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package com.sun.faces.application;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorManager;
import java.lang.reflect.Constructor;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.el.CompositeELResolver;
import javax.el.ELContextListener;
import javax.el.ELException;
import javax.el.ELResolver;
import javax.el.ExpressionFactory;
import javax.el.MethodExpression;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.application.NavigationHandler;
import javax.faces.application.ResourceHandler;
import javax.faces.application.StateManager;
import javax.faces.application.ViewHandler;
import javax.faces.application.ProjectStage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.component.behavior.Behavior;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.DateTimeConverter;
import javax.faces.el.MethodBinding;
import javax.faces.el.PropertyResolver;
import javax.faces.el.ReferenceSyntaxException;
import javax.faces.el.ValueBinding;
import javax.faces.el.VariableResolver;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionListener;
import javax.faces.validator.Validator;
import com.sun.faces.RIConstants;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.config.WebConfiguration.WebContextInitParameter;
import static com.sun.faces.config.WebConfiguration.BooleanWebContextInitParameter.DateTimeConverterUsesSystemTimezone;
import static com.sun.faces.config.WebConfiguration.BooleanWebContextInitParameter.RegisterConverterPropertyEditors;
import com.sun.faces.el.ELUtils;
import com.sun.faces.el.FacesCompositeELResolver;
import com.sun.faces.el.PropertyResolverImpl;
import com.sun.faces.el.VariableResolverImpl;
import com.sun.faces.util.Cache;
import com.sun.faces.util.Cache.Factory;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.MessageUtils;
import com.sun.faces.util.ReflectionUtils;
import com.sun.faces.util.Util;
import java.beans.BeanDescriptor;
import java.beans.BeanInfo;
import java.beans.PropertyDescriptor;
import java.util.LinkedHashSet;
import javax.faces.event.ExceptionQueuedEvent;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;
import javax.faces.event.SystemEventListenerHolder;
import javax.faces.event.ExceptionQueuedEventContext;
import java.util.List;
import java.util.TimeZone;
import java.util.LinkedHashMap;
import javax.el.ValueExpression;
import javax.faces.application.Resource;
import javax.faces.render.RenderKit;
import javax.faces.render.Renderer;
import javax.faces.view.ViewDeclarationLanguage;
/**
* <p><strong>Application</strong> represents a per-web-application
* singleton object where applications based on JavaServer Faces (or
* implementations wishing to provide extended functionality) can
* register application-wide singletons that provide functionality
* required by JavaServer Faces.
*/
public class ApplicationImpl extends Application {
// Log instance for this class
private static final Logger LOGGER = FacesLogger.APPLICATION.getLogger();
private static final ELContextListener[] EMPTY_EL_CTX_LIST_ARRAY = { };
private static final Map<String,Class<?>[]> STANDARD_CONV_ID_TO_TYPE_MAP =
new HashMap<String,Class<?>[]>(8, 1.0f);
private static final Map<Class<?>,String> STANDARD_TYPE_TO_CONV_ID_MAP =
new HashMap<Class<?>,String>(16, 1.0f);
static {
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Byte", new Class[] { Byte.TYPE, Byte.class});
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Boolean", new Class[] { Boolean.TYPE, Boolean.class});
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Character", new Class[] { Character.TYPE, Character.class});
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Short", new Class[] { Short.TYPE, Short.class });
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Integer", new Class[] { Integer.TYPE, Integer.class });
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Long", new Class[] { Long.TYPE, Long.class });
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Float", new Class[] { Float.TYPE, Float.class });
STANDARD_CONV_ID_TO_TYPE_MAP.put("javax.faces.Double", new Class[] { Double.TYPE, Double.class });
for (Map.Entry<String,Class<?>[]> entry : STANDARD_CONV_ID_TO_TYPE_MAP.entrySet()) {
Class<?>[] types = entry.getValue();
String key = entry.getKey();
for (Class<?> clazz : types) {
STANDARD_TYPE_TO_CONV_ID_MAP.put(clazz, key);
}
}
}
// Relationship Instance Variables
private ApplicationAssociate associate = null;
private ProjectStage projectStage;
private volatile ActionListener actionListener = null;
private volatile NavigationHandler navigationHandler = null;
private volatile PropertyResolverImpl propertyResolver = null;
volatile VariableResolverImpl variableResolver = null;
private volatile ViewHandler viewHandler = null;
private volatile ResourceHandler resourceHandler;
private volatile StateManager stateManager = null;
private volatile ArrayList<Locale> supportedLocales = null;
private volatile Locale defaultLocale = null;
//
// This map stores reference expression | value binding instance
// mappings.
//
//
// These three maps store store "identifier" | "class name"
// mappings.
//
private Map<String,Object> behaviorMap = null;
private Map<String,Object> componentMap = null;
private Map<String,Object> converterIdMap = null;
private Map<Class<?>,Object> converterTypeMap = null;
private Map<String,Object> validatorMap = null;
private Set<String> defaultValidatorIds = null;
private volatile Map<String,String> defaultValidatorInfo = null;
private volatile String messageBundle = null;
private List<ELContextListener> elContextListeners = null;
CompositeELResolver elResolvers = null;
FacesCompositeELResolver compositeELResolver = null;
private final SystemEventHelper systemEventHelper = new SystemEventHelper();
private final ComponentSystemEventHelper compSysEventHelper = new ComponentSystemEventHelper();
private boolean passDefaultTimeZone;
private boolean registerPropertyEditors;
private TimeZone systemTimeZone;
/**
* Constructor
*/
public ApplicationImpl() {
super();
associate = new ApplicationAssociate(this);
componentMap = new ConcurrentHashMap<String, Object>();
converterIdMap = new ConcurrentHashMap<String, Object>();
converterTypeMap = new ConcurrentHashMap<Class<?>, Object>();
validatorMap = new ConcurrentHashMap<String, Object>();
defaultValidatorIds = new LinkedHashSet<String>();
behaviorMap = new ConcurrentHashMap<String, Object>();
elContextListeners = new CopyOnWriteArrayList<ELContextListener>();
propertyResolver = new PropertyResolverImpl();
variableResolver = new VariableResolverImpl();
elResolvers = new CompositeELResolver();
FacesContext ctx = FacesContext.getCurrentInstance();
WebConfiguration webConfig = WebConfiguration.getInstance(ctx.getExternalContext());
passDefaultTimeZone = webConfig.isOptionEnabled(DateTimeConverterUsesSystemTimezone);
registerPropertyEditors = webConfig.isOptionEnabled(RegisterConverterPropertyEditors);
if (passDefaultTimeZone) {
systemTimeZone = TimeZone.getDefault();
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "Created Application instance ");
}
}
/**
* @see javax.faces.application.Application#publishEvent(FacesContext, Class, Object)
*/
@Override
public void publishEvent(FacesContext context,
Class<? extends SystemEvent> systemEventClass,
Object source) {
publishEvent(context, systemEventClass, null, source);
}
/**
* @see javax.faces.application.Application#publishEvent(FacesContext, Class, Object)
*/
@Override
public void publishEvent(FacesContext context,
Class<? extends SystemEvent> systemEventClass,
Class<?> sourceBaseType,
Object source) {
Util.notNull("context", context);
Util.notNull("systemEventClass", systemEventClass);
Util.notNull("source", source);
if (!needsProcessing(context, systemEventClass)) {
return;
}
// source is not compatible with the provided base type.
