| CacheUtil.java |
1 /**
2 * Copyright (c) 2000-2009 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.servlet.filters.cache;
24
25 import com.liferay.portal.kernel.cache.MultiVMPoolUtil;
26 import com.liferay.portal.kernel.cache.PortalCache;
27 import com.liferay.portal.kernel.util.StringPool;
28 import com.liferay.portal.kernel.util.Validator;
29 import com.liferay.util.servlet.filters.CacheResponseData;
30
31 /**
32 * <a href="CacheUtil.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Alexander Chow
35 * @author Michael Young
36 */
37 public class CacheUtil {
38
39 public static String CACHE_NAME = CacheUtil.class.getName();
40
41 public static void clearCache() {
42 _cache.removeAll();
43 }
44
45 public static void clearCache(long companyId) {
46 clearCache();
47 }
48
49 public static CacheResponseData getCacheResponseData(
50 long companyId, String key) {
51
52 if (Validator.isNull(key)) {
53 return null;
54 }
55
56 key = _encodeKey(companyId, key);
57
58 CacheResponseData data =
59 (CacheResponseData)MultiVMPoolUtil.get(_cache, key);
60
61 return data;
62 }
63
64 public static void putCacheResponseData(
65 long companyId, String key, CacheResponseData data) {
66
67 if (data != null) {
68 key = _encodeKey(companyId, key);
69
70 MultiVMPoolUtil.put(_cache, key, data);
71 }
72 }
73
74 private static String _encodeKey(long companyId, String key) {
75 StringBuilder sb = new StringBuilder();
76
77 sb.append(CACHE_NAME);
78 sb.append(StringPool.POUND);
79 sb.append(companyId);
80 sb.append(StringPool.POUND);
81 sb.append(key);
82
83 return sb.toString();
84 }
85
86 private static PortalCache _cache = MultiVMPoolUtil.getCache(CACHE_NAME);
87
88 }