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package com.sun.faces.config.processor;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.LinkedHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.el.ELResolver;
import javax.faces.application.Application;
import javax.faces.application.ConfigurableNavigationHandler;
import javax.faces.application.NavigationHandler;
import javax.faces.application.ResourceHandler;
import javax.faces.application.StateManager;
import javax.faces.application.ViewHandler;
import javax.faces.context.FacesContext;
import javax.faces.el.PropertyResolver;
import javax.faces.el.VariableResolver;
import javax.faces.event.ActionListener;
import javax.faces.event.SystemEventListener;
import javax.faces.event.SystemEvent;
import javax.faces.event.NamedEvent;
import javax.servlet.ServletContext;
import com.sun.faces.application.ApplicationAssociate;
import com.sun.faces.application.ApplicationResourceBundle;
import com.sun.faces.el.ChainAwareVariableResolver;
import com.sun.faces.el.DummyPropertyResolverImpl;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.Util;
import com.sun.faces.config.ConfigurationException;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.config.DocumentInfo;
import java.util.LinkedHashSet;
import java.util.Map;
import javax.faces.validator.BeanValidator;
import javax.validation.Validation;
import javax.validation.ValidationException;
import javax.validation.ValidatorFactory;
import static com.sun.faces.config.WebConfiguration.BooleanWebContextInitParameter.DisableFaceletJSFViewHandler;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Document;
/**
*
* This ConfigProcessor handles all elements defined under
* /faces-config/application.
*
*/
public class ApplicationConfigProcessor extends AbstractConfigProcessor {
private static final Logger LOGGER = FacesLogger.CONFIG.getLogger();
/**
* /faces-config/application
*/
private static final String APPLICATION =
"application";
/**
* /faces-config/application/action-listener
*/
private static final String ACTION_LISTENER
= "action-listener";
/**
* /faces-config/application/default-render-kit-id
*/
private static final String DEFAULT_RENDERKIT_ID
= "default-render-kit-id";
/**
* /faces-config/application/default-validators
*/
private static final String DEFAULT_VALIDATORS
= "default-validators";
/**
* /faces-config/application/default-validators/validator-id
*/
private static final String VALIDATOR_ID
= "validator-id";
/**
* /faces-config/application/message-bundle
*/
private static final String MESSAGE_BUNDLE
= "message-bundle";
/**
* /faces-config/application/navigation-handler
*/
private static final String NAVIGATION_HANDLER
= "navigation-handler";
/**
* /faces-config/application/view-handler
*/
private static final String VIEW_HANDLER
= "view-handler";
/**
* /faces-config/application/state-manager
*/
private static final String STATE_MANAGER
= "state-manager";
/**
* /faces-config/application/resource-handler
*/
private static final String RESOURCE_HANDLER
= "resource-handler";
/**
* /faces-config/application/el-resolver
*/
private static final String EL_RESOLVER
= "el-resolver";
/**
* /faces-config/application/property-resolver
*/
private static final String PROPERTY_RESOLVER
= "property-resolver";
/**
* /faces-config/application/variable-resolver
*/
private static final String VARIABLE_RESOLVER
= "variable-resolver";
/**
* /faces-config/application/locale-config/default-locale
*/
private static final String DEFAULT_LOCALE
= "default-locale";
/**
* /faces-config/application/locale-config/supported-locale
*/
private static final String SUPPORTED_LOCALE
= "supported-locale";
/**
* /faces-config/application/resource-bundle
*/
private static final String RESOURCE_BUNDLE
= "resource-bundle";
/**
* /faces-config/application/resource-bundle/base-name
*/
private static final String BASE_NAME
= "base-name";
/**
* /faces-config/application/resource-bundle/var
*/
private static final String VAR
= "var";
/**
* /faces-config/application/resource-bundle/description
*/
private static final String RES_DESCRIPTIONS
= "description";
