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1   /**
2    * This file Copyright (c) 2008-2010 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.cache.browsercachepolicy;
35  
36  import info.magnolia.module.cache.BrowserCachePolicyResult;
37  import info.magnolia.module.cache.CachePolicyResult;
38  
39  /**
40   * Uses a fix expiration time (in minutes). Default to 30 minutes.
41   *
42   * @version $Revision: 40007 $ ($Author: pbaerfuss $)
43   */
44  public class FixedDuration extends AbstractVoterBased {
45  
46      private static final int MINUTE_IN_MILLIS = 60 * 1000;
47  
48      private int expirationMinutes = 30;
49  
50      @Override
51      protected BrowserCachePolicyResult getPositiveVoteResult(CachePolicyResult cachePolicyResult) {
52          // cast to long as the operation might exceed the int range
53          long expirationInMilliseconds = (long) this.getExpirationMinutes() * MINUTE_IN_MILLIS;
54          return new BrowserCachePolicyResult(System.currentTimeMillis() + expirationInMilliseconds);
55      }
56  
57      public int getExpirationMinutes() {
58          return expirationMinutes;
59      }
60  
61      public void setExpirationMinutes(int expirationMinutes) {
62          this.expirationMinutes = expirationMinutes;
63      }
64  
65  }