001 /*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2008-2017 the original author or authors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.codehaus.griffon.runtime.core.configuration;
019
020 import griffon.core.Configuration;
021
022 import javax.annotation.Nonnull;
023 import javax.annotation.Nullable;
024 import java.beans.PropertyEditor;
025 import java.util.Map;
026 import java.util.Properties;
027 import java.util.ResourceBundle;
028
029 import static griffon.core.editors.PropertyEditorResolver.findEditor;
030 import static griffon.util.CollectionUtils.toProperties;
031 import static griffon.util.TypeUtils.castToBoolean;
032 import static griffon.util.TypeUtils.castToDouble;
033 import static griffon.util.TypeUtils.castToFloat;
034 import static griffon.util.TypeUtils.castToInt;
035 import static griffon.util.TypeUtils.castToLong;
036 import static java.util.Objects.requireNonNull;
037
038 /**
039 * @author Andres Almiray
040 * @since 2.2.0
041 */
042 public class ConfigurationDecorator implements Configuration {
043 protected final Configuration delegate;
044
045 public ConfigurationDecorator(@Nonnull Configuration delegate) {
046 this.delegate = requireNonNull(delegate, "Argument 'delegate' must not be null.");
047 }
048
049 @Override
050 @Nullable
051 public Object get(@Nonnull String key) {
052 return delegate.get(key);
053 }
054
055 @Nullable
056 @Override
057 @SuppressWarnings("unchecked")
058 public <T> T get(@Nonnull String key, @Nullable T defaultValue) {
059 return delegate.get(key, defaultValue);
060 }
061
062 @Nullable
063 @Override
064 public Object getAt(@Nonnull String key) {
065 return get(key);
066 }
067
068 @Nullable
069 @Override
070 public <T> T getAt(@Nonnull String key, @Nullable T defaultValue) {
071 return get(key, defaultValue);
072 }
073
074 @Override
075 public boolean getAsBoolean(@Nonnull String key) {
076 return getAsBoolean(key, false);
077 }
078
079 @Override
080 public boolean getAsBoolean(@Nonnull String key, boolean defaultValue) {
081 return castToBoolean(get(key), defaultValue);
082 }
083
084 @Override
085 public int getAsInt(@Nonnull String key) {
086 return getAsInt(key, 0);
087 }
088
089 @Override
090 public int getAsInt(@Nonnull String key, int defaultValue) {
091 return castToInt(get(key), defaultValue);
092 }
093
094 @Override
095 public long getAsLong(@Nonnull String key) {
096 return getAsLong(key, 0L);
097 }
098
099 @Override
100 public long getAsLong(@Nonnull String key, long defaultValue) {
101 return castToLong(get(key), defaultValue);
102 }
103
104 @Override
105 public float getAsFloat(@Nonnull String key) {
106 return getAsFloat(key, 0f);
107 }
108
109 @Override
110 public float getAsFloat(@Nonnull String key, float defaultValue) {
111 return castToFloat(get(key), defaultValue);
112 }
113
114 @Override
115 public double getAsDouble(@Nonnull String key) {
116 return getAsDouble(key, 0d);
117 }
118
119 @Override
120 public double getAsDouble(@Nonnull String key, double defaultValue) {
121 return castToDouble(get(key), defaultValue);
122 }
123
124 @Nullable
125 @Override
126 public String getAsString(@Nonnull String key) {
127 return getAsString(key, null);
128 }
129
130 @Nullable
131 @Override
132 public String getAsString(@Nonnull String key, @Nullable String defaultValue) {
133 return delegate.getAsString(key, defaultValue);
134 }
135
136 @Nullable
137 @Override
138 public <T> T getAs(@Nonnull String key) {
139 return delegate.getAs(key);
140 }
141
142 @Nullable
143 @Override
144 public <T> T getAs(@Nonnull String key, @Nullable T defaultValue) {
145 return delegate.getAs(key, defaultValue);
146 }
147
148 @Nullable
149 @Override
150 public <T> T getConverted(@Nonnull String key, @Nonnull Class<T> type) {
151 return delegate.getConverted(key, type);
152 }
153
154 @Nullable
155 @Override
156 public <T> T getConverted(@Nonnull String key, @Nonnull Class<T> type, @Nullable T defaultValue) {
157 return delegate.getConverted(key, type, defaultValue);
158 }
159
160 @Override
161 @Nullable
162 public <T> T getConverted(@Nonnull String key, @Nonnull Class<T> type, @Nonnull String format) {
163 return delegate.getConverted(key, type, format);
164 }
165
166 @Override
167 @Nullable
168 public <T> T getConverted(@Nonnull String key, @Nonnull Class<T> type, @Nonnull String format, @Nullable T defaultValue) {
169 return delegate.getConverted(key, type, format, defaultValue);
170 }
171
172 @Nonnull
173 @Override
174 public Properties asProperties() {
175 return toProperties(asFlatMap());
176 }
177
178 @Override
179 public boolean containsKey(@Nonnull String key) {
180 return delegate.containsKey(key);
181 }
182
183 @Nonnull
184 @Override
185 public Map<String, Object> asFlatMap() {
186 return delegate.asFlatMap();
187 }
188
189 @Nonnull
190 @Override
191 public ResourceBundle asResourceBundle() {
192 return delegate.asResourceBundle();
193 }
194
195 @SuppressWarnings("unchecked")
196 protected <T> T convertValue(@Nullable Object value, @Nonnull Class<T> type) {
197 if (value != null) {
198 if (type.isAssignableFrom(value.getClass())) {
199 return (T) value;
200 } else {
201 PropertyEditor editor = findEditor(type);
202 editor.setValue(value);
203 return (T) editor.getValue();
204 }
205 }
206 return null;
207 }
208 }
|