/**
* /faces-config/application/resource-bundle/display-name
*/
private static final String RES_DISPLAY_NAMES
= "display-name";
/**
* /faces-config/application/system-event-listener
*/
private static final String SYSTEM_EVENT_LISTENER
= "system-event-listener";
/**
* /faces-config/application/system-event-listener/system-event-listener-class
*/
private static final String SYSTEM_EVENT_LISTENER_CLASS
= "system-event-listener-class";
/**
* /faces-config/application/system-event-listener/system-event-class
*/
private static final String SYSTEM_EVENT_CLASS
= "system-event-class";
/**
* /faces-config/application/system-event-listener/source-class
*/
private static final String SOURCE_CLASS
= "source-class";
// -------------------------------------------- Methods from ConfigProcessor
/**
* @see ConfigProcessor#process(javax.servlet.ServletContext,com.sun.faces.config.DocumentInfo[])
*/
public void process(ServletContext sc, DocumentInfo[] documentInfos)
throws Exception {
Application app = getApplication();
ApplicationAssociate associate =
ApplicationAssociate.getInstance(
FacesContext.getCurrentInstance().getExternalContext());
LinkedHashMap viewHandlers = new LinkedHashMap();
LinkedHashSet defaultValidatorIds = null;
for (int i = 0; i < documentInfos.length; i++) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format("Processing application elements for document: ''{0}''",
documentInfos[i].getSourceURI()));
}
Document document = documentInfos[i].getDocument();
String namespace =
document.getDocumentElement().getNamespaceURI();
NodeList applicationElements = document.getDocumentElement()
.getElementsByTagNameNS(namespace, APPLICATION);
if (applicationElements != null
&& applicationElements.getLength() > 0) {
for (int a = 0, asize = applicationElements.getLength();
a < asize;
a++) {
Node appElement = applicationElements.item(a);
NodeList children = ((Element) appElement)
.getElementsByTagNameNS(namespace, "*");
if (children != null && children.getLength() > 0) {
for (int c = 0, csize = children.getLength();
c < csize;
c++) {
Node n = children.item(c);
if (MESSAGE_BUNDLE.equals(n.getLocalName())) {
setMessageBundle(app, n);
} else if (DEFAULT_RENDERKIT_ID.equals(n.getLocalName())) {
setDefaultRenderKitId(app, n);
} else if (ACTION_LISTENER.equals(n.getLocalName())) {
addActionListener(app, n);
} else if (NAVIGATION_HANDLER.equals(n.getLocalName())) {
setNavigationHandler(app, n);
} else if (VIEW_HANDLER.equals(n.getLocalName())) {
String viewHandler = getNodeText(n);
if (viewHandler != null) {
viewHandlers.put(viewHandler, n);
}
} else if (STATE_MANAGER.equals(n.getLocalName())) {
setStateManager(app, n);
} else if (EL_RESOLVER.equals(n.getLocalName())) {
addELResolver(associate, n);
} else if (PROPERTY_RESOLVER.equals(n.getLocalName())) {
addPropertyResolver(associate, n);
} else if (VARIABLE_RESOLVER.equals(n.getLocalName())) {
addVariableResolver(associate, n);
} else if (DEFAULT_LOCALE.equals(n.getLocalName())) {
setDefaultLocale(app, n);
} else if (SUPPORTED_LOCALE.equals(n.getLocalName())) {
addSupportedLocale(app, n);
} else if (RESOURCE_BUNDLE.equals(n.getLocalName())) {
addResouceBundle(associate, n);
} else if (RESOURCE_HANDLER.equals(n.getLocalName())) {
setResourceHandler(app, n);
} else if (SYSTEM_EVENT_LISTENER.equals(n.getLocalName())) {
addSystemEventListener(app, n);
} else if (DEFAULT_VALIDATORS.equals(n.getLocalName())) {
if (defaultValidatorIds == null) {
defaultValidatorIds = new LinkedHashSet();
} else {
defaultValidatorIds.clear();
}
} else if (VALIDATOR_ID.equals(n.getLocalName())) {
defaultValidatorIds.add(getNodeText(n));
}
}
}
}
}
}
registerDefaultValidatorIds(app, defaultValidatorIds);
// perform any special processing for ViewHandlers...
processViewHandlers(app, viewHandlers);
// process NamedEvent annotations, if any
processAnnotations(NamedEvent.class);
// continue processing...
invokeNext(sc, documentInfos);
}
// --------------------------------------------------------- Private Methods
/**
* If defaultValidatorIds is null, then no <default-validators> element appeared in any configuration file.