// Log a warning that the types are incompatible and return.
if (getProjectStage() == ProjectStage.Development
&& sourceBaseType != null
&& !sourceBaseType.isInstance(source)) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
"jsf.application.publish.event.base_type_mismatch",
new Object[] { source.getClass().getName(),
sourceBaseType.getName() });
}
return;
}
try {
// The side-effect of calling invokeListenersFor
// will create a SystemEvent object appropriate to event/source
// combination. This event will be passed on subsequent invocations
// of invokeListenersFor
SystemEvent event;
// Look for and invoke any listeners stored on the source instance.
event = invokeComponentListenersFor(systemEventClass, source);
// Look for and invoke any 'view' listeners
event = invokeViewListenersFor(context, systemEventClass, event, source);
// look for and invoke any listeners stored on the application
// using source type.
event = invokeListenersFor(systemEventClass,
event,
source,
sourceBaseType,
true);
// look for and invoke any listeners not specific to the source class
invokeListenersFor(systemEventClass, event, source, null, false);
} catch (AbortProcessingException ape) {
context.getApplication().publishEvent(context,
ExceptionQueuedEvent.class,
new ExceptionQueuedEventContext(context, ape));
}
}
/**
* @see Application#subscribeToEvent(Class, Class, javax.faces.event.SystemEventListener)
*/
@Override
public void subscribeToEvent(Class<? extends SystemEvent> systemEventClass,
Class<?> sourceClass,
SystemEventListener listener) {
Util.notNull("systemEventClass", systemEventClass);
Util.notNull("listener", listener);
Set<SystemEventListener> listeners =
getListeners(systemEventClass, sourceClass);
listeners.add(listener);
}
/**
* @see Application#subscribeToEvent(Class, javax.faces.event.SystemEventListener)
*/
@Override
public void subscribeToEvent(Class<? extends SystemEvent> systemEventClass,
SystemEventListener listener) {
subscribeToEvent(systemEventClass, null, listener);
}
/**
* @see Application#unsubscribeFromEvent(Class, Class, javax.faces.event.SystemEventListener)
*/
@Override
public void unsubscribeFromEvent(Class<? extends SystemEvent> systemEventClass,
Class<?> sourceClass,
SystemEventListener listener) {
Util.notNull("systemEventClass", systemEventClass);
Util.notNull("listener", listener);
Set<SystemEventListener> listeners =
getListeners(systemEventClass, sourceClass);
if (listeners != null) {
listeners.remove(listener);
}
}
/**
* @see Application#unsubscribeFromEvent(Class, javax.faces.event.SystemEventListener)
*/
@Override
public void unsubscribeFromEvent(Class<? extends SystemEvent> systemEventClass,
SystemEventListener listener) {
unsubscribeFromEvent(systemEventClass, null, listener);
}
/**
* @see javax.faces.application.Application#addELContextListener(javax.el.ELContextListener)
*/
@Override
public void addELContextListener(ELContextListener listener) {
if (listener != null) {
elContextListeners.add(listener);
}
}
/**
* @see javax.faces.application.Application#removeELContextListener(javax.el.ELContextListener)
*/
@Override
public void removeELContextListener(ELContextListener listener) {
if (listener != null) {
elContextListeners.remove(listener);
}
}
/**
* @see javax.faces.application.Application#getELContextListeners()
*/
@Override
public ELContextListener [] getELContextListeners() {
if (!elContextListeners.isEmpty()) {
return (elContextListeners.toArray(
new ELContextListener[elContextListeners.size()]));
} else {
return (EMPTY_EL_CTX_LIST_ARRAY);
}
}
/**
* @see javax.faces.application.Application#getExpressionFactory()
*/
@Override
public ExpressionFactory getExpressionFactory() {
return associate.getExpressionFactory();
}
/**
* @see javax.faces.application.Application#evaluateExpressionGet(javax.faces.context.FacesContext, String, Class)
*/
@Override
public <T> T evaluateExpressionGet(FacesContext context,
String expression,
Class<? extends T> expectedType) throws ELException {
ValueExpression ve =
getExpressionFactory().createValueExpression(context.getELContext(),
expression,
expectedType);
//noinspection unchecked
return (T)(ve.getValue(context.getELContext()));
}
/**
* @see javax.faces.application.Application#createComponent(javax.el.ValueExpression, javax.faces.context.FacesContext, String)
*/
@Override
public UIComponent createComponent(ValueExpression componentExpression,
FacesContext context,
String componentType)
throws FacesException {
Util.notNull("componentExpression", componentExpression);
Util.notNull("context", context);
Util.notNull("componentType", componentType);
return createComponentApplyAnnotations(context,
componentExpression,
componentType,
null,
true);
}
/**
* @see javax.faces.application.Application#getELResolver()
*/
@Override
public ELResolver getELResolver() {
if (compositeELResolver == null) {
performOneTimeELInitialization();
}
return compositeELResolver;
}
/**
* @see javax.faces.application.Application#addELResolver(javax.el.ELResolver)
*/
@Override
public void addELResolver(ELResolver resolver) {
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "ELResolver"));
}
elResolvers.add(resolver);
}
/**
* @see javax.faces.application.Application#getProjectStage()
*/
@Override
public ProjectStage getProjectStage() {
if (projectStage == null) {
WebConfiguration webConfig =
WebConfiguration.getInstance(
FacesContext.getCurrentInstance().getExternalContext());
String value = webConfig.getEnvironmentEntry(WebConfiguration.WebEnvironmentEntry.ProjectStage);
if (value != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"ProjectStage configured via JNDI: {0}",
value);
}
} else {
value = webConfig.getOptionValue(WebContextInitParameter.JavaxFacesProjectStage);
if (value != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"ProjectStage configured via servlet context init parameter: {0}",
value);
}
}
}
if (value != null) {
try {
projectStage = ProjectStage.valueOf(value);
} catch (IllegalArgumentException iae) {
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.log(Level.INFO,
"Unable to discern ProjectStage for value {0}.",
value);
}
}
}
if (projectStage == null) {
projectStage = ProjectStage.Production;
}
}
return projectStage;
}
public CompositeELResolver getApplicationELResolvers() {
return elResolvers;
}
/**
* @see javax.faces.application.Application#getActionListener()
*/
public ActionListener getActionListener() {
return actionListener;
}
/**
* @see javax.faces.application.Application#getViewHandler()
*/
public ViewHandler getViewHandler() {
return viewHandler;
}
/**
* @see javax.faces.application.Application#setViewHandler(javax.faces.application.ViewHandler)
*/
public synchronized void setViewHandler(ViewHandler viewHandler) {
Util.notNull("viewHandler", viewHandler);
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "ViewHandler"));
}
this.viewHandler = viewHandler;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, MessageFormat.format("set ViewHandler Instance to ''{0}''", viewHandler.getClass().getName()));
}
}
/**
* @see javax.faces.application.Application#getResourceHandler()
*/
@Override
public ResourceHandler getResourceHandler() {
return resourceHandler;
}
/**
* @see javax.faces.application.Application#setResourceHandler(javax.faces.application.ResourceHandler)
*/
@Override
public synchronized void setResourceHandler(ResourceHandler resourceHandler) {
Util.notNull("resourceHandler", resourceHandler);
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "ResourceHandler"));
}
this.resourceHandler = resourceHandler;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"set ResourceHandler Instance to ''{0}''",
resourceHandler.getClass().getName());
}
}
/**
* @see javax.faces.application.Application#getStateManager()
*/
public StateManager getStateManager() {
return stateManager;
}
/**
* @see javax.faces.application.Application#setStateManager(javax.faces.application.StateManager)
*/
public synchronized void setStateManager(StateManager stateManager) {
Util.notNull("stateManager", stateManager);
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "StateManager"));
}
this.stateManager = stateManager;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, MessageFormat.format("set StateManager Instance to ''{0}''",
stateManager.getClass().getName()));
}
}
/**
* @see Application#setActionListener(javax.faces.event.ActionListener)
*/
public synchronized void setActionListener(ActionListener actionListener) {
Util.notNull("actionListener", actionListener);
this.actionListener = actionListener;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("set ActionListener Instance to ''{0}''",
actionListener.getClass().getName()));
}
}
/**
* @see javax.faces.application.Application#getNavigationHandler()
*/
public NavigationHandler getNavigationHandler() {
return navigationHandler;
}
/**
* @see javax.faces.application.Application#setNavigationHandler(javax.faces.application.NavigationHandler)
*/
public synchronized void setNavigationHandler(NavigationHandler navigationHandler) {
Util.notNull("navigationHandler", navigationHandler);
this.navigationHandler = navigationHandler;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("set NavigationHandler Instance to ''{0}''",
navigationHandler.getClass().getName()));
}
}
/**
* @see javax.faces.application.Application#setPropertyResolver(javax.faces.el.PropertyResolver)
*/
@SuppressWarnings("deprecation")
public PropertyResolver getPropertyResolver() {
if (compositeELResolver == null) {
performOneTimeELInitialization();
}
return propertyResolver;
}
/**
* @see javax.faces.application.Application#getResourceBundle(javax.faces.context.FacesContext, String)
*/
@Override
public ResourceBundle getResourceBundle(FacesContext context, String var) {
Util.notNull("context", context);
Util.notNull("var", var);
return associate.getResourceBundle(context, var);
}
/**
* @see javax.faces.application.Application#setPropertyResolver(javax.faces.el.PropertyResolver)
*/
@SuppressWarnings("deprecation")
public void setPropertyResolver(PropertyResolver resolver) {
// Throw Illegal State Exception if a PropertyResolver is set after
// a request has been processed.
