1 package org.apache.maven.model.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 */
30 class BuildTimestampValueSource
31 extends AbstractValueSource
32 {
33
34 private final Date startTime;
35
36 private final String format;
37
38 private String formattedDate;
39
40 public BuildTimestampValueSource( Date startTime, String format )
41 {
42 super( false );
43 this.startTime = startTime;
44 this.format = format;
45 }
46
47 public Object getValue( String expression )
48 {
49 if ( "build.timestamp".equals( expression ) || "maven.build.timestamp".equals( expression ) )
50 {
51 if ( formattedDate == null && startTime != null )
52 {
53 formattedDate = new SimpleDateFormat( format ).format( startTime );
54 }
55
56 return formattedDate;
57 }
58
59 return null;
60 }
61
62 }