001/* 002 * (C) Copyright 2006-2009 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 * Jean-Marc Orliaguet, Chalmers 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.theme.webengine.negotiation.theme; 023 024import org.nuxeo.ecm.webengine.model.WebContext; 025import org.nuxeo.theme.Manager; 026import org.nuxeo.theme.elements.PageElement; 027import org.nuxeo.theme.negotiation.Scheme; 028 029public final class RequestAttribute implements Scheme { 030 031 public String getOutcome(final Object context) { 032 final String path = (String) ((WebContext) context).getRequest().getAttribute("org.nuxeo.theme.theme"); 033 if (path == null) { 034 return null; 035 } 036 final PageElement page = Manager.getThemeManager().getPageByPath(path); 037 if (page != null) { 038 return path; 039 } 040 return null; 041 } 042 043}