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "PropertyResolver"));
}
if (resolver == null) {
String message = MessageUtils.getExceptionMessageString
(MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "resolver");
throw new NullPointerException(message);
}
propertyResolver.setDelegate(ELUtils.getDelegatePR(associate, true));
associate.setLegacyPropertyResolver(resolver);
propertyResolver = new PropertyResolverImpl();
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("set PropertyResolver Instance to ''{0}''", resolver.getClass().getName()));
}
}
/**
* @see javax.faces.application.Application#createMethodBinding(String, Class[])
*/
@SuppressWarnings("deprecation")
public MethodBinding createMethodBinding(String ref, Class<?> params[]) {
Util.notNull("ref", ref);
if (!(ref.startsWith("#{") && ref.endsWith("}"))) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Expression ''{0}'' does not follow the syntax #{...}", ref));
}
throw new ReferenceSyntaxException(ref);
}
FacesContext context = FacesContext.getCurrentInstance();
MethodExpression result;
try {
// return a MethodBinding that wraps a MethodExpression.
if (null == params) {
params = RIConstants.EMPTY_CLASS_ARGS;
}
result =
getExpressionFactory().
createMethodExpression(context.getELContext(), ref, null,
params);
} catch (ELException elex) {
throw new ReferenceSyntaxException(elex);
}
return (new MethodBindingMethodExpressionAdapter(result));
}
/**
* @see javax.faces.application.Application#createValueBinding(String)
*/
@SuppressWarnings("deprecation")
public ValueBinding createValueBinding(String ref)
throws ReferenceSyntaxException {
Util.notNull("ref", ref);
ValueExpression result;
FacesContext context = FacesContext.getCurrentInstance();
// return a ValueBinding that wraps a ValueExpression.
try {
result= getExpressionFactory().
createValueExpression(context.getELContext(),ref,
Object.class);
} catch (ELException elex) {
throw new ReferenceSyntaxException(elex);
}
return (new ValueBindingValueExpressionAdapter(result));
}
/**
* @see javax.faces.application.Application#getVariableResolver()
*/
@SuppressWarnings("deprecation")
public VariableResolver getVariableResolver() {
if (compositeELResolver == null) {
performOneTimeELInitialization();
}
return variableResolver;
}
/**
* @see javax.faces.application.Application#setVariableResolver(javax.faces.el.VariableResolver)
*/
@SuppressWarnings("deprecation")
public void setVariableResolver(VariableResolver resolver) {
Util.notNull("variableResolver", resolver);
if (associate.hasRequestBeenServiced()) {
throw new IllegalStateException(
MessageUtils.getExceptionMessageString(
MessageUtils.ILLEGAL_ATTEMPT_SETTING_APPLICATION_ARTIFACT_ID, "VariableResolver"));
}
variableResolver.setDelegate(ELUtils.getDelegateVR(associate, true));
associate.setLegacyVariableResolver(resolver);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("set VariableResolver Instance to ''{0}''",
variableResolver.getClass().getName()));
}
}
/**
* @see javax.faces.application.Application#addBehavior(String, String)
*/
public void addBehavior(String behaviorId, String behaviorClass) {
Util.notNull("behaviorId", behaviorId);
Util.notNull("behaviorClass", behaviorClass);
if (LOGGER.isLoggable(Level.FINE) && behaviorMap.containsKey(behaviorId)) {
LOGGER.log(Level.FINE,
"behaviorId {0} has already been registered. Replacing existing behavior class type {1} with {2}.",
new Object[] { behaviorId, behaviorMap.get(behaviorId), behaviorClass });
}
behaviorMap.put(behaviorId, behaviorClass);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("added behavior of type ''{0}'' class ''{1}''",
behaviorId,
behaviorClass));
}
}
/**
* @see javax.faces.application.Application#createBehavior(String)
*/
public Behavior createBehavior(String behaviorId) throws FacesException {
Util.notNull("behaviorId", behaviorId);
Behavior returnVal = (Behavior) newThing(behaviorId, behaviorMap);
if (returnVal == null) {
Object[] params = {behaviorId};
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.cannot_instantiate_behavior_error", params);
}
throw new FacesException(MessageUtils.getExceptionMessageString(
MessageUtils.NAMED_OBJECT_NOT_FOUND_ERROR_MESSAGE_ID, params));
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("created behavior of type ''{0}''",
behaviorId));
}
associate.getAnnotationManager().applyBehaviorAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
/**
* @see javax.faces.application.Application#getBehaviorIds()
*/
public Iterator<String> getBehaviorIds() {
return behaviorMap.keySet().iterator();
}
/**
* @see javax.faces.application.Application#addComponent(String, String)
*/
public void addComponent(String componentType, String componentClass) {
Util.notNull("componentType", componentType);
Util.notNull("componentType", componentClass);
if (LOGGER.isLoggable(Level.FINE) && componentMap.containsKey(componentType)) {
LOGGER.log(Level.FINE,
"componentType {0} has already been registered. Replacing existing component class type {1} with {2}.",
new Object[] { componentType, componentMap.get(componentType), componentClass });
}
componentMap.put(componentType, componentClass);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("added component of type ''{0}'' and class ''{1}''",
componentType,
componentClass));
}
}
/**
* @see javax.faces.application.Application#createComponent(String)
*/
public UIComponent createComponent(String componentType) throws FacesException {
Util.notNull("componentType", componentType);
return createComponentApplyAnnotations(FacesContext.getCurrentInstance(),
componentType,
null,
true);
}
/**
* @see javax.faces.application.Application#createComponent(javax.faces.context.FacesContext, javax.faces.application.Resource)
*/
@Override
public UIComponent createComponent(FacesContext context, Resource componentResource) throws FacesException {
// RELEASE_PENDING (rlubke,driscoll) this method needs review.
