public static Locale getLocale(FacesContext context) {
Locale locale = null;
UIViewRoot viewRoot = context.getViewRoot();
if (viewRoot != null) locale = viewRoot.getLocale();
if (locale == null) locale = Locale.getDefault();
return locale;
}
/*
* This method provides custom logic of wrapping viewRoot instances.
* This is done, because different environments casts current viewRoot
* instance to their own implementation of UIViewRoot class.
* So, we need to comply with inheritance hierarchy.
*/
private UIViewRoot getAjaxViewRoot(UIViewRoot root, FacesContext context) {
UIViewRoot riRoot;
Class ajax4jsfViewRootClass = null;
try {
ajax4jsfViewRootClass = Class.forName("org.ajax4jsf.framework.ajax.AjaxViewRoot");
} catch (ClassNotFoundException e) {
// absence of the Ajax4jsf library is a valid case
}
boolean isAjax4jsf = (ajax4jsfViewRootClass != null);
if (isAjax4jsf)
throw new IllegalArgumentException(
"OpenFaces warning: The old Ajax4jsf framework is not supported. Use RichFaces that now incorporates this framework instead.");
Class richFacesAjaxViewRootClass = null;
try {
richFacesAjaxViewRootClass = Class.forName("org.ajax4jsf.component.AjaxViewRoot");
} catch (ClassNotFoundException e) {
// absence of the RichFaces library is a valid case
}
if (Environment.isExoPortal()) riRoot = createExoAjaxViewRoot(root);
else if (richFacesAjaxViewRootClass == null) riRoot = new AjaxViewRoot();
else if (Environment.isGateInPortal(context)) riRoot = createGateInAjaxViewRoot(root);
else riRoot = createA4jAjaxViewRoot(root);
// fill properties from default.
riRoot.setViewId(root.getViewId());
riRoot.setLocale(root.getLocale());
String renderKitId = root.getRenderKitId();
// Fix facelets bug - for debug requests renderKitId is null !
if (null == renderKitId) {
renderKitId = calculateRenderKitId(context);
}
riRoot.setRenderKitId(renderKitId);
return riRoot;
}
/**
* @param context the <code>FacesContext</code> for the current request
* @return the Locale from the UIViewRoot, the the value of Locale.getDefault()
*/
public static Locale getLocaleFromContextOrSystem(FacesContext context) {
Locale result, temp = Locale.getDefault();
UIViewRoot root;
result = temp;
if (null != context) {
if (null != (root = context.getViewRoot())) {
if (null == (result = root.getLocale())) {
result = temp;
}
}
}
return result;
}
public static String lerBundle(String messageId, String resource) {
ResourceBundle bundle = null;
String msg = "";
if (FacesContext.getCurrentInstance() != null) {
UIViewRoot viewRoot = FacesContext.getCurrentInstance().getViewRoot();
bundle = ResourceBundle.getBundle(resource, viewRoot.getLocale());
} else {
bundle = ResourceBundle.getBundle(resource);
}
try {
msg = bundle.getString(messageId);
} catch (Exception e) {
}
return msg;
}
/** returns the active locale for a given FacesContext */
public Locale getContextLocale(final FacesContext ctx) {
UIViewRoot root;
// Start out with the default locale
Locale locale;
Locale defaultLocale = Locale.getDefault();
locale = defaultLocale;
// See if this FacesContext has a ViewRoot
if (null != (root = ctx.getViewRoot())) {
// If so, ask it for its Locale
if (null == (locale = root.getLocale())) {
// If the ViewRoot has no Locale, fall back to the default.
locale = defaultLocale;
}
}
return locale;
}
/** @see javax.faces.context.FacesContext#getELContext() */
@Override
public ELContext getELContext() {
assertNotReleased();
if (elContext == null) {
Application app = getApplication();
elContext = new ELContextImpl(app.getELResolver());
elContext.putContext(FacesContext.class, this);
UIViewRoot root = this.getViewRoot();
if (null != root) {
elContext.setLocale(root.getLocale());
}
ELContextListener[] listeners = app.getELContextListeners();
if (listeners.length > 0) {
ELContextEvent event = new ELContextEvent(elContext);
for (ELContextListener listener : listeners) {
listener.contextCreated(event);
}
}
}
return elContext;
}
public ResourceBundle getResourceBundle(FacesContext context, String var) {
ApplicationResourceBundle bundle = resourceBundles.get(var);
if (bundle == null) {
return null;
}
UIViewRoot root;
// Start out with the default locale
Locale locale;
Locale defaultLocale = Locale.getDefault();
locale = defaultLocale;
// See if this FacesContext has a ViewRoot
if (null != (root = context.getViewRoot())) {
// If so, ask it for its Locale
if (null == (locale = root.getLocale())) {
// If the ViewRoot has no Locale, fall back to the default.
locale = defaultLocale;
}
}
assert (null != locale);
// ResourceBundleBean bean = resourceBundles.get(var);
return bundle.getResourceBundle(locale);
}
@Override
public void encodeJavaScriptCustom(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
ResponseWriter responseWriter = facesContext.getResponseWriter();
InputFile inputFile = (InputFile) uiComponent;
JavaScriptFragment alloyNamespace = new JavaScriptFragment("A");
// Determine the valid content-types and maximum file size from the validator (if specified).
JavaScriptFragment contentTypes = new JavaScriptFragment("[]");
String validContentTypes = inputFile.getContentTypes();
if (validContentTypes != null) {
contentTypes = toJavaScriptArray(validContentTypes.split(","));
}
String clientId = inputFile.getClientId(facesContext);
Long maxFileSize = inputFile.getMaxFileSize();
if (maxFileSize == null) {
maxFileSize = Long.MAX_VALUE;
}
// If the component should render the upload progress table, then initialize the YUI progress
// uploader widget.
if (inputFile.isShowProgress()) {
String clientVarName = getClientVarName(facesContext, inputFile);
String clientKey = inputFile.getClientKey();
if (clientKey == null) {
clientKey = clientVarName;
}
UIViewRoot viewRoot = facesContext.getViewRoot();
Locale locale = viewRoot.getLocale();
String formClientId = getParentFormClientId(inputFile);
Application application = facesContext.getApplication();
ViewHandler viewHandler = application.getViewHandler();
String actionURL = viewHandler.getActionURL(facesContext, viewRoot.getViewId());
String partialActionURL = facesContext.getExternalContext().encodePartialActionURL(actionURL);
String namingContainerId = "";
if (viewRoot instanceof NamingContainer) {
namingContainerId = viewRoot.getContainerClientId(facesContext);
}
AjaxParameters ajaxParameters = new AjaxParameters(inputFile, clientId, formClientId);
String execute = ajaxParameters.getExecute();
String render = ajaxParameters.getRender();
String notStartedMessage = getMessageContext().getMessage(locale, "not-started");
JavaScriptFragment clientComponent =
new JavaScriptFragment("Liferay.component('" + clientKey + "')");
encodeFunctionCall(
responseWriter,
"LFAI.initProgressUploader",
alloyNamespace,
clientComponent,
contentTypes,
clientId,
formClientId,
namingContainerId,
inputFile.isAuto(),
execute,
render,
partialActionURL,
maxFileSize,
notStartedMessage);
}
// Otherwise, if the component should render the upload preview table, then format the
// preview-uploader.js
// template and write it to the response.
else if (inputFile.isShowPreview()) {
encodeFunctionCall(
responseWriter,
"LFAI.initPreviewUploader",
alloyNamespace,
contentTypes,
clientId,
maxFileSize);
}
}