* In that case, add javax.faces.Bean if Bean Validation is available. If the <default-validators> appeared
* at least once, don't add the default (and empty <default-validator> element disabled default validators)
*/
private void registerDefaultValidatorIds(Application application, LinkedHashSet defaultValidatorIds) {
if (defaultValidatorIds == null) {
defaultValidatorIds = new LinkedHashSet();
if (isBeanValidatorAvailable()) {
WebConfiguration webConfig = WebConfiguration.getInstance();
if (!webConfig.isOptionEnabled(WebConfiguration.BooleanWebContextInitParameter.DisableDefaultBeanValidator)) {
defaultValidatorIds.add(BeanValidator.VALIDATOR_ID);
}
}
}
for (String validatorId : defaultValidatorIds) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.addDefaultValidatorId({0})",
validatorId));
}
application.addDefaultValidatorId(validatorId);
}
}
static boolean isBeanValidatorAvailable() {
boolean result = false;
final String beansValidationAvailabilityCacheKey =
"javax.faces.BEANS_VALIDATION_AVAILABLE";
Map appMap = FacesContext.getCurrentInstance().getExternalContext().getApplicationMap();
if (appMap.containsKey(beansValidationAvailabilityCacheKey)) {
result = (Boolean) appMap.get(beansValidationAvailabilityCacheKey);
} else {
try {
Thread.currentThread().getContextClassLoader().loadClass("javax.validation.MessageInterpolator");
// Check if the Implementation is available.
Object cachedObject = appMap.get(BeanValidator.VALIDATOR_FACTORY_KEY);
if(cachedObject instanceof ValidatorFactory) {
result = true;
} else {
try {
ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory();
appMap.put(BeanValidator.VALIDATOR_FACTORY_KEY, validatorFactory);
result = true;
// don't use ValidationException here, as this will try to load this
// class on instantiation of an ApplicationConfigProcessor.
} catch (Throwable e) {
if(LOGGER.isLoggable(Level.FINE)) {
String msg = "Could not build a default Bean Validator factory: "
+ e.getMessage();
LOGGER.fine(msg);
}
}
}
} catch (Throwable t) { // CNFE or ValidationException or any other
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Unable to load Beans Validation");
}
}
appMap.put(beansValidationAvailabilityCacheKey, result);
}
return result;
}
private void setMessageBundle(Application application,
Node messageBundle) {
if (messageBundle != null) {
String bundle = getNodeText(messageBundle);
if (bundle != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setMessageBundle({0})",
bundle));
}
application.setMessageBundle(bundle);
}
}
}
private void setDefaultRenderKitId(Application application,
Node defaultId) {
if (defaultId != null) {
String id = getNodeText(defaultId);
if (id != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setDefaultRenderKitId({0})",
id));
}
application.setDefaultRenderKitId(id);
}
}
}
private void addActionListener(Application application,
Node actionListener) {
if (actionListener != null) {
String listener = getNodeText(actionListener);
if (listener != null) {
Object instance = createInstance(listener,
ActionListener.class,
application.getActionListener(),
actionListener);
if (instance != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setActionListeners({0})",
listener));
}
application
.setActionListener((ActionListener) instance);
}
}
}
}
private void setNavigationHandler(Application application,
Node navigationHandler) {
if (navigationHandler != null) {
String handler = getNodeText(navigationHandler);
if (handler != null) {
Class rootType = findRootType(handler,
navigationHandler,
new Class[] {
ConfigurableNavigationHandler.class,
NavigationHandler.class
});
Object instance = createInstance(handler,
((rootType != null) ? rootType : NavigationHandler.class),
application.getNavigationHandler(),
navigationHandler);
if (instance != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setNavigationHandlers({0})",
handler));
}
application
.setNavigationHandler((NavigationHandler) instance);
}
}
}
}
private void setStateManager(Application application,
