1 /* 2 * $Id: EnumeratedValuesExtractor.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 values from multi-valued attributes. 27 * 28 * @version $Rev: 1064782 $ $Date: 2011-01-29 04:08:52 +1100 (Sat, 29 Jan 2011) $ 29 */ 30 public interface EnumeratedValuesExtractor extends HasAddableKeys<String> { 31 32 /** 33 * Returns the values stored at the given key. 34 * 35 * @param key The key of the attribute. 36 * @return The values of the attribute. 37 */ 38 Enumeration<String> getValues(String key); 39 }