/mostrarCompras.xhtml")) {
// recupera os dados que estão em
// sessão em adminController
Application app = context.getApplication();
AdminController adminEmSessao =
(AdminController)
app.evaluateExpressionGet(context, "#{adminController}", AdminController.class);
// se não houver administrador logado
if (adminEmSessao.getAdmin().getId() == null) {
// armazena a página ao qual o usuário está
// tentando entrar em sessão
// através da classe AdminController
adminEmSessao.setOriginalViewId(viewId);
// em seguida, cria a árvore de componentes
// para a página admin.jsf
// que exigirá o login e senha
ViewHandler viewHandler = app.getViewHandler();
UIViewRoot viewRoot = viewHandler.createView(context, "/admin/admin.xhtml");
context.setViewRoot(viewRoot);
}
}
}
public UIViewRoot createView(FacesContext context, String strUID) {
UIViewRoot ret = viewHandler.createView(context, strUID);
return ret;
}
protected void execute(String renderRedirectViewId) throws BridgeException, IOException {
init(renderRequest, renderResponse, Bridge.PortletPhase.RENDER_PHASE);
// If the portlet mode has not changed, then restore the faces view root and messages that would
// have been saved during the ACTION_PHASE of the portlet lifecycle. Section 5.4.1 requires that
// the
// BridgeRequestScope must not be restored if there is a change in portlet modes detected.
boolean facesLifecycleExecuted = bridgeRequestScope.isFacesLifecycleExecuted();
bridgeRequestScope.restoreState(facesContext);
if (bridgeRequestScope.isPortletModeChanged()) {
bridgeRequestScopeCache.remove(bridgeRequestScope.getId());
}
// If a render-redirect URL was specified, then it is necessary to create a new view from the
// URL and place it
// in the FacesContext.
if (renderRedirectViewId != null) {
renderRequest.setAttribute(BridgeExt.RENDER_REDIRECT_AFTER_DISPATCH, Boolean.TRUE);
ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
UIViewRoot uiViewRoot = viewHandler.createView(facesContext, renderRedirectViewId);
facesContext.setViewRoot(uiViewRoot);
logger.debug("Performed render-redirect to viewId=[{0}]", renderRedirectViewId);
}
// NOTE: PROPOSE-FOR-BRIDGE3-API Actually, the proposal would be to REMOVE
// Bridge.IS_POSTBACK_ATTRIBUTE from the Bridge API, because JSF 2.0 introduced the
// FacesContext#isPostBack() method.
// http://javaserverfaces.java.net/nonav/docs/2.0/javadocs/javax/faces/context/FacesContext.html#isPostback()
if (bridgeRequestScope.getBeganInPhase() == Bridge.PortletPhase.ACTION_PHASE) {
ExternalContext externalContext = facesContext.getExternalContext();
externalContext.getRequestMap().put(Bridge.IS_POSTBACK_ATTRIBUTE, Boolean.TRUE);
}
logger.debug(
"portletName=[{0}] facesLifecycleExecuted=[{1}]", portletName, facesLifecycleExecuted);
// If the JSF lifecycle executed back in the ACTION_PHASE of the portlet lifecycle, then
if (facesLifecycleExecuted) {
// TCK TestPage054: prpUpdatedFromActionTest
PhaseEvent restoreViewPhaseEvent =
new PhaseEvent(facesContext, PhaseId.RESTORE_VIEW, facesLifecycle);
PhaseListener[] phaseListeners = facesLifecycle.getPhaseListeners();
for (PhaseListener phaseListener : phaseListeners) {
if (phaseListener instanceof IPCPhaseListener) {
phaseListener.afterPhase(restoreViewPhaseEvent);
break;
}
}
}
// Otherwise, in accordance with Section 5.2.6 of the Spec, execute the JSF lifecycle so that
// ONLY the
// RESTORE_VIEW phase executes. Note that this is accomplished by the
// RenderRequestPhaseListener.
else {
try {
ExternalContext externalContext = facesContext.getExternalContext();
String viewId = getFacesViewId(externalContext);
logger.debug("Executing Faces lifecycle for viewId=[{0}]", viewId);
} catch (BridgeException e) {
logger.error("Unable to get viewId due to {0}", e.getClass().getSimpleName());
throw e;
}
// Attach the JSF 2.2 client window to the JSF lifecycle so that Faces Flows can be utilized.
attachClientWindowToLifecycle(facesContext, facesLifecycle);
// Execute the JSF lifecycle.
facesLifecycle.execute(facesContext);
}
// If there were any "handled" exceptions queued, then throw a BridgeException.
