1 package org.apache.maven.extension.internal;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Collections;
23 import java.util.HashSet;
24 import java.util.Map;
25 import java.util.Set;
26
27 import org.codehaus.plexus.classworlds.realm.ClassRealm;
28
29 import static java.util.function.Function.identity;
30 import static java.util.stream.Collectors.collectingAndThen;
31 import static java.util.stream.Collectors.toMap;
32
33 /**
34 * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by
35 * Maven core itself and loaded Maven core extensions.
36 *
37 * @since 3.3.0
38 */
39 public class CoreExports
40 {
41 private final Set<String> artifacts;
42
43 private final Map<String, ClassLoader> packages;
44
45 public CoreExports( CoreExtensionEntry entry )
46 {
47 this( entry.getClassRealm(), entry.getExportedArtifacts(), entry.getExportedPackages() );
48 }
49
50 public CoreExports( ClassRealm realm, Set<String> exportedArtifacts, Set<String> exportedPackages )
51 {
52 this.artifacts = Collections.unmodifiableSet( new HashSet<>( exportedArtifacts ) );
53 this.packages = exportedPackages.stream().collect(
54 collectingAndThen( toMap( identity(), v -> realm ), Collections::unmodifiableMap ) );
55 }
56
57 /**
58 * Returns artifacts exported by Maven core and core extensions. Artifacts are identified by their
59 * groupId:artifactId string key.
60 */
61 public Set<String> getExportedArtifacts()
62 {
63 return artifacts;
64 }
65
66 /**
67 * Returns packages exported by Maven core and core extensions.
68 */
69 public Map<String, ClassLoader> getExportedPackages()
70 {
71 return packages;
72 }
73 }