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.extension.internal;
20
21 import java.util.Collections;
22 import java.util.HashSet;
23 import java.util.Map;
24 import java.util.Set;
25
26 import org.codehaus.plexus.classworlds.realm.ClassRealm;
27
28 import static java.util.function.Function.identity;
29 import static java.util.stream.Collectors.collectingAndThen;
30 import static java.util.stream.Collectors.toMap;
31
32 /**
33 * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by
34 * Maven core itself and loaded Maven core extensions.
35 *
36 * @since 3.3.0
37 */
38 public class CoreExports {
39 private final Set<String> artifacts;
40
41 private final Map<String, ClassLoader> packages;
42
43 public CoreExports(CoreExtensionEntry entry) {
44 this(entry.getClassRealm(), entry.getExportedArtifacts(), entry.getExportedPackages());
45 }
46
47 public CoreExports(ClassRealm realm, Set<String> exportedArtifacts, Set<String> exportedPackages) {
48 this.artifacts = Collections.unmodifiableSet(new HashSet<>(exportedArtifacts));
49 this.packages = exportedPackages.stream()
50 .collect(collectingAndThen(toMap(identity(), v -> realm), Collections::unmodifiableMap));
51 }
52
53 /**
54 * Returns artifacts exported by Maven core and core extensions. Artifacts are identified by their
55 * groupId:artifactId string key.
56 */
57 public Set<String> getExportedArtifacts() {
58 return artifacts;
59 }
60
61 /**
62 * Returns packages exported by Maven core and core extensions.
63 */
64 public Map<String, ClassLoader> getExportedPackages() {
65 return packages;
66 }
67 }