Java tutorial
package org.apache.maven.extension.internal; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedHashMap; import java.util.Map; import java.util.Set; import org.codehaus.plexus.classworlds.realm.ClassRealm; /** * Provides information about artifacts (identified by groupId:artifactId string key) and classpath elements exported by * Maven core itself and loaded Maven core extensions. * * @since 3.3.0 */ public class CoreExports { private final Set<String> artifacts; private final Map<String, ClassLoader> packages; public CoreExports(CoreExtensionEntry entry) { this(entry.getClassRealm(), entry.getExportedArtifacts(), entry.getExportedPackages()); } public CoreExports(ClassRealm realm, Set<String> exportedArtifacts, Set<String> exportedPackages) { Map<String, ClassLoader> packages = new LinkedHashMap<>(); for (String pkg : exportedPackages) { packages.put(pkg, realm); } this.artifacts = Collections.unmodifiableSet(new HashSet<>(exportedArtifacts)); this.packages = Collections.unmodifiableMap(new HashMap<>(packages)); } /** * Returns artifacts exported by Maven core and core extensions. Artifacts are identified by their * groupId:artifactId string key. */ public Set<String> getExportedArtifacts() { return artifacts; } /** * Returns packages exported by Maven core and core extensions. */ public Map<String, ClassLoader> getExportedPackages() { return packages; } }