01 /*
02 * Copyright 2008-2017 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
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 org.codehaus.griffon.runtime.util;
17
18 import griffon.core.resources.ResourceHandler;
19 import griffon.util.PropertiesReader;
20 import griffon.util.PropertiesResourceBundle;
21
22 import javax.annotation.Nonnull;
23 import javax.inject.Inject;
24 import javax.inject.Named;
25 import java.io.IOException;
26 import java.net.URL;
27 import java.util.ArrayList;
28 import java.util.Collection;
29 import java.util.List;
30 import java.util.Properties;
31 import java.util.ResourceBundle;
32
33 import static griffon.util.GriffonNameUtils.requireNonBlank;
34 import static java.util.Objects.requireNonNull;
35
36 /**
37 * @author Andres Almiray
38 * @since 2.11.0
39 */
40 @Named("properties")
41 public class PropertiesResourceBundleLoader extends AbstractResourceBundleLoader {
42 protected static final String PROPERTIES_SUFFIX = ".properties";
43
44 protected final PropertiesReader propertiesReader;
45
46 @Inject
47 public PropertiesResourceBundleLoader(@Nonnull ResourceHandler resourceHandler,
48 @Nonnull PropertiesReader propertiesReader) {
49 super(resourceHandler);
50 this.propertiesReader = requireNonNull(propertiesReader, "Argument 'propertiesReader' must not be null");
51 }
52
53 @Nonnull
54 @Override
55 public Collection<ResourceBundle> load(@Nonnull String name) {
56 requireNonBlank(name, ERROR_FILENAME_BLANK);
57 List<ResourceBundle> bundles = new ArrayList<>();
58 List<URL> resources = getResources(name, PROPERTIES_SUFFIX);
59 if (resources != null) {
60 for (URL resource : resources) {
61 if (null == resource) { continue; }
62 try {
63 Properties properties = propertiesReader.load(resource.openStream());
64 bundles.add(new PropertiesResourceBundle(properties));
65 } catch (IOException e) {
66 // ignore
67 }
68 }
69 }
70 return bundles;
71 }
72 }
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