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.core.configuration;
19
20 import griffon.util.AbstractMapResourceBundle;
21
22 import javax.annotation.Nonnull;
23 import javax.annotation.Nullable;
24 import java.util.Collections;
25 import java.util.Map;
26 import java.util.MissingResourceException;
27 import java.util.ResourceBundle;
28
29 import static griffon.util.ConfigUtils.getConfigValue;
30 import static griffon.util.GriffonNameUtils.requireNonBlank;
31 import static java.util.Objects.requireNonNull;
32
33 /**
34 * @author Andres Almiray
35 * @since 2.11.0
36 */
37 public abstract class AbstractMapConfiguration extends AbstractConfiguration {
38 protected static final String ERROR_KEY_BLANK = "Argument 'key' must not be blank";
39 private static final String ERROR_MAP_NULL = "Argument 'map' must not be null";
40 private final Map<String, Object> map;
41
42 protected AbstractMapConfiguration(@Nonnull Map<String, Object> map) {
43 this.map = requireNonNull(map, ERROR_MAP_NULL);
44 }
45
46 @Override
47 public boolean containsKey(@Nonnull String key) {
48 return map.containsKey(requireNonBlank(key, ERROR_KEY_BLANK));
49 }
50
51 @Nonnull
52 @Override
53 public Map<String, Object> asFlatMap() {
54 return Collections.unmodifiableMap(map);
55 }
56
57 @Nonnull
58 @Override
59 public ResourceBundle asResourceBundle() {
60 return new AbstractMapResourceBundle() {
61 @Override
62 protected void initialize(@Nonnull Map<String, Object> entries) {
63 entries.putAll(map);
64 }
65 };
66 }
67
68 @Nullable
69 @Override
70 public Object get(@Nonnull String key) {
71 try {
72 return getConfigValue(map, key);
73 } catch (MissingResourceException mre) {
74 return null;
75 }
76 }
77 }
|