| WebCachePool.java |
1 /**
2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.util;
24
25 import com.liferay.portal.kernel.cache.PortalCache;
26 import com.liferay.portal.kernel.cache.SingleVMPoolUtil;
27 import com.liferay.util.ConverterException;
28 import com.liferay.util.Time;
29
30 import org.apache.commons.logging.Log;
31 import org.apache.commons.logging.LogFactory;
32
33 /**
34 * <a href="WebCachePool.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class WebCachePool {
40
41 public static final String CACHE_NAME = WebCachePool.class.getName();
42
43 public static void clear() {
44 _cache.removeAll();
45 }
46
47 public static Object get(String key, WebCacheable wc) {
48 Object obj = SingleVMPoolUtil.get(_cache, key);
49
50 if (obj == null) {
51 try {
52 obj = wc.convert(key);
53
54 int timeToLive = (int)(wc.getRefreshTime() / Time.SECOND);
55
56 _cache.put(key, obj, timeToLive);
57 }
58 catch (ConverterException ce) {
59 _log.error(ce.getMessage());
60 }
61 }
62
63 return obj;
64 }
65
66 public static void remove(String key) {
67 SingleVMPoolUtil.remove(_cache, key);
68 }
69
70 private static Log _log = LogFactory.getLog(WebCachePool.class);
71
72 private static PortalCache _cache = SingleVMPoolUtil.getCache(CACHE_NAME);
73
74 }