Util.notNull("context", context);
Util.notNull("componentResource", componentResource);
UIComponent result = null;
// use the application defined in the FacesContext as we may be calling
// overriden methods
Application app = context.getApplication();
ViewDeclarationLanguage pdl = app.getViewHandler().getViewDeclarationLanguage(context, context.getViewRoot().getViewId());
BeanInfo componentMetadata = pdl.getComponentMetadata(context,
componentResource);
if (null != componentMetadata){
BeanDescriptor componentBeanDescriptor = componentMetadata.getBeanDescriptor();
// Step 1. See if the composite component author explicitly
// gave a componentType as part of the composite component metadata
ValueExpression ve = (ValueExpression)
componentBeanDescriptor.getValue(UIComponent.COMPOSITE_COMPONENT_TYPE_KEY);
if (null != ve) {
String componentType = (String) ve.getValue(context.getELContext());
if (null != componentType && 0 < componentType.length()) {
result = app.createComponent(componentType);
}
}
}
// Step 2. If that didn't work, if a script based resource can be
// found for the scriptComponentResource,
// see if a component can be generated from it
if (null == result) {
Resource scriptComponentResource = pdl.getScriptComponentResource(context, componentResource);
if (null != scriptComponentResource) {
result = createComponentFromScriptResource(context,
scriptComponentResource, componentResource);
}
}
// Step 3. Use the libraryName of the resource as the java package
// and use the resourceName as the class name. See
// if a Java class can be loaded
if (null == result) {
String packageName = componentResource.getLibraryName();
String className = componentResource.getResourceName();
className = packageName + '.' + className.substring(0, className.lastIndexOf('.'));
try {
Class<?> clazz = (Class<?>) componentMap.get(className);
if (clazz == null) {
clazz = Util.loadClass(className, this);
}
if (clazz != ComponentResourceClassNotFound.class) {
if (!associate.isDevModeEnabled()) {
componentMap.put(className, clazz);
}
result = (UIComponent) clazz.newInstance();
}
} catch (ClassNotFoundException ex) {
if (!associate.isDevModeEnabled()) {
componentMap.put(className, ComponentResourceClassNotFound.class);
}
} catch (InstantiationException ie) {
throw new FacesException(ie);
} catch (IllegalAccessException iae) {
throw new FacesException(iae);
} catch (ClassCastException cce) {
throw new FacesException(cce);
} catch (Exception otherwise) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
otherwise.toString(),
otherwise);
}
}
}
// Step 4. Use javax.faces.NamingContainer as the component type
if (null == result) {
result = app.createComponent("javax.faces.NamingContainer");
}
assert (null != result);
result.setRendererType("javax.faces.Composite");
Map<String, Object> attrs = result.getAttributes();
attrs.put(Resource.COMPONENT_RESOURCE_KEY,
componentResource);
attrs.put(UIComponent.BEANINFO_KEY,
componentMetadata);
associate.getAnnotationManager().applyComponentAnnotations(context, result);
pushDeclaredDefaultValuesToAttributesMap(context, componentMetadata, attrs);
return result;
}
/*
* This method makes it so that any cc:attribute elements that have
* a "default" attribute value have those values pushed into the
* composite component attribute map so that programmatic access
* (as opposed to EL access) will find the attribute values.
*
*/
private void pushDeclaredDefaultValuesToAttributesMap(FacesContext context,
BeanInfo componentMetadata, Map<String, Object> attrs) {
PropertyDescriptor[] declaredAttributes = componentMetadata.getPropertyDescriptors();
Object defaultValue;
String key;
Collection<String> attributesWithDeclaredDefaultValues = null;
for (PropertyDescriptor cur : declaredAttributes) {
defaultValue = cur.getValue("default");
if (null != defaultValue) {
key = cur.getName();
boolean isLiteralText = false;
if (defaultValue instanceof ValueExpression) {
isLiteralText = ((ValueExpression)defaultValue).isLiteralText();
if (isLiteralText) {
defaultValue = ((ValueExpression)defaultValue).getValue(context.getELContext());
}
}
// ensure this attribute is not a method-signature. method-signature
// declared default values are handled in retargetMethodExpressions.
if (null == cur.getValue("method-signature") || null != cur.getValue("type")) {
if (null == attributesWithDeclaredDefaultValues) {
BeanDescriptor desc = componentMetadata.getBeanDescriptor();
attributesWithDeclaredDefaultValues = (Collection<String>)
desc.getValue(UIComponent.ATTRS_WITH_DECLARED_DEFAULT_VALUES);
if (null == attributesWithDeclaredDefaultValues) {
attributesWithDeclaredDefaultValues = new ArrayList<String>();
desc.setValue(UIComponent.ATTRS_WITH_DECLARED_DEFAULT_VALUES,
attributesWithDeclaredDefaultValues);
}
}
attributesWithDeclaredDefaultValues.add(key);
// Only store the attribute if it is literal text. If it
// is a ValueExpression, it will be handled explicitly in
// CompositeComponentAttributesELResolver.ExpressionEvalMap.get().
// If it is a MethodExpression, it will be dealt with in
// retargetMethodExpressions.
if (isLiteralText) {
attrs.put(key, defaultValue);
}
}
}
}
}
/**
* @see javax.faces.application.Application#createComponent(javax.faces.el.ValueBinding, javax.faces.context.FacesContext, String)
*/
@SuppressWarnings("deprecation")
public UIComponent createComponent(ValueBinding componentBinding,
FacesContext context,
String componentType)
throws FacesException {
Util.notNull("componentBinding", componentBinding);
Util.notNull("context", context);
Util.notNull("componentType", componentType);
Object result;
boolean createOne = false;
try {
result = componentBinding.getValue(context);
if (result != null) {
createOne = (!(result instanceof UIComponent));
}
if (result == null || createOne) {
result = this.createComponentApplyAnnotations(context,
componentType,
null,
false);
componentBinding.setValue(context, result);
}
} catch (Exception ex) {
throw new FacesException(ex);
}
return (UIComponent) result;
}
/**
* @see javax.faces.application.Application#createComponent(javax.el.ValueExpression, javax.faces.context.FacesContext, String, String)
*/
@Override
public UIComponent createComponent(ValueExpression componentExpression,
FacesContext context,
String componentType,
String rendererType) {
Util.notNull("componentExpression", componentExpression);
Util.notNull("context", context);
Util.notNull("componentType", componentType);
return createComponentApplyAnnotations(context,
componentExpression,
componentType,
rendererType,
true);
}
/**
* @see javax.faces.application.Application#createComponent(javax.faces.context.FacesContext, String, String)
*/
@Override
public UIComponent createComponent(FacesContext context,
String componentType,
String rendererType) {
Util.notNull("context", context);
Util.notNull("componentType", componentType);
return createComponentApplyAnnotations(context,
componentType,
rendererType,
true);
}
/**
* @see javax.faces.application.Application#getComponentTypes()
*/
public Iterator<String> getComponentTypes() {
return componentMap.keySet().iterator();
}
/**
* @see javax.faces.application.Application#addConverter(String, String)
*/
public void addConverter(String converterId, String converterClass) {
Util.notNull("converterId", converterId);
Util.notNull("converterClass", converterClass);
if (LOGGER.isLoggable(Level.FINE) && converterIdMap.containsKey(converterId)) {
LOGGER.log(Level.FINE,
"converterId {0} has already been registered. Replacing existing converter class type {1} with {2}.",
new Object[] { converterId, converterIdMap.get(converterId), converterClass });
}
converterIdMap.put(converterId, converterClass);
Class<?>[] types = STANDARD_CONV_ID_TO_TYPE_MAP.get(converterId);
if (types != null) {
for (Class<?> clazz : types) {
// go directly against map to prevent cyclic method calls
converterTypeMap.put(clazz, converterClass);
addPropertyEditorIfNecessary(clazz);
}
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("added converter of type ''{0}'' and class ''{1}''",
converterId,
converterClass));
}
}
/**
* @see javax.faces.application.Application#addConverter(Class, String)
*/
public void addConverter(Class<?> targetClass, String converterClass) {
Util.notNull("targetClass", targetClass);
Util.notNull("converterClass", converterClass);
String converterId = STANDARD_TYPE_TO_CONV_ID_MAP.get(targetClass);
if (converterId != null) {
addConverter(converterId, converterClass);
} else {
if (LOGGER.isLoggable(Level.FINE) && converterTypeMap
.containsKey(targetClass)) {
LOGGER.log(Level.FINE,
"converter target class {0} has already been registered. Replacing existing converter class type {1} with {2}.",
new Object[]{
targetClass.getName(),
converterTypeMap.get(targetClass),
converterClass});
}
converterTypeMap.put(targetClass, converterClass);
addPropertyEditorIfNecessary(targetClass);
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("added converter of class type ''{0}''", converterClass));
}
}
private final String [] STANDARD_BY_TYPE_CONVERTER_CLASSES = {
"java.math.BigDecimal",
"java.lang.Boolean",
"java.lang.Byte",
"java.lang.Character",
"java.lang.Double",
"java.lang.Float",
"java.lang.Integer",
"java.lang.Long",
"java.lang.Short",
"java.lang.Enum"
};
/**
* <p>To enable EL Coercion to use JSF Custom converters, this
* method will call <code>PropertyEditorManager.registerEditor()</code>,
* passing the <code>ConverterPropertyEditor</code> class for the
* <code>targetClass</code> if the target class is not one of the standard
* by-type converter target classes.
