001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.theme.compat.negotiators;
020
021import javax.faces.context.FacesContext;
022
023import org.nuxeo.runtime.api.Framework;
024import org.nuxeo.theme.negotiation.Negotiator;
025import org.nuxeo.theme.negotiation.Scheme;
026import org.nuxeo.theme.styling.service.ThemeStylingService;
027import org.nuxeo.theme.styling.service.descriptors.FlavorDescriptor;
028
029/**
030 * Negotiator that returns the default flavor configured for negotiated theme page.
031 *
032 * @see ThemeStylingService
033 * @see FlavorDescriptor
034 * @since 5.5
035 */
036public class DefaultThemeFlavor implements Scheme {
037
038    @Override
039    public String getOutcome(Object context) {
040        FacesContext faces = (FacesContext) context;
041        String theme = (String) faces.getExternalContext().getRequestMap().get(
042                Negotiator.NEGOTIATION_RESULT_PREFIX + Negotiator.NEGOTIATION_OBJECT.theme.name());
043        if (theme != null) {
044            ThemeStylingService service = Framework.getService(ThemeStylingService.class);
045            return service.getDefaultFlavorName(theme);
046        }
047        return null;
048    }
049}