1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.api.feature;
20
21 import java.util.Map;
22 import java.util.Properties;
23
24 import org.apache.maven.api.Constants;
25 import org.apache.maven.api.annotations.Nullable;
26
27 /**
28 * Centralized class for Maven Core feature information.
29 * Features configured are supposed to be final in a given maven session.
30 *
31 * @since 4.0.0
32 */
33 public final class Features {
34
35 private Features() {}
36
37 /**
38 * Check if the consumer POM feature is active.
39 */
40 public static boolean consumerPom(@Nullable Properties userProperties) {
41 return doGet(userProperties, Constants.MAVEN_CONSUMER_POM, true);
42 }
43
44 /**
45 * Check if the consumer POM feature is active.
46 */
47 public static boolean consumerPom(@Nullable Map<String, String> userProperties, boolean def) {
48 return doGet(userProperties, Constants.MAVEN_CONSUMER_POM, def);
49 }
50
51 private static boolean doGet(Properties userProperties, String key, boolean def) {
52 return doGet(userProperties != null ? userProperties.get(key) : null, def);
53 }
54
55 private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
56 return doGet(userProperties != null ? userProperties.get(key) : null, def);
57 }
58
59 private static boolean doGet(Object val, boolean def) {
60 if (val instanceof Boolean) {
61 return (Boolean) val;
62 } else if (val != null) {
63 return Boolean.parseBoolean(val.toString());
64 } else {
65 return def;
66 }
67 }
68 }