1 package org.codehaus.plexus.interpolation;
2
3 /*
4 * Copyright 2001-2009 Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import java.util.Collections;
20 import java.util.List;
21
22 /**
23 * If the expression matches, simply return the response object.
24 * @since 1.12
25 */
26 public class SingleResponseValueSource implements ValueSource {
27
28 private final String expression;
29 private final Object response;
30
31 public SingleResponseValueSource(String expression, Object response) {
32 this.expression = expression;
33 this.response = response;
34 }
35
36 public void clearFeedback() {}
37
38 public List getFeedback() {
39 return Collections.EMPTY_LIST;
40 }
41
42 public Object getValue(String expression) {
43 if (this.expression.equals(expression)) {
44 return response;
45 }
46
47 return null;
48 }
49 }