public void render(FacesContext context) throws FacesException {
if (context.getResponseComplete()) return;
Application app = context.getApplication();
ViewHandler view = app.getViewHandler();
beforePhase(context, PhaseId.RENDER_RESPONSE);
try {
if (log.isLoggable(Level.FINER)) log.finer(context.getViewRoot() + " before render view");
view.renderView(context, context.getViewRoot());
} catch (java.io.IOException e) {
if (sendError(context, "renderView", e)) return;
throw new FacesException(e);
} catch (RuntimeException e) {
if (sendError(context, "renderView", e)) return;
throw e;
} finally {
afterPhase(context, PhaseId.RENDER_RESPONSE);
logMessages(context);
}
}
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);
}
}
private String calculateViewId(FacesContext context) {
Map map = context.getExternalContext().getRequestMap();
String viewId = (String) map.get(RequestDispatcher.INCLUDE_PATH_INFO);
if (viewId == null) viewId = context.getExternalContext().getRequestPathInfo();
if (viewId == null) viewId = (String) map.get(RequestDispatcher.INCLUDE_SERVLET_PATH);
if (viewId == null) viewId = context.getExternalContext().getRequestServletPath();
return viewId;
}
@Override
public void afterPhase(PhaseEvent event) {
FacesContext facesContext = event.getFacesContext();
ExternalContext externalContext = facesContext.getExternalContext();
HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
if (!request.getMethod().equals("POST")) {
Map<?, ?> flashScope =
(Map<?, ?>)
facesContext
.getApplication()
.createValueBinding("#{flashScope}")
.getValue(facesContext);
flashScope.clear();
}
}
private void logMessages(FacesContext context) {
UIViewRoot root = context.getViewRoot();
String viewId = "";
if (root != null) viewId = root.getViewId();
Iterator<FacesMessage> iter = context.getMessages();
while (iter != null && iter.hasNext()) {
FacesMessage msg = iter.next();
if (log.isLoggable(Level.FINE)) {
if (msg.getDetail() != null)
log.fine(
viewId + " [ " + msg.getSeverity() + "] " + msg.getSummary() + " " + msg.getDetail());
else log.fine(viewId + " [ " + msg.getSeverity() + "] " + msg.getSummary());
}
}
}
protected void setProperties(UIComponent component) {
super.setProperties(component);
javax.faces.component.UISelectOne selectone = null;
try {
selectone = (javax.faces.component.UISelectOne) component;
} catch (ClassCastException cce) {
throw new IllegalStateException(
"Component "
+ component.toString()
+ " not expected type. Expected: javax.faces.component.UISelectOne. Perhaps you're missing a tag?");
}
if (converter != null) {
if (!converter.isLiteralText()) {
selectone.setValueExpression("converter", converter);
} else {
Converter conv =
FacesContext.getCurrentInstance()
.getApplication()
.createConverter(converter.getExpressionString());
selectone.setConverter(conv);
}
}
if (converterMessage != null) {
selectone.setValueExpression("converterMessage", converterMessage);
}
if (immediate != null) {
selectone.setValueExpression("immediate", immediate);
}
if (required != null) {
selectone.setValueExpression("required", required);
}
if (requiredMessage != null) {
selectone.setValueExpression("requiredMessage", requiredMessage);
}
if (validator != null) {
selectone.addValidator(new MethodExpressionValidator(validator));
}
if (validatorMessage != null) {
selectone.setValueExpression("validatorMessage", validatorMessage);
}
if (value != null) {
selectone.setValueExpression("value", value);
}
if (valueChangeListener != null) {
selectone.addValueChangeListener(
new MethodExpressionValueChangeListener(valueChangeListener));
}
if (accesskey != null) {
selectone.setValueExpression("accesskey", accesskey);
}
if (dir != null) {
selectone.setValueExpression("dir", dir);
}
if (disabled != null) {
selectone.setValueExpression("disabled", disabled);
}
if (disabledClass != null) {
