public static UIComponent addTransient(
FacesContext context, ServletRequest req, UIComponent parent, String prevId, Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
BodyContent body = parentTag.getBodyContent();
if (body != null) addVerbatim(parent, body);
}
UIComponent child = null;
;
if (child == null) child = (UIComponent) childClass.newInstance();
child.setTransient(true);
addChild(parent, prevId, child);
return child;
}
public static UIComponent addFacet(
FacesContext context,
ServletRequest req,
UIComponent parent,
String facetName,
ValueExpression binding,
Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) child = (UIComponent) childClass.newInstance();
if (parent != null) parent.getFacets().put(facetName, child);
if (binding != null) binding.setValue(context.getELContext(), child);
return child;
}
public static UIComponent addPersistent(
FacesContext context,
ServletRequest req,
UIComponent parent,
ValueExpression binding,
Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
BodyContent body = parentTag.getBodyContent();
addVerbatim(parent, body);
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) {
child = (UIComponent) childClass.newInstance();
// jsf/3251
if (binding != null) binding.setValue(context.getELContext(), child);
}
if (parent != null) parent.getChildren().add(child);
return child;
}
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);
}
}
static ValueExpression restore(Object value, Class type, FacesContext context) {
if (value == null) return null;
String expr = (String) value;
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
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;
}
static ValueExpression restoreWithType(Object value, FacesContext context) {
if (value == null) return null;
Object[] state = (Object[]) value;
String expr = (String) state[0];
Class type = (Class) state[1];
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
public static UIComponent findPersistent(
FacesContext context, ServletRequest req, UIComponent parent, String id) throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
BodyContent body = null;
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
body = parentTag.getBodyContent();
}
if (parent != null) {
List<UIComponent> children = parent.getChildren();
int size = children.size();
String prevId = null;
for (int i = 0; i < size; i++) {
UIComponent child = children.get(i);
if (id.equals(child.getId())) {
if (body != null) addVerbatim(parent, prevId, body);
return child;
}
if (child.getId() != null) prevId = child.getId();
}
}
return null;
}
static final String evalString(ValueExpression expr, FacesContext context) {
try {
return (String) expr.getValue(context.getELContext());
} catch (ELException e) {
throw new FacesException(e);
}
}
static final int evalInt(ValueExpression expr, FacesContext context) {
try {
return (Integer) expr.getValue(context.getELContext());
} catch (ELException e) {
throw new FacesException(e);
}
}
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());
}
}
}
/** Decodes the data from the form. */
@Override
public void decode(FacesContext context, UIComponent component) {
String clientId = component.getClientId(context);
ExternalContext ext = context.getExternalContext();
Map<String, String> paramMap = ext.getRequestParameterMap();
String value = paramMap.get(clientId);
if (value != null) ((EditableValueHolder) component).setSubmittedValue(value);
}
static final boolean evalBoolean(ValueExpression expr, FacesContext context) {
try {
Object value = expr.getValue(context.getELContext());
if (value == null) return false;
else if (value instanceof Boolean) return ((Boolean) value).booleanValue();
else if (value instanceof String) return "true".equalsIgnoreCase((String) value);
else return false;
} catch (ELException e) {
throw new FacesException(e);
}
}
public static UIViewRoot findRoot(FacesContext context, ServletRequest req, Object etag)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
UIViewRoot root = context.getViewRoot();
if (root == null)
throw new NullPointerException(L.l("f:view can't find current in FacesContext"));
Object oldETag = root.getAttributes().get("caucho.etag");
if (oldETag != null && !oldETag.equals(etag)) {
// clear view on JSP change
root.getChildren().clear();
root.getFacets().clear();
}
root.getAttributes().put("caucho.etag", etag);
return root;
}
public static UIComponent findFacet(
FacesContext context, ServletRequest req, UIComponent parent, String facetName)
throws Exception {
if (context == null) FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
}
if (parent != null) return parent.getFacet(facetName);
else return null;
}
private static String getMessage(FacesContext context, String messageId, String defaultMessage) {
Application app = context.getApplication();
String bundleName = app.getMessageBundle();
if (bundleName == null) return defaultMessage;
ResourceBundle bundle = app.getResourceBundle(context, bundleName);
if (bundle == null) return defaultMessage;
String msg = bundle.getString(messageId);
if (msg != null) return msg;
else return defaultMessage;
}
/** Renders the open tag for the text. */
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
ResponseWriter out = context.getResponseWriter();
