1 /*
2 * $Id: DirectAttributeEvaluator.java 734389 2009-01-14 13:38:06Z 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.evaluator.impl;
22
23 import java.util.Map;
24
25 import org.apache.tiles.context.TilesRequestContext;
26 import org.apache.tiles.evaluator.AbstractAttributeEvaluator;
27
28 /***
29 * Resolves a string and returns the string itself. It is useful for backward
30 * compatibility.
31 *
32 * @version $Rev: 734389 $ $Date: 2009-01-14 14:38:06 +0100 (mer, 14 gen 2009) $
33 * @since 2.1.0
34 */
35 public class DirectAttributeEvaluator extends AbstractAttributeEvaluator {
36
37 /*** {@inheritDoc} */
38 public void init(Map<String, String> initParameters) {
39 // Does nothing.
40 }
41
42 /*** {@inheritDoc} */
43 public Object evaluate(String expression, TilesRequestContext request) {
44 return expression;
45 }
46 }