| /* |
| * $Id$ |
| * |
| * 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.collection; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.tiles.request.attribute.HasAddableKeys; |
| |
| /** |
| * Exposes an {@link HasAddableKeys} object as a put/get (no remove) map. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class AddableParameterMap extends ReadOnlyEnumerationMap<String> { |
| |
| /** |
| * The request. |
| */ |
| private HasAddableKeys<String> request; |
| |
| /** |
| * Constructor. |
| * |
| * @param request The request object to use. |
| */ |
| public AddableParameterMap(HasAddableKeys<String> request) { |
| super(request); |
| this.request = request; |
| } |
| |
| /** {@inheritDoc} */ |
| public Set<Map.Entry<String, String>> entrySet() { |
| return new AddableParameterEntrySet(); |
| } |
| |
| /** {@inheritDoc} */ |
| public String put(String key, String value) { |
| String oldValue = request.getValue(key); |
| request.setValue(key, value); |
| return oldValue; |
| } |
| |
| |
| /** {@inheritDoc} */ |
| public void putAll(Map<? extends String, ? extends String> map) { |
| for (Map.Entry<? extends String, ? extends String> entry : map |
| .entrySet()) { |
| request.setValue(entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| |
| /** |
| * Entry set implementation for {@link AddableParameterMap}. |
| */ |
| private class AddableParameterEntrySet extends ReadOnlyEnumerationMap<String>.ReadOnlyEnumerationMapEntrySet { |
| |
| @Override |
| public boolean add(java.util.Map.Entry<String, String> e) { |
| request.setValue(e.getKey(), e.getValue()); |
| return true; |
| } |
| |
| @Override |
| public boolean addAll( |
| Collection<? extends java.util.Map.Entry<String, String>> c) { |
| for (Map.Entry<String, String> entry : c) { |
| request.setValue(entry.getKey(), entry.getValue()); |
| } |
| return true; |
| } |
| } |
| } |