1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.resources.impl;
19
20 import org.apache.commons.resources.Resources;
21 import org.apache.commons.resources.ResourcesException;
22
23 /**
24 * <p>Concrete implementation of {@link org.apache.commons.resources.ResourcesFactory} that creates
25 * {@link org.apache.commons.resources.Resources} instances that wrap a family (one per Locale) of
26 * property files that share a base context-relative path for
27 * servlet context resources, and have name suffixes reflecting
28 * the Locale for which the file's messages apply. Resources are
29 * looked up in a hierarchy of files in a manner identical to that
30 * performed by <code>java.util.ResourceBundle.getBundle()</code>.</p>
31 *
32 * <p>The configuration variable passed to the <code>createResources()</code>
33 * method must be the context-relative base name of the properties file family,
34 * and must begin with a slash ('/') character.
35 * For example, if the configuration URL is passed as
36 * <code>/WEB-INF/resources/MyResources</code>, the resources for the
37 * <code>en_US</code> Locale would be stored under context resource
38 * <code>/WEB-INF/resources/MyReesources_en_US.properties</code>, and the
39 * default resources would be stored in
40 * <code>/WEB-INF/resources/MyResources.properties</code>.</p>
41 */
42 public class WebappPropertyResourcesFactory extends WebappResourcesFactoryBase {
43
44
45 /**
46 * <p>Create and return a new {@link org.apache.commons.resources.Resources} instance with the
47 * specified logical name, after calling its <code>init()</code>
48 * method and delegating the relevant properties.</p>
49 *
50 * @param name Logical name of the {@link org.apache.commons.resources.Resources} instance to create
51 * @param config Configuration string for this resource (if any)
52 * @return The new Resources instance.
53 *
54 * @exception ResourcesException if a {@link org.apache.commons.resources.Resources} instance
55 * of the specified logical name cannot be created.
56 */
57 protected Resources createResources(String name, String config) {
58
59 Resources res =
60 new WebappPropertyResources(name, config, getServletContext());
61 res.setReturnNull(isReturnNull());
62 res.init();
63 return (res);
64
65 }
66
67
68 }