| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.ajax; |
| |
| import org.apache.cocoon.environment.Request; |
| |
| /** |
| * Helper class to handle Ajax requests |
| * |
| * @version $Id$ |
| * @since 2.1.8 |
| */ |
| public class AjaxHelper { |
| |
| private AjaxHelper() { |
| // Forbid instanciation |
| } |
| |
| /** |
| * The request parameter that, if set, indicates an Ajax request. |
| */ |
| public static final String AJAX_REQUEST_PARAMETER = "cocoon-ajax"; |
| |
| /** |
| * The namespace URI of the "browser update" xml dialect |
| */ |
| public static final String BROWSER_UPDATE_URI = "http://apache.org/cocoon/browser-update/1.0"; |
| |
| /** |
| * Is the request an Ajax request? |
| * |
| * @param req the request |
| * @return true if this is an Ajax request |
| */ |
| public static boolean isAjaxRequest(Request req) { |
| return req.getParameter(AJAX_REQUEST_PARAMETER) != null; |
| } |
| |
| } |