001/*
002 * (C) Copyright 2006-2009 Nuxeo SAS <http://nuxeo.com> and others
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Jean-Marc Orliaguet, Chalmers
011 *
012 * $Id$
013 */
014
015package org.nuxeo.theme.webengine.negotiation.perspective;
016
017import org.nuxeo.ecm.webengine.model.WebContext;
018import org.nuxeo.theme.negotiation.Scheme;
019import org.nuxeo.theme.perspectives.PerspectiveManager;
020
021public class CookieValue implements Scheme {
022
023    public String getOutcome(final Object context) {
024        final WebContext webContext = (WebContext) context;
025        String perspectiveName = webContext.getCookie("nxthemes.perspective");
026        if (perspectiveName == null) {
027            return null;
028        }
029        if (PerspectiveManager.hasPerspective(perspectiveName)) {
030            return perspectiveName;
031        }
032        return null;
033    }
034
035}