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.Session;
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 /**
36 * Name of the Maven user property to enable or disable the build/consumer POM feature.
37 */
38 public static final String BUILDCONSUMER = "maven.buildconsumer";
39
40 private Features() {}
41
42 /**
43 * Check if the build/consumer POM feature is active.
44 */
45 public static boolean buildConsumer(@Nullable Properties userProperties) {
46 return doGet(userProperties, BUILDCONSUMER, true);
47 }
48
49 /**
50 * Check if the build/consumer POM feature is active.
51 */
52 public static boolean buildConsumer(@Nullable Map<String, String> userProperties) {
53 return doGet(userProperties, BUILDCONSUMER, true);
54 }
55
56 /**
57 * Check if the build/consumer POM feature is active.
58 */
59 public static boolean buildConsumer(@Nullable Session session) {
60 return buildConsumer(session != null ? session.getUserProperties() : null);
61 }
62
63 private static boolean doGet(Properties userProperties, String key, boolean def) {
64 return doGet(userProperties != null ? userProperties.get(key) : null, def);
65 }
66
67 private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
68 return doGet(userProperties != null ? userProperties.get(key) : null, def);
69 }
70
71 private static boolean doGet(Object val, boolean def) {
72 if (val instanceof Boolean) {
73 return (Boolean) val;
74 } else if (val != null) {
75 return Boolean.parseBoolean(val.toString());
76 } else {
77 return def;
78 }
79 }
80 }