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EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.facelets.tag.composite;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import jakarta.el.ValueExpression;
import jakarta.faces.FacesException;
import jakarta.faces.component.ContextCallback;
import jakarta.faces.component.UIComponent;
import jakarta.faces.component.behavior.ClientBehavior;
import jakarta.faces.component.behavior.ClientBehaviorHolder;
import jakarta.faces.component.visit.VisitCallback;
import jakarta.faces.component.visit.VisitContext;
import jakarta.faces.context.FacesContext;
import jakarta.faces.event.AbortProcessingException;
import jakarta.faces.event.ComponentSystemEvent;
import jakarta.faces.event.ComponentSystemEventListener;
import jakarta.faces.event.FacesEvent;
import jakarta.faces.event.FacesListener;
import jakarta.faces.event.SystemEvent;
import jakarta.faces.render.Renderer;
/**
*
*
*/
public class BehaviorHolderWrapper extends UIComponent implements ClientBehaviorHolder {
private final UIComponent parent;
private final String virtualEvent;
private final String event;
public BehaviorHolderWrapper(UIComponent parent, String virtualEvent, String event) {
this.parent = parent;
this.virtualEvent = virtualEvent;
this.event = event;
}
/**
* @see jakarta.faces.component.UIComponent#broadcast(jakarta.faces.event.FacesEvent)
*/
@Override
public void broadcast(FacesEvent event) throws AbortProcessingException {
parent.broadcast(event);
}
/**
* @see jakarta.faces.component.UIComponent#decode(jakarta.faces.context.FacesContext)
*/
@Override
public void decode(FacesContext context) {
parent.decode(context);
}
/**
* @see jakarta.faces.component.UIComponent#encodeBegin(jakarta.faces.context.FacesContext)
*/
@Override
public void encodeBegin(FacesContext context) throws IOException {
parent.encodeBegin(context);
}
/**
* @see jakarta.faces.component.UIComponent#encodeChildren(jakarta.faces.context.FacesContext)
*/
@Override
public void encodeChildren(FacesContext context) throws IOException {
parent.encodeChildren(context);
}
/**
* @see jakarta.faces.component.UIComponent#encodeEnd(jakarta.faces.context.FacesContext)
*/
@Override
public void encodeEnd(FacesContext context) throws IOException {
parent.encodeEnd(context);
}
/**
* @see jakarta.faces.component.UIComponent#findComponent(java.lang.String)
*/
@Override
public UIComponent findComponent(String expr) {
return parent.findComponent(expr);
}
/**
* @see jakarta.faces.component.UIComponent#getAttributes()
*/
@Override
public Map getAttributes() {
return parent.getAttributes();
}
@Override
public Map getPassThroughAttributes(boolean create) {
return parent.getPassThroughAttributes(create);
}
/**
* @see jakarta.faces.component.UIComponent#getChildCount()
*/
@Override
public int getChildCount() {
return parent.getChildCount();
}
/**
* @see jakarta.faces.component.UIComponent#getChildren()
*/
@Override
public List getChildren() {
return parent.getChildren();
}
/**
* @see jakarta.faces.component.UIComponent#getClientId(jakarta.faces.context.FacesContext)
*/
@Override
public String getClientId(FacesContext context) {
return parent.getClientId(context);
}
/**
* @see jakarta.faces.component.UIComponent#getFacet(java.lang.String)
*/
@Override
public UIComponent getFacet(String name) {
return parent.getFacet(name);
}
/**
* @see jakarta.faces.component.UIComponent#getFacets()
*/
@Override
public Map getFacets() {
return parent.getFacets();
}
/**
* @see jakarta.faces.component.UIComponent#getFacetsAndChildren()
*/
@Override
public Iterator getFacetsAndChildren() {
return parent.getFacetsAndChildren();
}
/**
* @see jakarta.faces.component.UIComponent#getFamily()
*/
@Override
public String getFamily() {
return parent.getFamily();
}
/**
* @see jakarta.faces.component.UIComponent#getId()
*/
@Override
public String getId() {
return parent.getId();
}
/**
* @see jakarta.faces.component.UIComponent#getParent()
*/
@Override
public UIComponent getParent() {
return parent.getParent();
}
/**
* @see jakarta.faces.component.UIComponent#getRendererType()
*/
@Override
public String getRendererType() {
return parent.getRendererType();
}
/**
* @see jakarta.faces.component.UIComponent#getRendersChildren()
*/
@Override
public boolean getRendersChildren() {
return parent.getRendersChildren();
}
@Override
public ValueExpression getValueExpression(String name) {
return parent.getValueExpression(name);
}
/**
* @see jakarta.faces.component.UIComponent#invokeOnComponent(jakarta.faces.context.FacesContext, java.lang.String,
* jakarta.faces.component.ContextCallback)
*/
@Override
public boolean invokeOnComponent(FacesContext context, String clientId, ContextCallback callback) throws FacesException {
return parent.invokeOnComponent(context, clientId, callback);
}
/**
* @see jakarta.faces.component.UIComponent#isInView()
*/
@Override
public boolean isInView() {
return parent.isInView();
}
/**
* @see jakarta.faces.component.UIComponent#isRendered()
*/
@Override
public boolean isRendered() {
return parent.isRendered();
}
/**
* @see jakarta.faces.component.StateHolder#isTransient()
*/
@Override
public boolean isTransient() {
return parent.isTransient();
}
/**
* @see jakarta.faces.component.UIComponent#processDecodes(jakarta.faces.context.FacesContext)
*/
@Override
