1 /**
2 * This file Copyright (c) 2010-2018 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.cache.Cache;
39 import info.magnolia.module.cache.CacheFactory;
40 import info.magnolia.module.cache.inject.CacheFactoryProvider;
41
42 import javax.inject.Inject;
43
44 import org.apache.commons.lang3.StringUtils;
45
46 /**
47 * Command to flush a cache by name.
48 */
49 public class FlushNamedCacheCommand extends MgnlCommand {
50
51 public static final String CACHE_NAME = "cacheName";
52
53 private final CacheFactoryProvider cacheFactoryProvider;
54 private String cacheName;
55
56 @Inject
57 public FlushNamedCacheCommand(CacheFactoryProvider cacheFactoryProvider) {
58 this.cacheFactoryProvider = cacheFactoryProvider;
59 }
60
61
62 @Override
63 public boolean execute(Context context) throws Exception {
64 String cacheName = (String) context.get(CACHE_NAME);
65 if (StringUtils.isBlank(cacheName)) {
66 cacheName = getCacheName();
67 }
68 if(StringUtils.isNotBlank(cacheName)) {
69 CacheFactory factory = cacheFactoryProvider.get();
70 Cache cache = factory.getCache(cacheName);
71 if(cache != null) {
72 cache.clear();
73 }
74 }
75 return true;
76 }
77
78 public String getCacheName() {
79 return cacheName;
80 }
81
82 public void setCacheName(String cacheName) {
83 this.cacheName = cacheName;
84 }
85 }