001/*
002 * (C) Copyright 2006-2015 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-2.1.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 *     Jean-Marc Orliaguet, Chalmers
016 *     Anahide Tchertchian
017 */
018
019package org.nuxeo.ecm.web.resources.jsf.negotiators;
020
021import java.util.Map;
022
023import javax.faces.context.FacesContext;
024
025import org.nuxeo.theme.styling.negotiation.AbstractNegotiator;
026
027public final class RequestAttribute extends AbstractNegotiator {
028
029    @Override
030    public String getResult(String target, Object context) {
031        FacesContext faces = null;
032        if (context instanceof FacesContext) {
033            faces = (FacesContext) context;
034        } else {
035            return null;
036        }
037        final Map<String, Object> parameters = faces.getExternalContext().getRequestMap();
038        return (String) parameters.get(getProperty("param"));
039    }
040
041}