Throwable handledException = getJSF2HandledException(facesContext);
if (handledException != null) {
throw new BridgeException(handledException);
}
// Otherwise, if there were any "unhandled" exceptions queued, then throw a BridgeException.
Throwable unhandledException = getJSF2UnhandledException(facesContext);
if (unhandledException != null) {
throw new BridgeException(unhandledException);
}
// Otherwise, if the PortletMode has changed, and a navigation-rule hasn't yet fired (which
// could have happened
// in the EVENT_PHASE), then switch to the appropriate PortletMode and navigate to the current
// viewId in the
// UIViewRoot.
if (bridgeRequestScope.isPortletModeChanged() && !bridgeRequestScope.isNavigationOccurred()) {
BridgeNavigationHandler bridgeNavigationHandler = getBridgeNavigationHandler(facesContext);
PortletMode fromPortletMode = bridgeRequestScope.getPortletMode();
PortletMode toPortletMode = renderRequest.getPortletMode();
bridgeNavigationHandler.handleNavigation(facesContext, fromPortletMode, toPortletMode);
}
// Determines whether or not lifecycle incongruities should be managed.
boolean manageIncongruities =
PortletConfigParam.ManageIncongruities.getBooleanValue(portletConfig);
// Now that we're executing the RENDER_PHASE of the Portlet lifecycle, before the JSF
// RENDER_RESPONSE phase is executed, we have to fix some incongruities between the Portlet
// lifecycle and the JSF lifecycle that may have occurred during the ACTION_PHASE of the Portlet
// lifecycle.
if (manageIncongruities) {
incongruityContext.makeCongruous(facesContext);
}
// Execute the RENDER_RESPONSE phase of the faces lifecycle.
logger.debug("Executing Faces render");
facesLifecycle.render(facesContext);
// Set the view history according to Section 5.4.3 of the Bridge Spec.
setViewHistory(facesContext.getViewRoot().getViewId());
// Spec 6.6 (Namespacing)
indicateNamespacingToConsumers(facesContext.getViewRoot(), renderResponse);
// If a render-redirect occurred, then
ExternalContext externalContext = facesContext.getExternalContext();
Writer writer = getResponseOutputWriter(externalContext);
Map<String, Object> requestMap = externalContext.getRequestMap();
Boolean renderRedirect = (Boolean) requestMap.remove(BridgeExt.RENDER_REDIRECT);
if ((renderRedirect != null) && renderRedirect) {
// Cleanup the old FacesContext since a new one will be created in the recursive method call
// below.
facesContext.responseComplete();
facesContext.release();
// If the render-redirect standard feature is enabled in web.xml or portlet.xml, then the
// ResponseOutputWriter has buffered up markup that must be discarded. This is because we
// don't want the
// markup from the original Faces view to be included with the markup of Faces view found in
// the
// redirect URL.
if (writer instanceof RenderRedirectWriter) {
RenderRedirectWriter responseOutputWriter = (RenderRedirectWriter) writer;
responseOutputWriter.discard();
}
// Recursively call this method with the render-redirect URL so that the RENDER_RESPONSE phase
// of the
// JSF lifecycle will be re-executed according to the new Faces viewId found in the redirect
// URL.
renderRedirectViewId = (String) requestMap.remove(BridgeExt.RENDER_REDIRECT_VIEW_ID);
execute(renderRedirectViewId);
}
// Otherwise,
else {
// In the case that a render-redirect took place, need to render the buffered markup to the
// response.
if (writer instanceof RenderRedirectWriter) {
RenderRedirectWriter responseOutputWriter = (RenderRedirectWriter) writer;
responseOutputWriter.render();
}
}
}
/**
* PRECONDITION: the necessary factories have been installed in the ServletContext attr set.
*
* <p>
*
* <p>POSTCONDITION: The facesContext has been initialized with a tree.
