TimestampedLogger


1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one or more
3    *  contributor license agreements.  See the NOTICE file distributed with
4    *  this work for additional information regarding copyright ownership.
5    *  The ASF licenses this file to You under the Apache License, Version 2.0
6    *  (the "License"); you may not use this file except in compliance with
7    *  the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   *
17   */
18  
19  package org.apache.tools.ant.listener;
20  
21  import org.apache.tools.ant.DefaultLogger;
22  
23  import java.util.Date  ;
24  import java.text.DateFormat  ;
25  
26  /**
27   * Like a normal logger, except with timed outputs
28   */
29  public class TimestampedLogger extends DefaultLogger {
30  
31      /**
32       * what appears between the old message and the new
33       */
34      private static final String   SPACER = " - at ";
35  
36  
37      /**
38       * This is an override point: the message that indicates whether a build failed.
39       * Subclasses can change/enhance the message.
40       *
41       * @return The classic "BUILD FAILED"
42       */
43      protected String   getBuildFailedMessage() {
44          return super.getBuildFailedMessage() + SPACER + getTimestamp();
45      }
46  
47      /**
48       * This is an override point: the message that indicates that a build succeeded.
49       * Subclasses can change/enhance the message.
50       *
51       * @return The classic "BUILD SUCCESSFUL"
52       */
53      protected String   getBuildSuccessfulMessage() {
54          return super.getBuildSuccessfulMessage() + SPACER + getTimestamp();
55      }
56  
57      /**
58       * Get the current time.
59       * @return the current time as a formatted string.
60       */
61      protected String   getTimestamp() {
62          Date   date = new Date  (System.currentTimeMillis());
63          DateFormat   formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
64          String   finishTime = formatter.format(date);
65          return finishTime;
66      }
67  }
68
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