1 /*
2  * Licensed under the Apache License, Version 2.0 (the "License");
3  * you may not use this file except in compliance with the License.
4  * You may obtain a copy of the License at
5  *
6  * http://www.apache.org/licenses/LICENSE-2.0
7  *
8  * Unless required by applicable law or agreed to in writing, software
9  * distributed under the License is distributed on an "AS IS" BASIS,
10 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 * See the License for the specific language governing permissions and
12 * limitations under the License.
13 */
14
15package org.tp23.antinstaller.runtime.logic;
16
17import org.tp23.antinstaller.input.ResultContainer;
18
19/**
20 * @author mwilson
21 * @version $Id: VariableValue.java,v 1.2 2006/12/21 00:03:18 teknopaul Exp $
22 * @since 0.7.4 patch 2
23 */
24public class VariableValue implements Value {
25
26    private final ResultContainer valueHolder;
27    private final String propertyName;
28
29    public VariableValue(final ResultContainer container, final String propertyName) {
30        valueHolder = container;
31        this.propertyName = propertyName;
32    }
33
34    public String getValue() {
35        /*
36         * Use somewhat misleadingly named method getDefaultValue() It doesn't
37         * return the default value, it returns the current value of a property
38         * referenced by the use of ${propertyname} syntax
39         */
40        return valueHolder.getDefaultValue(propertyName);
41    }
42}
43