*/
public void execute(FacesContext facesContext) throws FacesException {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Entering RestoreViewPhase");
}
if (null == facesContext) {
throw new FacesException(
MessageUtils.getExceptionMessageString(MessageUtils.NULL_CONTEXT_ERROR_MESSAGE_ID));
}
// If an app had explicitely set the tree in the context, use that;
//
UIViewRoot viewRoot = facesContext.getViewRoot();
if (viewRoot != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Found a pre created view in FacesContext");
}
facesContext.getViewRoot().setLocale(facesContext.getExternalContext().getRequestLocale());
// do per-component actions
UIViewRoot root = facesContext.getViewRoot();
final PostRestoreStateEvent event = new PostRestoreStateEvent(root);
try {
root.visitTree(
VisitContext.createVisitContext(facesContext),
new VisitCallback() {
public VisitResult visit(VisitContext context, UIComponent target) {
event.setComponent(target);
target.processEvent(event);
return VisitResult.ACCEPT;
}
});
} catch (AbortProcessingException e) {
facesContext
.getApplication()
.publishEvent(
ExceptionQueuedEvent.class, new ExceptionQueuedEventContext(facesContext, e));
}
if (!facesContext.isPostback()) {
facesContext.renderResponse();
}
return;
}
// Reconstitute or create the request tree
Map requestMap = facesContext.getExternalContext().getRequestMap();
String viewId = (String) requestMap.get("javax.servlet.include.path_info");
if (viewId == null) {
viewId = facesContext.getExternalContext().getRequestPathInfo();
}
// It could be that this request was mapped using
// a prefix mapping in which case there would be no
// path_info. Query the servlet path.
if (viewId == null) {
viewId = (String) requestMap.get("javax.servlet.include.servlet_path");
}
if (viewId == null) {
viewId = facesContext.getExternalContext().getRequestServletPath();
}
if (viewId == null) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning("viewId is null");
}
throw new FacesException(
MessageUtils.getExceptionMessageString(MessageUtils.NULL_REQUEST_VIEW_ERROR_MESSAGE_ID));
}
ViewHandler viewHandler = Util.getViewHandler(facesContext);
boolean isPostBack = (facesContext.isPostback() && !isErrorPage(facesContext));
if (isPostBack) {
// try to restore the view
viewRoot = viewHandler.restoreView(facesContext, viewId);
if (viewRoot == null) {
if (is11CompatEnabled(facesContext)) {
// 1.1 -> create a new view and flag that the response should
// be immediately rendered
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Postback: recreating a view for " + viewId);
}
viewRoot = viewHandler.createView(facesContext, viewId);
facesContext.renderResponse();
} else {
Object[] params = {viewId};
throw new ViewExpiredException(
MessageUtils.getExceptionMessageString(
MessageUtils.RESTORE_VIEW_ERROR_MESSAGE_ID, params),
viewId);
}
}
facesContext.setViewRoot(viewRoot);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Postback: restored view for " + viewId);
}
} else {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("New request: creating a view for " + viewId);
}
ViewDeclarationLanguage vdl =
facesContext
.getApplication()
.getViewHandler()
.getViewDeclarationLanguage(facesContext, viewId);
if (vdl != null) {
// If we have one, get the ViewMetadata...
ViewMetadata metadata = vdl.getViewMetadata(facesContext, viewId);
if (metadata != null) { // perhaps it's not supported
// and use it to create the ViewRoot. This will have, at most
// the UIViewRoot and its metadata facet.
viewRoot = metadata.createMetadataView(facesContext);
// Only skip to render response if there are no view parameters
Collection<UIViewParameter> params = ViewMetadata.getViewParameters(viewRoot);
if (params.isEmpty()) {
facesContext.renderResponse();
}
}
} else {
facesContext.renderResponse();
}
if (null == viewRoot) {
viewRoot = (Util.getViewHandler(facesContext)).createView(facesContext, viewId);
}
facesContext.setViewRoot(viewRoot);
assert (null != viewRoot);
facesContext.getApplication().publishEvent(PostAddToViewEvent.class, viewRoot);
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Exiting RestoreViewPhase");
}
}
private String processException(Exception exp, int flag) {
String message = "";
String type = "";
Date requestDate = null;
Date reviewDate = null;
switch (flag) {
case 0:
LoanProfile loanProfile = ((DuplicateLoanProfileException) exp).getLoanProfile();
type = loanProfile.getProfileState().getCode();
requestDate = loanProfile.getRequestDate();
reviewDate = loanProfile.getReviewDate();
break;
case 1:
ExchangeProfile exchangeProfile =
((DuplicateExchangeProfileException) exp).getExchangeProfile();
type = exchangeProfile.getProfileState().getCode();
requestDate = exchangeProfile.getRequestDate();
reviewDate = exchangeProfile.getReviewDate();