* @param targetClass the target class for which a PropertyEditory may or
* may not be created
*/
private void addPropertyEditorIfNecessary(Class<?> targetClass) {
if (!registerPropertyEditors) {
return;
}
PropertyEditor editor = PropertyEditorManager.findEditor(targetClass);
if (null != editor) {
return;
}
String className = targetClass.getName();
// Don't add a PropertyEditor for the standard by-type converters.
if (targetClass.isPrimitive()) {
return;
}
for (String standardClass : STANDARD_BY_TYPE_CONVERTER_CLASSES) {
if (-1 != standardClass.indexOf(className)) {
return;
}
}
Class<?> editorClass = ConverterPropertyEditorFactory.getDefaultInstance().definePropertyEditorClassFor(targetClass);
if (editorClass != null) {
PropertyEditorManager.registerEditor(targetClass, editorClass);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(MessageFormat.format("definePropertyEditorClassFor({0}) returned null.", targetClass.getName()));
}
}
}
private void performOneTimeELInitialization() {
if (null != compositeELResolver) {
throw new IllegalStateException("Class invariant invalidated: " +
"The Application instance's ELResolver is not null " +
"and it should be.");
}
associate.initializeELResolverChains();
}
/**
* @see javax.faces.application.Application#createConverter(String)
*/
public Converter createConverter(String converterId) {
Util.notNull("converterId", converterId);
Converter returnVal = (Converter) newThing(converterId, converterIdMap);
if (returnVal == null) {
Object[] params = {converterId};
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.cannot_instantiate_converter_error", converterId);
}
throw new FacesException(MessageUtils.getExceptionMessageString(
MessageUtils.NAMED_OBJECT_NOT_FOUND_ERROR_MESSAGE_ID, params));
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("created converter of type ''{0}''", converterId));
}
if (passDefaultTimeZone && returnVal instanceof DateTimeConverter) {
((DateTimeConverter) returnVal).setTimeZone(systemTimeZone);
}
associate.getAnnotationManager().applyConverterAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
/**
* @see javax.faces.application.Application#createConverter(Class)
*/
public Converter createConverter(Class<?> targetClass) {
Util.notNull("targetClass", targetClass);
Converter returnVal = (Converter) newConverter(targetClass,
converterTypeMap,targetClass);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
if (passDefaultTimeZone
&& returnVal instanceof DateTimeConverter) {
((DateTimeConverter) returnVal).setTimeZone(systemTimeZone);
}
associate.getAnnotationManager().applyConverterAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
//Search for converters registered to interfaces implemented by
//targetClass
Class<?>[] interfaces = targetClass.getInterfaces();
if (interfaces != null) {
for (int i = 0; i < interfaces.length; i++) {
returnVal = createConverterBasedOnClass(interfaces[i], targetClass);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
if (passDefaultTimeZone
&& returnVal instanceof DateTimeConverter) {
((DateTimeConverter) returnVal)
.setTimeZone(systemTimeZone);
}
associate.getAnnotationManager().applyConverterAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
}
}
//Search for converters registered to superclasses of targetClass
Class<?> superclass = targetClass.getSuperclass();
if (superclass != null) {
returnVal = createConverterBasedOnClass(superclass, targetClass);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
if (passDefaultTimeZone
&& returnVal instanceof DateTimeConverter) {
((DateTimeConverter) returnVal).setTimeZone(systemTimeZone);
}
associate.getAnnotationManager().applyConverterAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
}
return returnVal;
}
protected Converter createConverterBasedOnClass(Class<?> targetClass,
Class<?> baseClass) {
Converter returnVal = (Converter) newConverter(targetClass,
converterTypeMap, baseClass);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
return returnVal;
}
//Search for converters registered to interfaces implemented by
//targetClass
Class<?>[] interfaces = targetClass.getInterfaces();
if (interfaces != null) {
for (int i = 0; i < interfaces.length; i++) {
returnVal = createConverterBasedOnClass(interfaces[i], null);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
return returnVal;
}
}
}
//Search for converters registered to superclasses of targetClass
Class<?> superclass = targetClass.getSuperclass();
if (superclass != null) {
returnVal = createConverterBasedOnClass(superclass, null);
if (returnVal != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("Created converter of type ''{0}''",
returnVal.getClass().getName()));
}
return returnVal;
}
}
return returnVal;
}
/**
* @see javax.faces.application.Application#getConverterIds()
*/
public Iterator<String> getConverterIds() {
return converterIdMap.keySet().iterator();
}
/**
* @see javax.faces.application.Application#getConverterTypes()
*/
public Iterator<Class<?>> getConverterTypes() {
return converterTypeMap.keySet().iterator();
}
/**
* @see javax.faces.application.Application#getSupportedLocales()
*/
public Iterator<Locale> getSupportedLocales() {
if (null != supportedLocales) {
return supportedLocales.iterator();
} else {
return Collections.<Locale>emptyList().iterator();
}
}
/**
* @see javax.faces.application.Application#setSupportedLocales(java.util.Collection)
*/
public synchronized void setSupportedLocales(Collection<Locale> newLocales) {
Util.notNull("newLocales", newLocales);
supportedLocales = new ArrayList<Locale>(newLocales);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, MessageFormat.format("set Supported Locales ''{0}''",
supportedLocales.toString()));
}
}
/**
* @see javax.faces.application.Application#getDefaultLocale()
*/
public Locale getDefaultLocale() {
return defaultLocale;
}
/**
* @see javax.faces.application.Application#setDefaultLocale(java.util.Locale)
*/
public synchronized void setDefaultLocale(Locale locale) {
Util.notNull("locale", locale);
defaultLocale = locale;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, (MessageFormat.format("set defaultLocale ''{0}''",
defaultLocale.getClass().getName())));
}
}
protected String defaultRenderKitId = null;
/**
* @see javax.faces.application.Application#getDefaultRenderKitId()
*/
public String getDefaultRenderKitId() {
return defaultRenderKitId;
}
/**
* @see javax.faces.application.Application#setDefaultRenderKitId(String)
*/
public void setDefaultRenderKitId(String renderKitId) {
defaultRenderKitId = renderKitId;
}
/**
* @see javax.faces.application.Application#addValidator(String, String)
*/
public void addValidator(String validatorId, String validatorClass) {
Util.notNull("validatorId", validatorId);
Util.notNull("validatorClass", validatorClass);
if (LOGGER.isLoggable(Level.FINE) && validatorMap.containsKey(validatorId)) {
LOGGER.log(Level.FINE,
"validatorId {0} has already been registered. Replacing existing validator class type {1} with {2}.",
new Object[] { validatorId, validatorMap.get(validatorId), validatorClass });
}
validatorMap.put(validatorId, validatorClass);
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("added validator of type ''{0}'' class ''{1}''",
validatorId,
validatorClass));
}
}
/**
* @see javax.faces.application.Application#createValidator(String)
*/
public Validator createValidator(String validatorId) throws FacesException {
Util.notNull("validatorId", validatorId);
Validator returnVal = (Validator) newThing(validatorId, validatorMap);
if (returnVal == null) {
Object[] params = {validatorId};
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.cannot_instantiate_validator_error", params);
}
throw new FacesException(MessageUtils.getExceptionMessageString(
MessageUtils.NAMED_OBJECT_NOT_FOUND_ERROR_MESSAGE_ID, params));
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(MessageFormat.format("created validator of type ''{0}''",
validatorId));
}
associate.getAnnotationManager().applyValidatorAnnotations(FacesContext.getCurrentInstance(), returnVal);
return returnVal;
}
/**
* @see javax.faces.application.Application#getValidatorIds()
*/
public Iterator<String> getValidatorIds() {
return validatorMap.keySet().iterator();
}
/**
* @see javax.faces.application.Application#addDefaultValidatorId(String)
*/
public synchronized void addDefaultValidatorId(String validatorId) {
Util.notNull("validatorId", validatorId);
defaultValidatorInfo = null;
defaultValidatorIds.add(validatorId);
}
/**
* @see javax.faces.application.Application#getDefaultValidatorInfo()
*/
public Map<String,String> getDefaultValidatorInfo() {
if (defaultValidatorInfo == null) {
synchronized (this) {
if (defaultValidatorInfo == null) {
defaultValidatorInfo = new LinkedHashMap<String, String>();
if (!defaultValidatorIds.isEmpty()) {
for (String id : defaultValidatorIds) {
String validatorClass;
Object result = validatorMap.get(id);
if (null != result) {
if (result instanceof Class) {
validatorClass = ((Class) result).getName();
} else {
validatorClass = result.toString();
}
defaultValidatorInfo.put(id, validatorClass);
}
}
}
}
}
defaultValidatorInfo =
Collections.unmodifiableMap(defaultValidatorInfo);
}
return defaultValidatorInfo;
}
/**
* @see javax.faces.application.Application#setMessageBundle(String)
*/
public synchronized void setMessageBundle(String messageBundle) {
Util.notNull("messageBundle", messageBundle);
this.messageBundle = messageBundle;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, MessageFormat.format("set messageBundle ''{0}''",
messageBundle));
}
}
/**
* @see javax.faces.application.Application#getMessageBundle()
*/
public String getMessageBundle() {
return messageBundle;
}
/**
* <p>PRECONDITIONS: the values in the Map are either Strings
* representing fully qualified java class names, or java.lang.Class
* instances.</p>
* <p>ALGORITHM: Look in the argument map for a value for the argument
* key. If found, if the value is instanceof String, assume the String
* specifies a fully qualified java class name and obtain the
* java.lang.Class instance for that String using Util.loadClass().
