1 /**
2 * This file Copyright (c) 2010-2010 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.commands;
35
36 import info.magnolia.commands.MgnlCommand;
37 import info.magnolia.context.Context;
38 import info.magnolia.module.ModuleRegistry;
39 import info.magnolia.module.cache.Cache;
40 import info.magnolia.module.cache.CacheFactory;
41 import info.magnolia.module.cache.CacheModule;
42
43 import org.apache.commons.lang.StringUtils;
44
45 /**
46 * Command to flush a cache by name.
47 * @author Bert Leunis
48 *
49 */
50 public class FlushNamedCacheCommand extends MgnlCommand {
51
52 public static final String CACHE_NAME = "cacheName";
53 private final CacheModule cacheModule;
54
55 public FlushNamedCacheCommand() {
56 cacheModule = ModuleRegistry.Factory.getInstance().getModuleInstance(CacheModule.class);
57 }
58
59 @Override
60 public boolean execute(Context context) throws Exception {
61 String cacheName = (String) context.get(CACHE_NAME);
62 if(StringUtils.isNotBlank(cacheName)) {
63 CacheFactory factory = cacheModule.getCacheFactory();
64 Cache cache = factory.getCache(cacheName);
65 if(cache != null) {
66 cache.clear();
67 }
68 }
69 return true;
70 }
71
72 }