1 package org.apache.maven.project.interpolation;
2
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 import java.text.SimpleDateFormat;
23 import java.util.Date;
24
25 import org.codehaus.plexus.interpolation.AbstractValueSource;
26
27 /**
28 *
29 * @version $Id: BuildTimestampValueSource.java 708543 2008-10-28 11:54:17Z bentmann $
30 */
31 public class BuildTimestampValueSource
32 extends AbstractValueSource
33 {
34
35 private final Date startTime;
36
37 private final String format;
38
39 private String formattedDate;
40
41 public BuildTimestampValueSource( Date startTime, String format )
42 {
43 super( false );
44 this.startTime = startTime;
45 this.format = format;
46 }
47
48 public Object getValue( String expression )
49 {
50 if ( "build.timestamp".equals( expression ) || "maven.build.timestamp".equals( expression ) )
51 {
52 if ( formattedDate == null && startTime != null )
53 {
54 formattedDate = new SimpleDateFormat( format ).format( startTime );
55 }
56
57 return formattedDate;
58 }
59
60 return null;
61 }
62
63 }