com.sun.faces.facelets.tag.jsf.AttachedBehaviors Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of javax.faces Show documentation
The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.faces.facelets.tag.jsf;

import javax.faces.component.UIComponent;
import javax.faces.view.facelets.BehaviorHandler;
import javax.faces.view.facelets.TagHandler;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;


/**
 * This class holds collection of {@link BehaviorHandler} instances, attached to the composite component.
 *  Descendant components from that composite uses that collection to substitute actual instance
 * @author [email protected]
 *
 */
@SuppressWarnings("serial")
public class AttachedBehaviors implements Serializable {
	
	private Map behaviors = new HashMap<>();
	public static final String COMPOSITE_BEHAVIORS_KEY = "javax.faces.view.ClientBehaviors";
	
	public void add(String eventName, TagHandler owner){
		behaviors.put(eventName, owner);
	}

	public TagHandler get(String value) {
		return behaviors.get(value);		
	}

	public static AttachedBehaviors getAttachedBehaviorsHandler(UIComponent component) {
		Map attributes = component.getAttributes();
		AttachedBehaviors handler = (AttachedBehaviors) attributes.get(AttachedBehaviors.COMPOSITE_BEHAVIORS_KEY);
		if(null == handler){
			handler = new AttachedBehaviors();
			attributes.put(AttachedBehaviors.COMPOSITE_BEHAVIORS_KEY, handler);
		}
		return handler;
	}

}