* Replace the String instance in the argument map with the Class
* instance. If the value is instanceof Class, proceed. Assert that the
* value is either instanceof java.lang.Class or java.lang.String.</p>
* <p>Now that you have a java.lang.class, call its newInstance and
* return it as the result of this method.</p>
*
* @param key Used to look up the value in the <code>Map</code>.
* @param map The <code>Map</code> that will be searched.
* @return The new object instance.
*/
protected Object newThing(String key, Map<String, Object> map) {
assert (key != null && map != null);
Object result;
Class<?> clazz;
Object value;
value = map.get(key);
if (value == null) {
return null;
}
assert (value instanceof String || value instanceof Class);
if (value instanceof String) {
String cValue = (String) value;
try {
clazz = Util.loadClass(cValue, value);
if (!associate.isDevModeEnabled()) {
map.put(key, clazz);
}
assert (clazz != null);
} catch (Exception e) {
throw new FacesException(e.getMessage(), e);
}
} else {
clazz = (Class) value;
}
try {
result = clazz.newInstance();
} catch (Throwable t) {
Throwable previousT;
do {
previousT = t;
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, "Unable to load class: ", t);
}
} while (null != (t = t.getCause()));
t = previousT;
throw new FacesException((MessageUtils.getExceptionMessageString(
MessageUtils.CANT_INSTANTIATE_CLASS_ERROR_MESSAGE_ID,
clazz.getName())), t);
}
return result;
}
/**
* <p>The same as newThing except that a single argument constructor
* that accepts a Class is looked for before calling the no-arg version.</p>
*
* <p>PRECONDITIONS: the values in the Map are either Strings
* representing fully qualified java class names, or java.lang.Class
* instances.</p>
* <p>ALGORITHM: Look in the argument map for a value for the argument
* key. If found, if the value is instanceof String, assume the String
* specifies a fully qualified java class name and obtain the
* java.lang.Class instance for that String using Util.loadClass().
* Replace the String instance in the argument map with the Class
* instance. If the value is instanceof Class, proceed. Assert that the
* value is either instanceof java.lang.Class or java.lang.String.</p>
* <p>Now that you have a java.lang.class, call its newInstance and
* return it as the result of this method.</p>
*
* @param key Used to look up the value in the <code>Map</code>.
* @param map The <code>Map</code> that will be searched.
* @param targetClass the target class for the single argument ctor
* @return The new object instance.
*/
protected Object newConverter(Class<?> key, Map<Class<?>,Object> map, Class<?> targetClass) {
assert (key != null && map != null);
Object result = null;
Class<?> clazz;
Object value;
value = map.get(key);
if (value == null) {
return null;
}
assert (value instanceof String || value instanceof Class);
if (value instanceof String) {
String cValue = (String) value;
try {
clazz = Util.loadClass(cValue, value);
if (!associate.isDevModeEnabled()) {
map.put(key, clazz);
}
assert (clazz != null);
} catch (Exception e) {
throw new FacesException(e.getMessage(), e);
}
} else {
clazz = (Class) value;
}
Constructor ctor =
ReflectionUtils.lookupConstructor(clazz, Class.class);
Throwable cause = null;
if (ctor != null) {
try {
result = ctor.newInstance(targetClass);
} catch (Exception e) {
cause = e;
}
} else {
try {
result = clazz.newInstance();
} catch (Exception e) {
cause = e;
}
}
if (null != cause) {
throw new FacesException((MessageUtils.getExceptionMessageString(
MessageUtils.CANT_INSTANTIATE_CLASS_ERROR_MESSAGE_ID,
clazz.getName())), cause);
}
return result;
}
// --------------------------------------------------------- Private Methods
public static final String THIS_LIBRARY =
"com.sun.faces.composite.this.library";
private UIComponent createComponentFromScriptResource(FacesContext context,
Resource scriptComponentResource,
Resource componentResource) {
UIComponent result = null;
String className = scriptComponentResource.getResourceName();
int lastDot = className.lastIndexOf('.');
className = className.substring(0, lastDot);
try {
Class<?> componentClass = (Class<?>) componentMap.get(className);
if (componentClass == null) {
componentClass = Util.loadClass(className, this);
}
if (!associate.isDevModeEnabled()) {
componentMap.put(className, componentClass);
}
result = (UIComponent) componentClass.newInstance();
} catch (IllegalAccessException ex) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, null, ex);
}
} catch (InstantiationException ex) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, null, ex);
}
} catch (ClassNotFoundException ex) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, null, ex);
}
}
if (result != null) {
// Make sure the resource is there for the annotation processor.
result.getAttributes().put(Resource.COMPONENT_RESOURCE_KEY,
componentResource);
// In case there are any "this" references,
// make sure they can be resolved.
context.getAttributes().put(THIS_LIBRARY,
componentResource.getLibraryName());
try {
associate.getAnnotationManager()
.applyComponentAnnotations(context, result);
}
finally {
context.getAttributes().remove(THIS_LIBRARY);
}
}
return result;
}
/**
* Leveraged by {@link Application#createComponent(String)} and {@link Application#createComponent(javax.faces.context.FacesContext, String, String)}
* This method will apply any component and render annotations that may be present.
*/
private UIComponent createComponentApplyAnnotations(FacesContext ctx,
String componentType,
String rendererType,
boolean applyAnnotations) {
UIComponent c;
try {
c = (UIComponent) newThing(componentType, componentMap);
} catch (Exception ex) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.cannot_instantiate_component_error",
componentType);
}
throw new FacesException(ex);
}
if (c == null) {
Object[] params = {componentType};
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.cannot_instantiate_component_error",
params);
}
throw new FacesException(MessageUtils.getExceptionMessageString(
MessageUtils.NAMED_OBJECT_NOT_FOUND_ERROR_MESSAGE_ID, params));
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, MessageFormat.format("Created component with component type of ''{0}''",
componentType));
}
if (applyAnnotations) {
applyAnnotations(ctx, rendererType, c);
}
return c;
}
/**
* Leveraged by {@link Application#createComponent(javax.el.ValueExpression, javax.faces.context.FacesContext, String)} and
* {@link Application#createComponent(javax.el.ValueExpression, javax.faces.context.FacesContext, String, String)}.
