01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.codehaus.griffon.runtime.util;
19
20 import griffon.core.injection.Injector;
21 import griffon.util.ResourceBundleLoader;
22
23 import javax.annotation.Nonnull;
24 import javax.inject.Inject;
25 import javax.inject.Provider;
26 import java.util.ArrayList;
27 import java.util.Collection;
28 import java.util.List;
29 import java.util.Map;
30 import java.util.ResourceBundle;
31 import java.util.concurrent.ConcurrentHashMap;
32
33 import static griffon.util.AnnotationUtils.sortByDependencies;
34 import static java.util.Objects.requireNonNull;
35
36 /**
37 * @author Andres Almiray
38 * @since 2.0.0
39 */
40 public class DefaultCompositeResourceBundleBuilder extends AbstractCompositeResourceBundleBuilder {
41 protected static final String ERROR_INJECTOR_NULL = "Argument 'injector' must not be null";
42
43 private final Provider<Injector> injector;
44 private final Map<String, ResourceBundleLoader> loaders = new ConcurrentHashMap<>();
45
46 @Inject
47 public DefaultCompositeResourceBundleBuilder(@Nonnull Provider<Injector> injector) {
48 this.injector = requireNonNull(injector, ERROR_INJECTOR_NULL);
49 }
50
51 protected void initialize() {
52 if (loaders.isEmpty()) {
53 Collection<ResourceBundleLoader> instances = injector.get().getInstances(ResourceBundleLoader.class);
54 loaders.putAll(sortByDependencies(instances, "", "resource bundle loader"));
55 }
56 }
57
58 @Nonnull
59 protected Collection<ResourceBundle> loadBundlesFor(@Nonnull String basename) {
60 List<ResourceBundle> bundles = new ArrayList<>();
61 for (Map.Entry<String, ResourceBundleLoader> e : loaders.entrySet()) {
62 Collection<ResourceBundle> loaded = e.getValue().load(basename);
63 if (!loaded.isEmpty()) {
64 bundles.addAll(loaded);
65 }
66 }
67
68 return bundles;
69 }
70 }
|