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).
PartialViewContext partialViewContext = facesContext.getPartialViewContext();
if (partialViewContext.isAjaxRequest()) {
OnOffResponseWrapper onOffResponse = new OnOffResponseWrapper(facesContext);
onOffResponse.setEnabled(false);
}
try {
ViewHandler vh = facesContext.getApplication().getViewHandler();
ViewDeclarationLanguage vdl =
vh.getViewDeclarationLanguage(facesContext, facesContext.getViewRoot().getViewId());
if (vdl != null) {
vdl.buildView(facesContext, facesContext.getViewRoot());
}
boolean viewIdsUnchanged;
do {
String beforePublishViewId = facesContext.getViewRoot().getViewId();
// the before render event on the view root is a special case to keep door open for
// navigation
// this must be called *after* PDL.buildView() and before VH.renderView()
facesContext
.getApplication()
.publishEvent(facesContext, PreRenderViewEvent.class, facesContext.getViewRoot());
String afterPublishViewId = facesContext.getViewRoot().getViewId();
viewIdsUnchanged =
beforePublishViewId == null && afterPublishViewId == null
|| (beforePublishViewId != null && afterPublishViewId != null)
&& beforePublishViewId.equals(afterPublishViewId);
} while (!viewIdsUnchanged);
// render the view
vh.renderView(facesContext, facesContext.getViewRoot());
} 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");
}
}