Node stateManager) {
if (stateManager != null) {
String manager = getNodeText(stateManager);
if (manager != null) {
Object instance = createInstance(manager,
StateManager.class,
application.getStateManager(),
stateManager);
if (instance != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setStateManagers({0})",
manager));
}
application.setStateManager((StateManager) instance);
}
}
}
}
private void setViewHandler(Application application,
Node viewHandler) {
if (viewHandler != null) {
String handler = getNodeText(viewHandler);
if (handler != null) {
Object instance = createInstance(handler,
ViewHandler.class,
application.getViewHandler(),
viewHandler);
if (instance != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setViewHandler({0})",
handler));
}
application.setViewHandler((ViewHandler) instance);
}
}
}
}
private void addELResolver(ApplicationAssociate associate,
Node elResolver) {
if (elResolver != null) {
if (associate != null) {
List resolvers = associate
.getELResolversFromFacesConfig();
if (resolvers == null) {
//noinspection CollectionWithoutInitialCapacity
resolvers = new ArrayList();
associate.setELResolversFromFacesConfig(resolvers);
}
String elResolverClass = getNodeText(elResolver);
if (elResolverClass != null) {
Object elRes = createInstance(elResolverClass,
ELResolver.class,
null,
elResolver);
if (elRes != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Adding ''{0}'' to ELResolver chain",
elResolverClass));
}
resolvers.add((ELResolver) elRes);
}
}
}
}
}
@SuppressWarnings("deprecation")
private void addPropertyResolver(ApplicationAssociate associate,
Node propertyResolver) {
if (propertyResolver != null) {
if (associate != null) {
Object resolverImpl = associate.getLegacyPRChainHead();
if (resolverImpl == null) {
resolverImpl = new DummyPropertyResolverImpl();
}
String resolver = getNodeText(propertyResolver);
if (resolver != null) {
resolverImpl = createInstance(resolver,
PropertyResolver.class,
resolverImpl,
propertyResolver);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Adding ''{0}'' to PropertyResolver chain",
resolverImpl));
}
}
if (resolverImpl != null) {
associate
.setLegacyPRChainHead((PropertyResolver) resolverImpl);
}
}
}
}
@SuppressWarnings("deprecation")
private void addVariableResolver(ApplicationAssociate associate,
Node variableResolver) {
if (variableResolver != null) {
if (associate != null) {
Object resolverImpl = associate.getLegacyVRChainHead();
if (resolverImpl == null) {
resolverImpl = new ChainAwareVariableResolver();
}
String resolver = getNodeText(variableResolver);
if (resolver != null) {
resolverImpl = createInstance(resolver,
VariableResolver.class,
resolverImpl,
variableResolver);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Adding ''{0}'' to VariableResolver chain",
resolverImpl));
}
}
if (resolverImpl != null) {
associate
.setLegacyVRChainHead((VariableResolver) resolverImpl);
}
}
}
}
private void setDefaultLocale(Application application,
Node defaultLocale) {
if (defaultLocale != null) {
String defLocale = getNodeText(defaultLocale);
if (defLocale != null) {
Locale def = Util.getLocaleFromString(defLocale);
if (def != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Setting default Locale to ''{0}''",
defLocale));
}
application.setDefaultLocale(def);
}
}
}
}
private void addSupportedLocale(Application application,
Node supportedLocale) {
if (supportedLocale != null) {
Set sLocales = getCurrentLocales(application);
String locString = getNodeText(supportedLocale);
if (locString != null) {
Locale loc = Util.getLocaleFromString(locString);
if (loc != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Adding supported Locale ''{0}''",
locString));
}
sLocales.add(loc);
}
application.setSupportedLocales(sLocales);
}
}
}
private void addResouceBundle(ApplicationAssociate associate,
Node resourceBundle) {
if (resourceBundle != null) {
NodeList children = resourceBundle.getChildNodes();
if (children != null) {
String baseName = null;
String var = null;
List descriptions = null;