public void processDecodes(FacesContext context) {
parent.processDecodes(context);
}
/**
* @see jakarta.faces.component.UIComponent#processEvent(jakarta.faces.event.ComponentSystemEvent)
*/
@Override
public void processEvent(ComponentSystemEvent event) throws AbortProcessingException {
parent.processEvent(event);
}
/**
* @see jakarta.faces.component.UIComponent#processRestoreState(jakarta.faces.context.FacesContext, java.lang.Object)
*/
@Override
public void processRestoreState(FacesContext context, Object state) {
parent.processRestoreState(context, state);
}
/**
* @see jakarta.faces.component.UIComponent#processSaveState(jakarta.faces.context.FacesContext)
*/
@Override
public Object processSaveState(FacesContext context) {
return parent.processSaveState(context);
}
/**
* @see jakarta.faces.component.UIComponent#processUpdates(jakarta.faces.context.FacesContext)
*/
@Override
public void processUpdates(FacesContext context) {
parent.processUpdates(context);
}
/**
* @see jakarta.faces.component.UIComponent#processValidators(jakarta.faces.context.FacesContext)
*/
@Override
public void processValidators(FacesContext context) {
parent.processValidators(context);
}
/**
* @see jakarta.faces.component.UIComponent#queueEvent(jakarta.faces.event.FacesEvent)
*/
@Override
public void queueEvent(FacesEvent event) {
parent.queueEvent(event);
}
/**
* @see jakarta.faces.component.StateHolder#restoreState(jakarta.faces.context.FacesContext, java.lang.Object)
*/
@Override
public void restoreState(FacesContext context, Object state) {
if (context == null) {
throw new NullPointerException();
}
parent.restoreState(context, state);
}
/**
* @see jakarta.faces.component.StateHolder#saveState(jakarta.faces.context.FacesContext)
*/
@Override
public Object saveState(FacesContext context) {
if (context == null) {
throw new NullPointerException();
}
return parent.saveState(context);
}
/**
* @see jakarta.faces.component.UIComponent#setId(java.lang.String)
*/
@Override
public void setId(String id) {
parent.setId(id);
}
/**
* @see jakarta.faces.component.UIComponent#setParent(jakarta.faces.component.UIComponent)
*/
@Override
public void setParent(UIComponent parent) {
parent.setParent(parent);
}
/**
* @see jakarta.faces.component.UIComponent#setRendered(boolean)
*/
@Override
public void setRendered(boolean rendered) {
parent.setRendered(rendered);
}
/**
* @see jakarta.faces.component.UIComponent#setRendererType(java.lang.String)
*/
@Override
public void setRendererType(String rendererType) {
parent.setRendererType(rendererType);
}
/**
* @see jakarta.faces.component.StateHolder#setTransient(boolean)
*/
@Override
public void setTransient(boolean newTransientValue) {
parent.setTransient(newTransientValue);
}
/**
* @see jakarta.faces.component.UIComponent#setValueExpression(java.lang.String, jakarta.el.ValueExpression)
*/
@Override
public void setValueExpression(String name, ValueExpression binding) {
parent.setValueExpression(name, binding);
}
/**
* @see jakarta.faces.component.UIComponent#subscribeToEvent(java.lang.Class,
* jakarta.faces.event.ComponentSystemEventListener)
*/
@Override
public void subscribeToEvent(Class eventClass, ComponentSystemEventListener componentListener) {
parent.subscribeToEvent(eventClass, componentListener);
}
/**
* @see jakarta.faces.component.UIComponent#unsubscribeFromEvent(java.lang.Class,
* jakarta.faces.event.ComponentSystemEventListener)
*/
@Override
public void unsubscribeFromEvent(Class eventClass, ComponentSystemEventListener componentListener) {
parent.unsubscribeFromEvent(eventClass, componentListener);
}
/**
* @see jakarta.faces.component.UIComponent#visitTree(jakarta.faces.component.visit.VisitContext,
* jakarta.faces.component.visit.VisitCallback)
*/
@Override
public boolean visitTree(VisitContext context, VisitCallback callback) {
return parent.visitTree(context, callback);
}
@Override
protected void addFacesListener(FacesListener listener) {
// no-op
}
@Override
protected FacesContext getFacesContext() {
return FacesContext.getCurrentInstance();
}
@Override
protected FacesListener[] getFacesListeners(Class clazz) {
return new FacesListener[0];
}
@Override
protected Renderer getRenderer(FacesContext context) {
return null;
}
@Override
protected void removeFacesListener(FacesListener listener) {
// no-op
}
@Override
public void addClientBehavior(String eventName, ClientBehavior behavior) {
if (parent instanceof ClientBehaviorHolder) {
ClientBehaviorHolder parentHolder = (ClientBehaviorHolder) parent;
if (virtualEvent.equals(eventName)) {
parentHolder.addClientBehavior(event, behavior);
}
} else {
throw new FacesException("Unable to attach behavior to non-ClientBehaviorHolder parent:" + parent);
}
}
@Override
public Map> getClientBehaviors() {
if (parent instanceof ClientBehaviorHolder) {
ClientBehaviorHolder parentHolder = (ClientBehaviorHolder) parent;
Map> behaviors = new HashMap<>(1);
behaviors.put(virtualEvent, parentHolder.getClientBehaviors().get(event));
return Collections.unmodifiableMap(behaviors);
} else {
throw new FacesException("Unable to get behaviors from non-ClientBehaviorHolder parent:" + parent);
}
}
@Override
public String getDefaultEventName() {
return virtualEvent;
}
@Override
public Collection getEventNames() {
return Collections.singleton(virtualEvent);
}
}