* This method will apply any component and render annotations that may be present.
*/
private UIComponent createComponentApplyAnnotations(FacesContext ctx,
ValueExpression componentExpression,
String componentType,
String rendererType,
boolean applyAnnotations) {
UIComponent c;
try {
c = (UIComponent) componentExpression
.getValue(ctx.getELContext());
if (c == null) {
c = this.createComponentApplyAnnotations(ctx,
componentType,
rendererType,
applyAnnotations);
componentExpression.setValue((ctx.getELContext()), c);
}
} catch (Exception ex) {
throw new FacesException(ex);
}
return c;
}
/**
* Process any annotations associated with this component/renderer.
*/
private void applyAnnotations(FacesContext ctx,
String rendererType,
UIComponent c) {
if (c != null && ctx != null) {
associate.getAnnotationManager()
.applyComponentAnnotations(ctx, c);
if (rendererType != null) {
RenderKit rk = ctx.getRenderKit();
Renderer r = null;
if (rk != null) {
r = rk.getRenderer(c.getFamily(), rendererType);
if (r != null) {
c.setRendererType(rendererType);
associate.getAnnotationManager()
.applyRendererAnnotations(ctx, r, c);
}
}
if (rk == null || r == null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"Unable to create Renderer with rendererType {0} for component with component type of {1}",
new Object[] { rendererType, c.getFamily() });
}
}
}
}
}
/**
* @return the SystemEventListeners that should be used for the
* provided combination of SystemEvent and source.
*/
private Set<SystemEventListener> getListeners(Class<? extends SystemEvent> systemEvent,
Class<?> sourceClass) {
Set<SystemEventListener> listeners = null;
EventInfo sourceInfo =
systemEventHelper.getEventInfo(systemEvent, sourceClass);
if (sourceInfo != null) {
listeners = sourceInfo.getListeners();
}
return listeners;
}
private SystemEvent invokeViewListenersFor(FacesContext ctx,
Class<? extends SystemEvent> systemEventClass,
SystemEvent event,
Object source) {
SystemEvent result = event;
if (listenerInvocationGuard.isGuardSet(ctx, systemEventClass)) {
return result;
}
listenerInvocationGuard.setGuard(ctx, systemEventClass);
UIViewRoot root = ctx.getViewRoot();
try {
if (root != null) {
EventInfo rootEventInfo =
systemEventHelper.getEventInfo(systemEventClass,
UIViewRoot.class);
// process view listeners
result = processListenersAccountingForAdds(root.getViewListenersForEventClass(systemEventClass),
event,
source,
rootEventInfo);
}
} finally {
listenerInvocationGuard.clearGuard(ctx, systemEventClass);
}
return result;
}
/*
* This class encapsulates the behavior to prevent infinite loops
* when the publishing of one event leads to the queueing of another
* event of the same type. Special provision is made to allow the
* case where this guaring mechanims happens on a per-FacesContext,
* per-SystemEvent.class type basis.
*/
private ReentrantLisneterInvocationGuard listenerInvocationGuard = new ReentrantLisneterInvocationGuard();
private class ReentrantLisneterInvocationGuard {
public boolean isGuardSet(FacesContext ctx, Class<? extends SystemEvent> systemEventClass) {
Boolean result = false;
Map<Class<? extends SystemEvent>, Boolean> data = getDataStructure(ctx);
result = data.get(systemEventClass);
return (null == result ? false : result);
}
public void setGuard(FacesContext ctx, Class<? extends SystemEvent> systemEventClass) {
Map<Class<? extends SystemEvent>, Boolean> data = getDataStructure(ctx);
data.put(systemEventClass, Boolean.TRUE);
}
public void clearGuard(FacesContext ctx, Class<? extends SystemEvent> systemEventClass) {
Map<Class<? extends SystemEvent>, Boolean> data = getDataStructure(ctx);
data.put(systemEventClass, Boolean.FALSE);
}
private Map<Class<? extends SystemEvent>, Boolean> getDataStructure(FacesContext ctx) {
Map<Class<? extends SystemEvent>, Boolean> result = null;
Map<Object, Object> ctxMap = ctx.getAttributes();
final String IS_PROCESSING_LISTENERS_KEY =
"com.sun.faces.application.ApplicationImpl.IS_PROCESSING_LISTENERS";
if (null == (result = (Map<Class<? extends SystemEvent>, Boolean>)
ctxMap.get(IS_PROCESSING_LISTENERS_KEY))) {
result = new HashMap<Class<? extends SystemEvent>, Boolean>(12);
ctxMap.put(IS_PROCESSING_LISTENERS_KEY, result);
}
return result;
}
}
/**
* @return process any listeners for the specified SystemEventListenerHolder
* and return any SystemEvent that may have been created as a side-effect
* of processing the listeners.
*/
private SystemEvent invokeComponentListenersFor(Class<? extends SystemEvent> systemEventClass,
Object source) {
if (source instanceof SystemEventListenerHolder) {
EventInfo eventInfo =
compSysEventHelper.getEventInfo(systemEventClass,
source.getClass());
return processListeners(((SystemEventListenerHolder) source).getListenersForEventClass(systemEventClass),
null,
source,
eventInfo);
}
return null;
}
/**
* Traverse the <code>List</code> of listeners and invoke any that are relevent
* for the specified source.
*
* @throws javax.faces.event.AbortProcessingException propagated from the listener invocation
*/
private SystemEvent invokeListenersFor(Class<? extends SystemEvent> systemEventClass,
SystemEvent event,
Object source,
Class<?> sourceBaseType,
boolean useSourceLookup)
throws AbortProcessingException {
EventInfo eventInfo = systemEventHelper.getEventInfo(systemEventClass,
source,
sourceBaseType,
useSourceLookup);
if (eventInfo != null) {
Set<SystemEventListener> listeners = eventInfo.getListeners();
event = processListeners(listeners, event, source, eventInfo);
}
return event;
}
/**
* Iterate through and invoke the listeners. If the passed event was
* <code>null</code>, create the event, and return it.
*/
private SystemEvent processListeners(Collection<SystemEventListener> listeners,
SystemEvent event,
Object source,
EventInfo eventInfo) {
if (listeners != null && !listeners.isEmpty()) {
for (SystemEventListener curListener : listeners) {
if (curListener != null && curListener.isListenerForSource(source)) {
if (event == null) {
event = eventInfo.createSystemEvent(source);
}
assert (event != null);
if (event.isAppropriateListener(curListener)) {
event.processListener(curListener);
}
}
}
}
return event;
}
private SystemEvent processListenersAccountingForAdds(List<SystemEventListener> listeners,
SystemEvent event,
Object source,
EventInfo eventInfo) {
if (listeners != null && !listeners.isEmpty()) {
// copy listeners
// go thru copy completely
// compare copy to original
// if original differs from copy, make a new copy.
