| /* |
| * $Id$ |
| * |
| * 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.velocity; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.tiles.request.collection.ScopeMap; |
| import org.apache.tiles.request.velocity.extractor.VelocityScopeExtractor; |
| import org.apache.velocity.context.Context; |
| |
| /** |
| * <p>Private implementation of <code>Map</code> for servlet request |
| * attributes.</p> |
| * |
| * @version $Rev$ $Date$ |
| */ |
| |
| final class VelocityScopeMap extends ScopeMap { |
| |
| /** |
| * The request object to use. |
| */ |
| private Context request = null; |
| |
| /** |
| * Constructor. |
| * |
| * @param request The request object to use. |
| */ |
| public VelocityScopeMap(Context request) { |
| super(new VelocityScopeExtractor(request)); |
| this.request = request; |
| } |
| |
| @Override |
| public Object remove(Object key) { |
| return request.remove(key); |
| } |
| |
| @Override |
| public Object put(String key, Object value) { |
| return request.put(key, value); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean containsKey(Object key) { |
| return request.containsKey(key); |
| } |
| |
| |
| /** {@inheritDoc} */ |
| public boolean isEmpty() { |
| return size() < 1; |
| } |
| |
| |
| /** {@inheritDoc} */ |
| public Set<String> keySet() { |
| Set<String> set = new HashSet<String>(); |
| for (Object key : request.getKeys()) { |
| set.add((String) key); |
| } |
| return (set); |
| } |
| |
| /** {@inheritDoc} */ |
| public int size() { |
| return request.getKeys().length; |
| } |
| } |