1 /*
2 * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.properties.spi.config.cache.infinispan;
17
18 import javax.naming.InitialContext;
19 import javax.naming.NamingException;
20
21 import org.infinispan.manager.EmbeddedCacheManager;
22
23 import de.smartics.properties.api.config.cache.CacheConfiguration;
24 import de.smartics.properties.spi.config.cache.CacheConfigurationLoader;
25 import de.smartics.properties.spi.config.cache.CacheException;
26 import de.smartics.properties.spi.config.cache.CacheMessageBean;
27
28 /**
29 * This service looks up the jndi name in the cache.properties file and fetches
30 * the CacheManager using this name from the jndi context.
31 */
32 public final class JndiCacheManagerLookupService
33 {
34 // ********************************* Fields *********************************
35
36 // --- constants ------------------------------------------------------------
37
38 // --- members --------------------------------------------------------------
39
40 // ****************************** Initializer *******************************
41
42 // ****************************** Constructors ******************************
43
44 /**
45 * Default.
46 */
47 public JndiCacheManagerLookupService()
48 {
49
50 }
51
52 // ****************************** Inner Classes *****************************
53
54 // ********************************* Methods ********************************
55
56 // --- init -----------------------------------------------------------------
57
58 // --- get&set --------------------------------------------------------------
59
60 // --- business -------------------------------------------------------------
61
62 /**
63 * Creates the embedded cache manager.
64 *
65 * @return the embedded cache manager.
66 * @throws CacheException on any problem loading the cache.
67 */
68 public CacheManagerProxy createManager() throws CacheException
69 {
70 final CacheConfigurationLoader loader = new CacheConfigurationLoader();
71 final CacheConfiguration properties = loader.load();
72 final String mappedName = properties.getJndiName();
73 final String cacheName = properties.getCacheName();
74 final EmbeddedCacheManager manager =
75 lookup(properties.getCacheId(), mappedName);
76
77 final CacheManagerProxy proxy = new CacheManagerProxy(manager, cacheName);
78
79 return proxy;
80 }
81
82 private EmbeddedCacheManager lookup(final String cacheId,
83 final String mappedName)
84 {
85 try
86 {
87 final InitialContext context = new InitialContext();
88 final Object o = context.lookup(mappedName);
89 final EmbeddedCacheManager manager = (EmbeddedCacheManager) o;
90 return manager;
91 }
92 catch (final NamingException e)
93 {
94 throw new CacheException(CacheMessageBean.jndi(e, cacheId, mappedName));
95 }
96 }
97 // --- object basics --------------------------------------------------------
98
99 }