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 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());
}
}
}
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);
}
}
/** The default lifecycle implementation */
public class LifecycleImpl extends Lifecycle {
private static final L10N L = new L10N(LifecycleImpl.class);
private static final Logger log = Logger.getLogger(LifecycleImpl.class.getName());
private ArrayList<PhaseListener> _phaseList = new ArrayList<PhaseListener>();
private PhaseListener[] _phaseListeners = new PhaseListener[0];
public LifecycleImpl() {}
public void addPhaseListener(PhaseListener listener) {
if (listener == null) throw new NullPointerException();
synchronized (_phaseList) {
_phaseList.add(listener);
_phaseListeners = new PhaseListener[_phaseList.size()];
_phaseList.toArray(_phaseListeners);
}
}
public PhaseListener[] getPhaseListeners() {
return _phaseListeners;
}
public void removePhaseListener(PhaseListener listener) {
if (listener == null) throw new NullPointerException();
synchronized (_phaseList) {
_phaseList.remove(listener);
_phaseListeners = new PhaseListener[_phaseList.size()];
_phaseList.toArray(_phaseListeners);
}
}
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 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 void doSetBindings(ELContext elContext, UIComponent component) {
if (component == null) return;
ValueExpression binding = component.getValueExpression("binding");
if (binding != null) binding.setValue(elContext, component);
Iterator<UIComponent> iter = component.getFacetsAndChildren();
while (iter.hasNext()) doSetBindings(elContext, iter.next());
}
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;
}
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 beforePhase(FacesContext context, PhaseId phase) {
for (int i = 0; i < _phaseListeners.length; i++) {
PhaseListener listener = _phaseListeners[i];
PhaseId id = listener.getPhaseId();
if (id == phase || id == PhaseId.ANY_PHASE) {
PhaseEvent event = new PhaseEvent(context, phase, this);
listener.beforePhase(event);
}
}
}
private void afterPhase(FacesContext context, PhaseId phase) {
for (int i = _phaseListeners.length - 1; i >= 0; i--) {
PhaseListener listener = _phaseListeners[i];
PhaseId id = listener.getPhaseId();
if (phase == id || id == PhaseId.ANY_PHASE) {
PhaseEvent event = new PhaseEvent(context, phase, this);
listener.afterPhase(event);
}
}
}
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());
}
}
}
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);
}
}
private void printComponentTree(
PrintWriter out, String errorId, FacesContext context, UIComponent comp, int depth) {
for (int i = 0; i < depth; i++) out.print(' ');
boolean isError = false;
if (errorId != null && errorId.equals(comp.getClientId(context))) {
isError = true;
out.print("<span style='color:red'>");
}
out.print("<" + comp.getClass().getSimpleName());
if (comp.getId() != null) out.print(" id=\"" + comp.getId() + "\"");
for (Method method : comp.getClass().getMethods()) {
if (!method.getName().startsWith("get") && !method.getName().startsWith("is")) continue;
else if (method.getParameterTypes().length != 0) continue;
String name;
if (method.getName().startsWith("get")) name = method.getName().substring(3);
else if (method.getName().startsWith("is")) name = method.getName().substring(2);
else continue;
// XXX: getURL
name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
ValueExpression expr = comp.getValueExpression(name);
Class type = method.getReturnType();
if (expr != null) {
out.print(" " + name + "=\"" + expr.getExpressionString() + "\"");
} else if (method.getDeclaringClass().equals(UIComponent.class)
|| method.getDeclaringClass().equals(UIComponentBase.class)) {
} else if (name.equals("family")) {
} else if (String.class.equals(type)) {
try {
Object value = method.invoke(comp);
if (value != null) out.print(" " + name + "=\"" + value + "\"");
} catch (Exception e) {
}
}
}
int facetCount = comp.getFacetCount();
int childCount = comp.getChildCount();
if (facetCount == 0 && childCount == 0) {
out.print("/>");
if (isError) out.print("</span>");
out.println();
return;
}
out.println(">");
if (isError) out.print("</span>");
for (int i = 0; i < childCount; i++) {
printComponentTree(out, errorId, context, comp.getChildren().get(i), depth + 1);
}
for (int i = 0; i < depth; i++) out.print(' ');
if (isError) out.print("<span style='color:red'>");
out.println("</" + comp.getClass().getSimpleName() + ">");
if (isError) out.print("</span>");
}
public String toString() {
return "DefaultLifecycleImpl[]";
}
}
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);
}
}