break;
case 2:
ProberProfile proberProfile = ((DuplicateProberProfileException) exp).getProberProfile();
type = proberProfile.getProfileState().getCode();
requestDate = proberProfile.getRequestDate();
reviewDate = proberProfile.getReviewDate();
break;
}
if (type.equalsIgnoreCase(ProfileState.NEW_REQUEST_STATE)) {
message =
JsfUtils.getStringFromBundle("yourRequestForUnit")
+ " "
+ JsfUtils.getStringFromBundle(this.selectedUnitOrLib.getName())
+ JsfUtils.getStringFromBundle("andMembershipAt")
+ " "
+ JsfUtils.getStringFromBundle(
UserManagementDataMap.convertRequestType(this.selectedRequestType))
+ JsfUtils.getStringFromBundle("inDate")
+ " "
+ String.valueOf(requestDate)
+ JsfUtils.getStringFromBundle("isRegisteredAndCurrentlyIsUnderProcessing");
} else if (type.equalsIgnoreCase(ProfileState.CONFIRMED_REQUEST_STATE)) {
message =
JsfUtils.getStringFromBundle("yourRequestForUnit")
+ " "
+ JsfUtils.getStringFromBundle(this.selectedUnitOrLib.getName())
+ JsfUtils.getStringFromBundle("andMembershipAt")
+ " "
+ JsfUtils.getStringFromBundle(
UserManagementDataMap.convertRequestType(this.selectedRequestType))
+ JsfUtils.getStringFromBundle("inDate")
+ " "
+ String.valueOf(requestDate)
+ JsfUtils.getStringFromBundle("isRegisteredAndInDate")
+ " "
+ String.valueOf(reviewDate)
+ JsfUtils.getStringFromBundle("havebeenRejected")
+ JsfUtils.getStringFromBundle("wouldYouLikeToSubmitANewRequest");
} else if (type.equalsIgnoreCase(ProfileState.REJECTED_REQUEST_STATE)) {
message =
JsfUtils.getStringFromBundle("yourRequestForUnit")
+ " "
+ JsfUtils.getStringFromBundle(this.selectedUnitOrLib.getName())
+ JsfUtils.getStringFromBundle("andMembershipAt")
+ " "
+ JsfUtils.getStringFromBundle(
UserManagementDataMap.convertRequestType(this.selectedRequestType))
+ JsfUtils.getStringFromBundle("inDate")
+ " "
+ String.valueOf(requestDate)
+ JsfUtils.getStringFromBundle("isConfirmed");
} else assert true : "Invalid Profile State!!!";
FacesContext context = FacesContext.getCurrentInstance();
ViewHandler viewHandler = context.getApplication().getViewHandler();
UIViewRoot dialog =
viewHandler.createView(context, "/usermanagement/generalPages/showMessagePage.jspx");
Map properties = new HashMap();
properties.put("width", new Integer(300));
properties.put("height", new Integer(400));
Map params = new HashMap();
params.put(UserManagementConstants.DIALOG_MESSAGE, message);
RequestContext requestContext = RequestContext.getCurrentInstance();
requestContext.launchDialog(dialog, params, null, true, properties);
return "";
}
private boolean sendError(FacesContext context, String lifecycle, Exception e) {
for (Throwable cause = e; cause != null; cause = cause.getCause()) {
if (cause instanceof DisplayableException) {
if (e instanceof RuntimeException) throw (RuntimeException) e;
else throw new FacesException(e);
} else if (cause instanceof ServletException) throw new FacesException(e);
else if (cause instanceof JspException) throw new FacesException(e);
}
ExternalContext extContext = context.getExternalContext();
Object response = extContext.getResponse();
if (!(response instanceof HttpServletResponse)) {
context.renderResponse();
if (e instanceof RuntimeException) throw (RuntimeException) e;
else throw new RuntimeException(e);
}
log.log(Level.WARNING, e.toString(), e);
HttpServletResponse res = (HttpServletResponse) response;
try {
context.renderResponse();
context.responseComplete();
res.setStatus(500, "JSF Exception");
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("<body>");
out.println("<h3>JSF exception detected in " + lifecycle + " phase</h3>");
String msg = e.getMessage();
out.println("<span style='color:red;font:bold'>" + Html.escapeHtml(msg) + "</span><br/>");
out.println("<h3>Context: " + context.getViewRoot() + "</h3>");
out.println("<code><pre>");
String errorId = null;
if (e instanceof FacesException && msg.startsWith("id=")) {
int p = msg.indexOf(' ');
errorId = msg.substring(3, p);
}
printComponentTree(out, errorId, context, context.getViewRoot(), 0);
out.println("</pre></code>");
if (!Alarm.isTest()) {
out.println("<h3>Stack Trace</h3>");
out.println("<pre>");
if (e.getCause() != null) e.getCause().printStackTrace(out);
else e.printStackTrace(out);
out.println("</pre>");
}
out.println("</body>");
// clear, so we don't just loop
Application app = context.getApplication();
ViewHandler view = app.getViewHandler();
UIViewRoot viewRoot = context.getViewRoot();
viewRoot = view.createView(context, viewRoot.getViewId());
context.setViewRoot(viewRoot);
// view.writeState(context); // XXX: no need to output state, but review.
return true;
} catch (IOException e1) {
throw new RuntimeException(e);
}
}
/**
* PRECONDITION: the necessary factories have been installed in the ServletContext attr set.