String id = component.getId();
String accesskey;
String dir;
boolean disabled;
String disabledClass;
String enabledClass;
String lang;
String onblur;
String onchange;
String onclick;
String ondblclick;
String onfocus;
String onkeydown;
String onkeypress;
String onkeyup;
String onmousedown;
String onmousemove;
String onmouseout;
String onmouseover;
String onmouseup;
String onselect;
boolean readonly;
String style;
String styleClass;
String tabindex;
String title;
Object value;
if (component instanceof HtmlSelectOneMenu) {
HtmlSelectOneMenu htmlComponent = (HtmlSelectOneMenu) component;
accesskey = htmlComponent.getAccesskey();
dir = htmlComponent.getDir();
disabled = htmlComponent.isDisabled();
disabledClass = htmlComponent.getDisabledClass();
enabledClass = htmlComponent.getEnabledClass();
lang = htmlComponent.getLang();
onblur = htmlComponent.getOnblur();
onchange = htmlComponent.getOnchange();
onclick = htmlComponent.getOnclick();
ondblclick = htmlComponent.getOndblclick();
onfocus = htmlComponent.getOnfocus();
onkeydown = htmlComponent.getOnkeydown();
onkeypress = htmlComponent.getOnkeypress();
onkeyup = htmlComponent.getOnkeyup();
onmousedown = htmlComponent.getOnmousedown();
onmousemove = htmlComponent.getOnmousemove();
onmouseout = htmlComponent.getOnmouseout();
onmouseover = htmlComponent.getOnmouseover();
onmouseup = htmlComponent.getOnmouseup();
onselect = htmlComponent.getOnselect();
readonly = htmlComponent.isReadonly();
style = htmlComponent.getStyle();
styleClass = htmlComponent.getStyleClass();
tabindex = htmlComponent.getTabindex();
title = htmlComponent.getTitle();
value = htmlComponent.getValue();
} else {
Map<String, Object> attrMap = component.getAttributes();
accesskey = (String) attrMap.get("accesskey");
dir = (String) attrMap.get("dir");
disabled = Boolean.TRUE.equals(attrMap.get("disabled"));
disabledClass = (String) attrMap.get("disabledClass");
enabledClass = (String) attrMap.get("enabledClass");
lang = (String) attrMap.get("lang");
onblur = (String) attrMap.get("onblur");
onchange = (String) attrMap.get("onchange");
onclick = (String) attrMap.get("onclick");
ondblclick = (String) attrMap.get("ondblclick");
onfocus = (String) attrMap.get("onfocus");
onkeydown = (String) attrMap.get("onkeydown");
onkeypress = (String) attrMap.get("onkeypress");
onkeyup = (String) attrMap.get("onkeyup");
onmousedown = (String) attrMap.get("onmousedown");
onmousemove = (String) attrMap.get("onmousemove");
onmouseout = (String) attrMap.get("onmouseout");
onmouseover = (String) attrMap.get("onmouseover");
onmouseup = (String) attrMap.get("onmouseup");
onselect = (String) attrMap.get("onselect");
readonly = Boolean.TRUE.equals(attrMap.get("readonly"));
style = (String) attrMap.get("style");
styleClass = (String) attrMap.get("styleClass");
tabindex = (String) attrMap.get("tabindex");
title = (String) attrMap.get("title");
value = attrMap.get("value");
}
UIViewRoot viewRoot = context.getViewRoot();
out.startElement("select", component);
if (style != null) out.writeAttribute("style", style, "style");
if (styleClass != null) out.writeAttribute("class", styleClass, "class");
String clientId = component.getClientId(context);
out.writeAttribute("name", clientId, "name");
if (id != null && !id.startsWith(UIViewRoot.UNIQUE_ID_PREFIX))
out.writeAttribute("id", clientId, "id");
if (disabled) out.writeAttribute("disabled", "disabled", "disabled");
if (accesskey != null) out.writeAttribute("accesskey", accesskey, "accesskey");
if (dir != null) out.writeAttribute("dir", dir, "dir");
if (lang != null) out.writeAttribute("lang", lang, "lang");
if (onblur != null) out.writeAttribute("onblur", onblur, "onblur");
if (onchange != null) out.writeAttribute("onchange", onchange, "onchange");
if (onclick != null) out.writeAttribute("onclick", onclick, "onclick");
if (ondblclick != null) out.writeAttribute("ondblclick", ondblclick, "ondblclick");
if (onfocus != null) out.writeAttribute("onfocus", onfocus, "onfocus");
if (onkeydown != null) out.writeAttribute("onkeydown", onkeydown, "onkeydown");
if (onkeypress != null) out.writeAttribute("onkeypress", onkeypress, "onkeypress");
if (onkeyup != null) out.writeAttribute("onkeyup", onkeyup, "onkeyup");
if (onmousedown != null) out.writeAttribute("onmousedown", onmousedown, "onmousedown");
if (onmousemove != null) out.writeAttribute("onmousemove", onmousemove, "onmousemove");
if (onmouseout != null) out.writeAttribute("onmouseout", onmouseout, "onmouseout");
if (onmouseover != null) out.writeAttribute("onmouseover", onmouseover, "onmouseover");
if (onmouseup != null) out.writeAttribute("onmouseup", onmouseup, "onmouseup");
if (onselect != null) out.writeAttribute("onselect", onselect, "onselect");
if (readonly) out.writeAttribute("readonly", "readonly", "readonly");
if (tabindex != null) out.writeAttribute("tabindex", tabindex, "tabindex");
if (title != null) out.writeAttribute("title", title, "title");
out.writeAttribute("size", "1", "size");
out.write("\n");
encodeOneChildren(out, context, component, value, enabledClass, disabledClass);
out.endElement("select");
out.write("\n");
for (UIComponent child : component.getChildren()) {
if (child instanceof UIComponent) child.encodeAll(context);
}
}
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);
}
}