// The new copy consists of the original list - processed
SystemEventListener listenersCopy[] =
new SystemEventListener[listeners.size()];
int i = 0;
for (i = 0; i < listenersCopy.length; i++) {
listenersCopy[i] = listeners.get(i);
}
Map<SystemEventListener, Boolean> processedListeners =
new HashMap<SystemEventListener, Boolean>(listeners.size());
boolean processedSomeEvents = false,
originalDiffersFromCopy = false;
do {
i = 0;
originalDiffersFromCopy = false;
if (0 < listenersCopy.length) {
for (i = 0; i < listenersCopy.length; i++) {
SystemEventListener curListener = listenersCopy[i];
if (curListener != null && curListener.isListenerForSource(source)) {
if (event == null) {
event = eventInfo.createSystemEvent(source);
}
assert (event != null);
if (!processedListeners.containsKey(curListener)
&& event.isAppropriateListener(curListener)) {
processedSomeEvents = true;
event.processListener(curListener);
processedListeners.put(curListener, Boolean.TRUE);
}
}
}
if (originalDiffersFromCopy(listeners, listenersCopy)) {
originalDiffersFromCopy = true;
listenersCopy = copyListWithExclusions(listeners, processedListeners);
}
}
} while (originalDiffersFromCopy && processedSomeEvents);
}
return event;
}
private boolean originalDiffersFromCopy(Collection<SystemEventListener> original,
SystemEventListener copy[]) {
boolean foundDifference = false;
int i = 0, originalLen = original.size(), copyLen = copy.length;
if (originalLen == copyLen) {
SystemEventListener originalItem, copyItem;
Iterator<SystemEventListener> iter = original.iterator();
while (iter.hasNext() && !foundDifference) {
originalItem = iter.next();
copyItem = copy[i++];
foundDifference = originalItem != copyItem;
}
} else {
foundDifference = true;
}
return foundDifference;
}
private SystemEventListener [] copyListWithExclusions(Collection<SystemEventListener> original,
Map<SystemEventListener, Boolean> excludes) {
SystemEventListener [] result = null,
temp = new SystemEventListener[original.size()];
int i = 0;
for (SystemEventListener cur : original) {
if (!excludes.containsKey(cur)) {
temp[i++] = cur;
}
}
result = new SystemEventListener[i];
System.arraycopy(temp, 0, result, 0, i);
temp = null;
return result;
}
private boolean needsProcessing(FacesContext context, Class<? extends SystemEvent> systemEventClass) {
return context.isProcessingEvents() || ExceptionQueuedEvent.class.isAssignableFrom(systemEventClass);
}
// ----------------------------------------------------------- Inner Classes
/**
* Utility class for dealing with application events.
*/
private static class SystemEventHelper {
private final Cache<Class<? extends SystemEvent>, SystemEventInfo> systemEventInfoCache;
// -------------------------------------------------------- Constructors
public SystemEventHelper() {
systemEventInfoCache =
new Cache<Class<? extends SystemEvent>, SystemEventInfo>(
new Factory<Class<? extends SystemEvent>, SystemEventInfo>() {
public SystemEventInfo newInstance(final Class<? extends SystemEvent> arg)
throws InterruptedException {
return new SystemEventInfo(arg);
}
}
);
}
// ------------------------------------------------------ Public Methods
public EventInfo getEventInfo(Class<? extends SystemEvent> systemEventClass,
Class<?> sourceClass) {
EventInfo info = null;
SystemEventInfo systemEventInfo = systemEventInfoCache.get(systemEventClass);
if (systemEventInfo != null) {
info = systemEventInfo.getEventInfo(sourceClass);
}
return info;
}
public EventInfo getEventInfo(Class<? extends SystemEvent> systemEventClass,
Object source,
Class<?> sourceBaseType,
boolean useSourceForLookup) {
Class<?> sourceClass =
((useSourceForLookup) ?
((sourceBaseType != null)
? sourceBaseType
: source.getClass())
: Void.class);
return getEventInfo(systemEventClass, sourceClass);
}
} // END SystemEventHelper
/**
* Utility class for dealing with {@link javax.faces.component.UIComponent} events.
*/
private static class ComponentSystemEventHelper {
private Cache<Class<?>,Cache<Class<? extends SystemEvent>,EventInfo>> sourceCache;
// -------------------------------------------------------- Constructors
public ComponentSystemEventHelper() {
// Initialize the 'sources' cache for, ahem, readability...
// ~generics++
Factory<Class<?>, Cache<Class<? extends SystemEvent>, EventInfo>> eventCacheFactory =
new Factory<Class<?>, Cache<Class<? extends SystemEvent>, EventInfo>>() {
public Cache<Class<? extends SystemEvent>, EventInfo> newInstance(
final Class<?> sourceClass)
throws InterruptedException {
Factory<Class<? extends SystemEvent>, EventInfo> eventInfoFactory =
new Factory<Class<? extends SystemEvent>, EventInfo>() {
public EventInfo newInstance(final Class<? extends SystemEvent> systemEventClass)
throws InterruptedException {
return new EventInfo(systemEventClass, sourceClass);
}
};
return new Cache<Class<? extends SystemEvent>, EventInfo>(eventInfoFactory);
}
};
sourceCache = new Cache<Class<?>,Cache<Class<? extends SystemEvent>,EventInfo>>(eventCacheFactory);
}
// ------------------------------------------------------ Public Methods
public EventInfo getEventInfo(Class<? extends SystemEvent> systemEvent,
Class<?> sourceClass) {
Cache<Class<? extends SystemEvent>, EventInfo> eventsCache =
sourceCache.get(sourceClass);
return eventsCache.get(systemEvent);
}
} // END ComponentSystemEventHelper
/**
* Simple wrapper class for application level SystemEvents. It provides the
* structure to map a single SystemEvent to multiple sources which are
* represented by <code>SourceInfo</code> instances.
*/
private static class SystemEventInfo {
private Cache<Class<?>,EventInfo> cache = new Cache<Class<?>,EventInfo>(
new Factory<Class<?>, EventInfo>() {
public EventInfo newInstance(Class<?> arg)
throws InterruptedException {
return new EventInfo(systemEvent, arg);
}
}
);
private Class<? extends SystemEvent> systemEvent;
// -------------------------------------------------------- Constructors
private SystemEventInfo(Class<? extends SystemEvent> systemEvent) {
this.systemEvent = systemEvent;
}
// ------------------------------------------------------ Public Methods
public EventInfo getEventInfo(Class<?> source) {
Class<?> sourceClass = ((source == null) ? Void.class : source);
return cache.get(sourceClass);
}
} // END SystemEventInfo
/**
* Represent a logical association between a SystemEvent and a Source.
* This call will contain the Listeners specific to this association
* as well as provide a method to construct new SystemEvents as required.
*/
private static class EventInfo {
private Class<? extends SystemEvent> systemEvent;
private Class<?> sourceClass;
private Set<SystemEventListener> listeners;
private Constructor eventConstructor;
private Map<Class<?>,Constructor> constructorMap;
// -------------------------------------------------------- Constructors
public EventInfo(Class<? extends SystemEvent> systemEvent,
Class<?> sourceClass) {
this.systemEvent = systemEvent;
this.sourceClass = sourceClass;
this.listeners = new CopyOnWriteArraySet<SystemEventListener>();
this.constructorMap = new HashMap<Class<?>,Constructor>();
if (!sourceClass.equals(Void.class)) {
eventConstructor = getEventConstructor(sourceClass);
}
}
// ------------------------------------------------------ Public Methods
public Set<SystemEventListener> getListeners() {
return listeners;
}
public SystemEvent createSystemEvent(Object source) {
Constructor toInvoke = getCachedConstructor(source.getClass());
if (toInvoke != null) {
try {
return (SystemEvent) toInvoke.newInstance(source);
} catch (Exception e) {
throw new FacesException(e);
}
}
return null;
}
// ----------------------------------------------------- Private Methods
private Constructor getCachedConstructor(Class<?> source) {
if (eventConstructor != null) {
return eventConstructor;
} else {
Constructor c = constructorMap.get(source);
if (c == null) {
c = getEventConstructor(source);
if (c != null) {
constructorMap.put(source, c);
}
}
return c;
}
}
private Constructor getEventConstructor(Class<?> source) {
Constructor ctor = null;
try {
return systemEvent.getDeclaredConstructor(source);
} catch (NoSuchMethodException ignored) {
Constructor[] ctors = systemEvent.getConstructors();
if (ctors != null) {
for (Constructor c : ctors) {
Class<?>[] params = c.getParameterTypes();
if (params.length != 1) {
continue;
}
if (params[0].isAssignableFrom(source)) {
return c;
}
}
}
if (eventConstructor == null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
"Unable to find Constructor within {0} that accepts {1} instances.",
new Object[] { systemEvent.getName(), sourceClass.getName() });
}
}
}
return ctor;
}
} // END SourceInfo
private static final class ComponentResourceClassNotFound { }
}