1 /* 2 * $Id: HasKeys.java 1064782 2011-01-28 17:08:52Z apetrelli $ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.tiles.request.attribute; 22 23 import java.util.Enumeration; 24 25 /** 26 * Allows to get attributes. 27 * 28 * @version $Rev: 1064782 $ $Date: 2011-01-29 04:08:52 +1100 (Sat, 29 Jan 2011) $ 29 * @param <V> The type of the value of the attribute. 30 */ 31 public interface HasKeys<V> { 32 33 /** 34 * The enumeration of the keys of the stored attributes. 35 * 36 * @return The keys. 37 */ 38 Enumeration<String> getKeys(); 39 40 /** 41 * Returns the value of the attribute with the given key. 42 * 43 * @param key The key of the attribute. 44 * @return The value. 45 */ 46 V getValue(String key); 47 }