| /* |
| * $Id$ |
| * |
| * 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.tiles.request.freemarker; |
| |
| import java.util.Set; |
| |
| import org.apache.tiles.request.collection.ScopeMap; |
| import org.apache.tiles.request.freemarker.extractor.EnvironmentScopeExtractor; |
| |
| import freemarker.core.Environment; |
| import freemarker.template.TemplateModelException; |
| |
| /** |
| * <p> |
| * Private implementation of <code>Map</code> for servlet request attributes. |
| * </p> |
| * |
| * @version $Rev$ $Date$ |
| */ |
| |
| final class EnvironmentScopeMap extends ScopeMap { |
| |
| /** |
| * The request object to use. |
| */ |
| private Environment request = null; |
| |
| /** |
| * Constructor. |
| * |
| * @param request The request object to use. |
| */ |
| public EnvironmentScopeMap(Environment request) { |
| super(new EnvironmentScopeExtractor(request)); |
| this.request = request; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Set<String> keySet() { |
| try { |
| return request.getKnownVariableNames(); |
| } catch (TemplateModelException e) { |
| throw new FreemarkerRequestException( |
| "Cannot get known variable names", e); |
| } |
| } |
| } |