selectone.setValueExpression("disabledClass", disabledClass);
}
if (enabledClass != null) {
selectone.setValueExpression("enabledClass", enabledClass);
}
if (label != null) {
selectone.setValueExpression("label", label);
}
if (lang != null) {
selectone.setValueExpression("lang", lang);
}
if (onblur != null) {
selectone.setValueExpression("onblur", onblur);
}
if (onchange != null) {
selectone.setValueExpression("onchange", onchange);
}
if (onclick != null) {
selectone.setValueExpression("onclick", onclick);
}
if (ondblclick != null) {
selectone.setValueExpression("ondblclick", ondblclick);
}
if (onfocus != null) {
selectone.setValueExpression("onfocus", onfocus);
}
if (onkeydown != null) {
selectone.setValueExpression("onkeydown", onkeydown);
}
if (onkeypress != null) {
selectone.setValueExpression("onkeypress", onkeypress);
}
if (onkeyup != null) {
selectone.setValueExpression("onkeyup", onkeyup);
}
if (onmousedown != null) {
selectone.setValueExpression("onmousedown", onmousedown);
}
if (onmousemove != null) {
selectone.setValueExpression("onmousemove", onmousemove);
}
if (onmouseout != null) {
selectone.setValueExpression("onmouseout", onmouseout);
}
if (onmouseover != null) {
selectone.setValueExpression("onmouseover", onmouseover);
}
if (onmouseup != null) {
selectone.setValueExpression("onmouseup", onmouseup);
}
if (onselect != null) {
selectone.setValueExpression("onselect", onselect);
}
if (readonly != null) {
selectone.setValueExpression("readonly", readonly);
}
if (style != null) {
selectone.setValueExpression("style", style);
}
if (styleClass != null) {
selectone.setValueExpression("styleClass", styleClass);
}
if (tabindex != null) {
selectone.setValueExpression("tabindex", tabindex);
}
if (title != null) {
selectone.setValueExpression("title", title);
}
}
public void execute(FacesContext context) throws FacesException {
boolean isFiner = log.isLoggable(Level.FINER);
if (context.getResponseComplete() || context.getRenderResponse()) return;
beforePhase(context, PhaseId.RESTORE_VIEW);
try {
if (isFiner) log.finer("JSF[] before restore view");
restoreView(context);
} finally {
afterPhase(context, PhaseId.RESTORE_VIEW);
}
if (context.getResponseComplete() || context.getRenderResponse()) return;
UIViewRoot viewRoot = context.getViewRoot();
beforePhase(context, PhaseId.APPLY_REQUEST_VALUES);
try {
if (isFiner) log.finer(context.getViewRoot() + " before process decodes");
viewRoot.processDecodes(context);
} catch (RuntimeException e) {
log.log(Level.WARNING, e.toString(), e);
} finally {
afterPhase(context, PhaseId.APPLY_REQUEST_VALUES);
}
//
// Process Validations (processValidators)
//
if (context.getResponseComplete() || context.getRenderResponse()) return;
beforePhase(context, PhaseId.PROCESS_VALIDATIONS);
try {
if (isFiner) log.finer(context.getViewRoot() + " before process validators");
viewRoot.processValidators(context);
} finally {
afterPhase(context, PhaseId.PROCESS_VALIDATIONS);
}
//
// Update Model Values (processUpdates)
//
if (context.getResponseComplete() || context.getRenderResponse()) return;
beforePhase(context, PhaseId.UPDATE_MODEL_VALUES);
try {
if (isFiner) log.finer(context.getViewRoot() + " before process updates");
viewRoot.processUpdates(context);
} catch (RuntimeException e) {
if (sendError(context, "processUpdates", e)) return;
} finally {
afterPhase(context, PhaseId.UPDATE_MODEL_VALUES);
}
//
// Invoke Application (processApplication)
//
if (context.getResponseComplete() || context.getRenderResponse()) return;
beforePhase(context, PhaseId.INVOKE_APPLICATION);
try {
if (isFiner) log.finer(context.getViewRoot() + " before process application");
viewRoot.processApplication(context);
} finally {
afterPhase(context, PhaseId.INVOKE_APPLICATION);
}
}
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);
}
}