List displayNames = null;
for (int i = 0, size = children.getLength(); i < size; i++) {
Node n = children.item(i);
if (n.getNodeType() == Node.ELEMENT_NODE) {
if (BASE_NAME.equals(n.getLocalName())) {
baseName = getNodeText(n);
} else if (VAR.equals(n.getLocalName())) {
var = getNodeText(n);
} else if (RES_DESCRIPTIONS.equals(n.getLocalName())) {
if (descriptions == null) {
descriptions = new ArrayList(2);
}
descriptions.add(n);
} else if (RES_DISPLAY_NAMES.equals(n.getLocalName())) {
if (displayNames == null) {
displayNames = new ArrayList(2);
}
displayNames.add(n);
}
}
}
if ((baseName != null) && (var != null)) {
associate.addResourceBundle(var,
new ApplicationResourceBundle(
baseName,
getTextMap(displayNames),
getTextMap(descriptions)));
}
}
}
}
private Set getCurrentLocales(Application application) {
//noinspection CollectionWithoutInitialCapacity
Set supportedLocales = new HashSet();
for (Iterator i = application.getSupportedLocales();
i.hasNext();) {
supportedLocales.add(i.next());
}
return supportedLocales;
}
private void setResourceHandler(Application application, Node resourceHandler) {
if (resourceHandler != null) {
String handler = getNodeText(resourceHandler);
if (handler != null) {
Object instance = createInstance(handler,
ResourceHandler.class,
application.getResourceHandler(),
resourceHandler);
if (instance != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Calling Application.setResourceHandler({0})",
handler));
}
application.setResourceHandler((ResourceHandler) instance);
}
}
}
}
private void addSystemEventListener(Application application,
Node systemEventListener) {
NodeList children = systemEventListener.getChildNodes();
String listenerClass = null;
String eventClass = null;
String sourceClass = null;
for (int j = 0, len = children.getLength(); j < len; j++) {
Node n = children.item(j);
if (n.getNodeType() == Node.ELEMENT_NODE) {
if (SYSTEM_EVENT_LISTENER_CLASS.equals(n.getLocalName())) {
listenerClass = getNodeText(n);
} else if (SYSTEM_EVENT_CLASS.equals(n.getLocalName())) {
eventClass = getNodeText(n);
} else if (SOURCE_CLASS.equals(n.getLocalName())) {
sourceClass = getNodeText(n);
}
}
}
if (listenerClass != null) {
SystemEventListener selInstance = (SystemEventListener)
createInstance(listenerClass,
SystemEventListener.class,
null,
systemEventListener);
if (selInstance != null) {
try {
// If there is an eventClass, use it, otherwise use
// SystemEvent.class
//noinspection unchecked
Class eventClazz =
(Class) loadClass(eventClass, this, null);
// If there is a sourceClass, use it, otherwise use null
Class sourceClazz =
(sourceClass != null && sourceClass.length() != 0)
? Util.loadClass(sourceClass, this.getClass())
: null;
application.subscribeToEvent(eventClazz,
sourceClazz,
selInstance);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"Subscribing for event {0} and source {1} using listener {2}",
new Object[]{
eventClazz.getName(),
((sourceClazz != null) ? sourceClazz
.getName() : "ANY"),
selInstance.getClass().getName()
});
}
} catch (ClassNotFoundException cnfe) {
throw new ConfigurationException(cnfe);
}
}
}
}
private void processViewHandlers(Application app,
LinkedHashMap viewHandlers) {
// take special action on the ViewHandlers that have been
// configured for the application. If any of the ViewHandlers
// is the FaceletViewHandler, don't install the 2.0
// FaceletViewHandler. Make the application behave as 1.2
// unless they use our ViewHandler
WebConfiguration webConfig = WebConfiguration.getInstance();
if (!webConfig.isOptionEnabled(DisableFaceletJSFViewHandler)) {
if (viewHandlers.containsKey("com.sun.facelets.FaceletViewHandler")) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
"jsf.application.legacy_facelet_viewhandler_detected",
"com.sun.facelets.FaceletViewHandler");
}
webConfig.overrideContextInitParameter(DisableFaceletJSFViewHandler, true);
}
}
for (Node n : viewHandlers.values()) {
setViewHandler(app, n);
}
}
}
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