| /* |
| * 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 java.util.Collections; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| import org.apache.cocoon.environment.ObjectModelHelper; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.cocoon.matching.Matcher; |
| import org.apache.cocoon.sitemap.PatternException; |
| |
| /** |
| * A matcher that tests if the current request is an Ajax request. This matcher |
| * provides no sitemap variables. |
| * <p> |
| * Example: |
| * <pre> |
| * <map:match type="ajax-request"> |
| * ... ajax request ... |
| * </map:match> |
| * </pre> |
| * |
| * @since 2.1.8 |
| * @version $Id$ |
| */ |
| public class AjaxRequestMatcher implements Matcher, ThreadSafe { |
| |
| public Map match(String pattern, Map objectModel, Parameters parameters) throws PatternException { |
| Request req = ObjectModelHelper.getRequest(objectModel); |
| |
| return AjaxHelper.isAjaxRequest(req) ? Collections.EMPTY_MAP : null; |
| } |
| } |