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.impl.config.jndi;
17
18 import javax.annotation.concurrent.ThreadSafe;
19 import javax.naming.NamingException;
20
21 import de.smartics.properties.api.config.domain.ConfigurationException;
22 import de.smartics.properties.api.config.domain.key.ConfigurationKey;
23 import de.smartics.properties.spi.config.support.AbstractConfigurationPropertiesFactory;
24
25 /**
26 * Factory to create instances of {@link JndiConfigurationProperties}.
27 */
28 @ThreadSafe
29 public final class JndiConfigurationPropertiesFactory extends
30 AbstractConfigurationPropertiesFactory<JndiConfigurationProperties>
31 {
32 // ********************************* Fields *********************************
33
34 // --- constants ------------------------------------------------------------
35
36 /**
37 * The class version identifier.
38 */
39 private static final long serialVersionUID = 1L;
40
41 // --- members --------------------------------------------------------------
42
43 // ****************************** Initializer *******************************
44
45 // ****************************** Constructors ******************************
46
47 /**
48 * Default constructor.
49 */
50 public JndiConfigurationPropertiesFactory()
51 {
52 }
53
54 // ****************************** Inner Classes *****************************
55
56 // ********************************* Methods ********************************
57
58 // --- init -----------------------------------------------------------------
59
60 // --- get&set --------------------------------------------------------------
61
62 // --- business -------------------------------------------------------------
63
64 /**
65 * Creates an empty instance of the configuration properties instance. Where
66 * the public create methods may consult a cache, this method is required to
67 * create a new instance.
68 *
69 * @param key the key to the instance.
70 * @return the instance. Never <code>null</code>.
71 * @throws NullPointerException if {@code key} is <code>null</code>.
72 * @throws ConfigurationException if the configuration cannot be created.
73 */
74 protected JndiConfigurationProperties createNewConfiguration(
75 final ConfigurationKey<?> key) throws NullPointerException,
76 ConfigurationException
77 {
78 try
79 {
80 final JndiConfigurationProperties config =
81 new JndiConfigurationProperties(key, getRegistry(),
82 getFactoryConfiguration().getDecrypter());
83 return config;
84 }
85 catch (final NamingException e)
86 {
87 throw new IllegalStateException("Cannot fetch configuration for key '"
88 + key + "' from JNDI.", e); // TODO
89 // smartics-exception
90 }
91 }
92
93 // --- object basics --------------------------------------------------------
94
95 }