001/*
002 * (C) Copyright 2006-2015 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 *     Anahide Tchertchian
019 */
020
021package org.nuxeo.ecm.web.resources.jsf.negotiators;
022
023import java.util.Map;
024
025import javax.faces.context.FacesContext;
026
027import org.nuxeo.theme.styling.negotiation.AbstractNegotiator;
028
029public final class RequestAttribute extends AbstractNegotiator {
030
031    @Override
032    public String getResult(String target, Object context) {
033        FacesContext faces = null;
034        if (context instanceof FacesContext) {
035            faces = (FacesContext) context;
036        } else {
037            return null;
038        }
039        final Map<String, Object> parameters = faces.getExternalContext().getRequestMap();
040        return (String) parameters.get(getProperty("param"));
041    }
042
043}