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