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");
}
}
/** @see javax.faces.context.PartialViewContext#processPartial(javax.faces.event.PhaseId)) */
@Override
public void processPartial(PhaseId phaseId) {
Collection<String> executeIds = getExecuteIds();
Collection<String> renderIds = getRenderIds();
UIViewRoot viewRoot = ctx.getViewRoot();
if (phaseId == PhaseId.APPLY_REQUEST_VALUES
|| phaseId == PhaseId.PROCESS_VALIDATIONS
|| phaseId == PhaseId.UPDATE_MODEL_VALUES) {
// Skip this processing if "none" is specified in the render list,
// or there were no execute phase client ids.
if (executeIds == null || executeIds.isEmpty()) {
// RELEASE_PENDING LOG ERROR OR WARNING
return;
}
try {
processComponents(viewRoot, phaseId, executeIds, ctx);
} catch (Exception e) {
// RELEASE_PENDING LOG EXCEPTION
}
// If we have just finished APPLY_REQUEST_VALUES phase, install the
// partial response writer. We want to make sure that any content
// or errors generated in the other phases are written using the
// partial response writer.
//
if (phaseId == PhaseId.APPLY_REQUEST_VALUES) {
PartialResponseWriter writer = getPartialResponseWriter();
ctx.setResponseWriter(writer);
}
} else if (phaseId == PhaseId.RENDER_RESPONSE) {
try {
//
// We re-enable response writing.
//
OnOffResponseWrapper onOffResponse = new OnOffResponseWrapper(ctx);
onOffResponse.setEnabled(true);
PartialResponseWriter writer = getPartialResponseWriter();
ResponseWriter orig = ctx.getResponseWriter();
ctx.getAttributes().put(ORIGINAL_WRITER, orig);
ctx.setResponseWriter(writer);
ExternalContext exContext = ctx.getExternalContext();
exContext.setResponseContentType("text/xml");
exContext.addResponseHeader("Cache-Control", "no-cache");
writer.startDocument();
if (isRenderAll()) {
renderAll(ctx, viewRoot);
renderState(ctx);
writer.endDocument();
return;
}
// Skip this processing if "none" is specified in the render list,
// or there were no render phase client ids.
if (renderIds == null || renderIds.isEmpty()) {
} else {
processComponents(viewRoot, phaseId, renderIds, ctx);
}
renderState(ctx);
writer.endDocument();
} catch (IOException ex) {
this.cleanupAfterView();
} catch (RuntimeException ex) {
this.cleanupAfterView();
// Throw the exception
throw ex;
}
}
}
