001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Anahide Tchertchian
016 */
017package org.nuxeo.ecm.web.resources.jsf.negotiators;
018
019import javax.faces.context.FacesContext;
020
021import org.nuxeo.runtime.api.Framework;
022import org.nuxeo.theme.styling.negotiation.AbstractNegotiator;
023import org.nuxeo.theme.styling.service.ThemeStylingService;
024import org.nuxeo.theme.styling.service.descriptors.FlavorDescriptor;
025
026/**
027 * Negotiator that returns the default flavor configured for negotiated theme page.
028 *
029 * @see ThemeStylingService
030 * @see FlavorDescriptor
031 * @since 5.5
032 */
033public class DefaultPageFlavor extends AbstractNegotiator {
034
035    @Override
036    public String getResult(String target, Object context) {
037        FacesContext faces = null;
038        if (context instanceof FacesContext) {
039            faces = (FacesContext) context;
040        } else {
041            return null;
042        }
043        String theme = (String) faces.getExternalContext().getRequestMap().get(getProperty("negotiatedPageVariable"));
044        if (theme != null) {
045            ThemeStylingService service = Framework.getService(ThemeStylingService.class);
046            return service.getDefaultFlavorName(theme);
047        }
048        return null;
049    }
050}