Java EE 6 example source code file (SkinValuesManager.java)

This example Java EE 6 source code file (SkinValuesManager.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Java EE 6 tags/keywords

annotation, applicationscoped, applicationscoped, arraylist, io, linkedhashmap, list, map, postconstruct, predestroy, serializable, serializable, skinvaluesmanager, skinvaluesmanager, string, string, util

The Java EE 6 SkinValuesManager.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2009 Sun Microsystems, Inc. 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.html
 * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [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 jsf2.demo.scrum.web.controller;

import java.io.Serializable;
import javax.annotation.PostConstruct;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ApplicationScoped;
import java.util.Map;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.ArrayList;
import javax.annotation.PreDestroy;
import javax.faces.context.FacesContext;


/**
 *
 * @author edermag
 */
@ManagedBean(name="skinValuesManager", eager=true)
@ApplicationScoped
public class SkinValuesManager implements Serializable {

    private Map<String, String> values;

    private String defaultSkin = "blue";
    private static final long serialVersionUID = 2238251086172648511L;

    @PostConstruct
    public void construct() {
        values = new LinkedHashMap<String, String>();
        values.put("yellow", "appYellowSkin.css");
        values.put("orange", "appOrangeSkin.css");
        values.put("red", "appRedSkin.css");
        values.put(defaultSkin, "appBlueSkin.css");
    }

    @PreDestroy
    public void destroy() {
        if (null != values) {
            values.clear();
            values = null;
        }
        FacesContext.getCurrentInstance().getExternalContext().getSessionMap().remove("skinValuesManager");
    }
    
    protected String getSkinCss(String skin) {
        if (!values.containsKey(skin))
            return getDefaultSkinCss();
        return values.get(skin);
    }

    protected String getDefaultSkinCss() {
        return values.get(defaultSkin);
    }

    public List<String> getNames() {
        return new ArrayList<String>(values == null ? null : values.keySet());
    }

    public int getSize() {
        return values.keySet().size();
    }

}