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 griffon.core.env;
19
20 import javax.annotation.Nonnull;
21
22 import static griffon.util.GriffonNameUtils.isNotBlank;
23 import static griffon.util.GriffonNameUtils.requireNonBlank;
24 import static java.util.Objects.requireNonNull;
25
26 /**
27 * @author Andres Almiray
28 */
29 public class Feature {
30 private static final String ERROR_FEATURE_NAME_BLANK = "Argument 'featureName' cannot be blank";
31
32 public static boolean isFeatureEnabled(@Nonnull String featureName) {
33 requireNonBlank(featureName, ERROR_FEATURE_NAME_BLANK);
34 return isNotBlank(System.getProperty(featureName)) && Boolean.getBoolean(featureName);
35 }
36
37 public static void setFeatureEnabled(@Nonnull String featureName, boolean enabled) {
38 requireNonBlank(featureName, ERROR_FEATURE_NAME_BLANK);
39 System.setProperty(featureName, String.valueOf(enabled));
40 }
41
42 public static void withFeature(@Nonnull String featureName, @Nonnull Runnable runnable) {
43 requireNonNull(runnable, "Argument 'runnable' cannot be null");
44 if (isFeatureEnabled(featureName)) {
45 runnable.run();
46 }
47 }
48 }
|