*
* <p>
*
* <p>POSTCONDITION: The facesContext has been initialized with a tree.
*/
public void execute(FacesContext facesContext) throws FacesException {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Entering RestoreViewPhase");
}
if (null == facesContext) {
throw new FacesException(
MessageUtils.getExceptionMessageString(MessageUtils.NULL_CONTEXT_ERROR_MESSAGE_ID));
}
// If an app had explicitely set the tree in the context, use that;
//
UIViewRoot viewRoot = facesContext.getViewRoot();
if (viewRoot != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Found a pre created view in FacesContext");
}
facesContext.getViewRoot().setLocale(facesContext.getExternalContext().getRequestLocale());
// do per-component actions
deliverPostRestoreStateEvent(facesContext);
if (!facesContext.isPostback()) {
facesContext.renderResponse();
}
return;
}
FacesException thrownException = null;
try {
// Reconstitute or create the request tree
Map requestMap = facesContext.getExternalContext().getRequestMap();
String viewId = (String) requestMap.get("javax.servlet.include.path_info");
if (viewId == null) {
viewId = facesContext.getExternalContext().getRequestPathInfo();
}
// It could be that this request was mapped using
// a prefix mapping in which case there would be no
// path_info. Query the servlet path.
if (viewId == null) {
viewId = (String) requestMap.get("javax.servlet.include.servlet_path");
}
if (viewId == null) {
viewId = facesContext.getExternalContext().getRequestServletPath();
}
if (viewId == null) {
throw new FacesException(
MessageUtils.getExceptionMessageString(
MessageUtils.NULL_REQUEST_VIEW_ERROR_MESSAGE_ID));
}
ViewHandler viewHandler = Util.getViewHandler(facesContext);
boolean isPostBack = (facesContext.isPostback() && !isErrorPage(facesContext));
if (isPostBack) {
if (isCSRFOptionEnabled(facesContext)) {
String convertedViewId = viewHandler.deriveViewId(facesContext, viewId);
if (!TokenHelper.verifyToken(facesContext, convertedViewId)) {
throw new FacesException("Token verification failed.");
}
}
facesContext.setProcessingEvents(false);
// try to restore the view
viewRoot = viewHandler.restoreView(facesContext, viewId);
if (viewRoot == null) {
if (is11CompatEnabled(facesContext)) {
// 1.1 -> create a new view and flag that the response should
// be immediately rendered
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Postback: recreating a view for " + viewId);
}
viewRoot = viewHandler.createView(facesContext, viewId);
facesContext.renderResponse();
} else {
Object[] params = {viewId};
throw new ViewExpiredException(
MessageUtils.getExceptionMessageString(
MessageUtils.RESTORE_VIEW_ERROR_MESSAGE_ID, params),
viewId);
}
}
facesContext.setViewRoot(viewRoot);
facesContext.setProcessingEvents(true);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Postback: restored view for " + viewId);
}
} else {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("New request: creating a view for " + viewId);
}
ViewDeclarationLanguage vdl =
facesContext
.getApplication()
.getViewHandler()
.getViewDeclarationLanguage(facesContext, viewId);
if (vdl != null) {
// If we have one, get the ViewMetadata...
ViewMetadata metadata = vdl.getViewMetadata(facesContext, viewId);
if (metadata != null) { // perhaps it's not supported
// and use it to create the ViewRoot. This will have, at most
// the UIViewRoot and its metadata facet.
viewRoot = metadata.createMetadataView(facesContext);
// Only skip to render response if there are no view parameters
Collection<UIViewParameter> params = ViewMetadata.getViewParameters(viewRoot);
if (params.isEmpty()) {
facesContext.renderResponse();
}
}
} else {
facesContext.renderResponse();
}
if (null == viewRoot) {
viewRoot = (Util.getViewHandler(facesContext)).createView(facesContext, viewId);
}
facesContext.setViewRoot(viewRoot);
assert (null != viewRoot);
}
} catch (FacesException fe) {
thrownException = fe;
} finally {
if (null == thrownException) {
deliverPostRestoreStateEvent(facesContext);
} else {
throw thrownException;
}
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Exiting RestoreViewPhase");
}
}