1 /* 2 * $Id: AttributeEvaluatorFactory.java 788032 2009-06-24 14:08:32Z 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 22 package org.apache.tiles.evaluator; 23 24 import org.apache.tiles.Attribute; 25 26 /** 27 * Creates an attribute evaluator using the language or an attribute. 28 * 29 * @version $Rev: 788032 $ $Date: 2009-06-25 00:08:32 +1000 (Thu, 25 Jun 2009) $ 30 * @since 2.2.0 31 */ 32 public interface AttributeEvaluatorFactory { 33 34 /** 35 * Creates and attribute evaluator using an attribute. 36 * 37 * @param attribute The attribute used to obtain the evaluator. 38 * @return The attribute evaluator. It must not be <code>null</code>. 39 * @since 2.2.0 40 */ 41 AttributeEvaluator getAttributeEvaluator(Attribute attribute); 42 43 /** 44 * Creates and attribute evaluator for the given expression language. 45 * 46 * @param language The name of the expression language. 47 * @return The attribute evaluator. It must not be <code>null</code>. 48 * @since 2.2.0 49 */ 50 AttributeEvaluator getAttributeEvaluator(String language); 51 }