public void execute(FacesContext facesContext) throws FacesException {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Entering RenderResponsePhase");
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("About to render view " + facesContext.getViewRoot().getViewId());
}
// For requests intended to produce a partial response, we need prohibit
// writing any content outside of the view itself (f:view).
if (facesContext.isAjaxRequest()) {
facesContext.enableResponseWriting(false);
}
try {
// Setup message display LOGGER.
if (LOGGER.isLoggable(Level.INFO)) {
Iterator<String> clientIdIter = facesContext.getClientIdsWithMessages();
// If Messages are queued
if (clientIdIter.hasNext()) {
Set<String> clientIds = new HashSet<String>();
// Copy client ids to set of clientIds pending display.
while (clientIdIter.hasNext()) {
clientIds.add(clientIdIter.next());
}
RequestStateManager.set(
facesContext, RequestStateManager.CLIENT_ID_MESSAGES_NOT_DISPLAYED, clientIds);
}
}
// render the view
facesContext
.getApplication()
.getViewHandler()
.renderView(facesContext, facesContext.getViewRoot());
// display results of message display LOGGER
if (LOGGER.isLoggable(Level.INFO)
&& RequestStateManager.containsKey(
facesContext, RequestStateManager.CLIENT_ID_MESSAGES_NOT_DISPLAYED)) {
// remove so Set does not get modified when displaying messages.
Set<String> clientIds =
TypedCollections.dynamicallyCastSet(
(Set)
RequestStateManager.remove(
facesContext, RequestStateManager.CLIENT_ID_MESSAGES_NOT_DISPLAYED),
String.class);
if (!clientIds.isEmpty()) {
// Display each message possibly not displayed.
StringBuilder builder = new StringBuilder();
for (String clientId : clientIds) {
Iterator<FacesMessage> messages = facesContext.getMessages(clientId);
while (messages.hasNext()) {
FacesMessage message = messages.next();
builder.append("\n");
builder.append("sourceId=").append(clientId);
builder.append("[severity=(").append(message.getSeverity());
builder.append("), summary=(").append(message.getSummary());
builder.append("), detail=(").append(message.getDetail()).append(")]");
}
}
LOGGER.log(Level.INFO, "jsf.non_displayed_message", builder.toString());
}
}
} catch (IOException e) {
throw new FacesException(e.getMessage(), e);
}
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.log(
Level.FINEST,
"+=+=+=+=+=+= View structure printout for " + facesContext.getViewRoot().getViewId());
DebugUtil.printTree(facesContext.getViewRoot(), LOGGER, Level.FINEST);
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Exiting RenderResponsePhase");
}
}
/**
* @see javax.faces.view.ViewDeclarationLanguage#renderView(javax.faces.context.FacesContext,
* javax.faces.component.UIViewRoot)
*/
public void renderView(FacesContext context, UIViewRoot view) throws IOException {
// suppress rendering if "rendered" property on the component is
// false
if (!view.isRendered() || context.getResponseComplete()) {
return;
}
ExternalContext extContext = context.getExternalContext();
if (!Util.isViewPopulated(context, view)) {
buildView(context, view);
}
// set up the ResponseWriter
RenderKitFactory renderFactory =
(RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
RenderKit renderKit = renderFactory.getRenderKit(context, view.getRenderKitId());
ResponseWriter oldWriter = context.getResponseWriter();
WriteBehindStateWriter stateWriter =
new WriteBehindStateWriter(
extContext.getResponseOutputWriter(), context, responseBufferSize);
ResponseWriter newWriter;
if (null != oldWriter) {
newWriter = oldWriter.cloneWithWriter(stateWriter);
} else {
newWriter =
renderKit.createResponseWriter(
stateWriter, null, extContext.getRequestCharacterEncoding());
}
context.setResponseWriter(newWriter);
// Don't call startDoc and endDoc on a partial response
if (context.getPartialViewContext().isPartialRequest()) {
doRenderView(context, view);
try {
extContext.getFlash().doPostPhaseActions(context);
} catch (UnsupportedOperationException uoe) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(
"ExternalContext.getFlash() throw UnsupportedOperationException -> Flash unavailable");
}
}
} else {
// render the view to the response
newWriter.startDocument();
doRenderView(context, view);
try {
extContext.getFlash().doPostPhaseActions(context);
} catch (UnsupportedOperationException uoe) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(
"ExternalContext.getFlash() throw UnsupportedOperationException -> Flash unavailable");
}
}
newWriter.endDocument();
}
// replace markers in the body content and write it to response.
// flush directly to the response
if (stateWriter.stateWritten()) {
stateWriter.flushToWriter();
}
// clear the ThreadLocal reference.
stateWriter.release();
if (null != oldWriter) {
context.setResponseWriter(oldWriter);
}
// write any AFTER_VIEW_CONTENT to the response
// side effect: AFTER_VIEW_CONTENT removed
ViewHandlerResponseWrapper wrapper =
(ViewHandlerResponseWrapper)
RequestStateManager.remove(context, RequestStateManager.AFTER_VIEW_CONTENT);
if (null != wrapper) {
wrapper.flushToWriter(
extContext.getResponseOutputWriter(), extContext.getResponseCharacterEncoding());
}
extContext.responseFlushBuffer();
}