| /* |
| * 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. |
| */ |
| package org.eclipse.aether.util.graph.version; |
| |
| import java.util.Iterator; |
| import java.util.Objects; |
| import java.util.function.Predicate; |
| |
| import org.eclipse.aether.artifact.Artifact; |
| import org.eclipse.aether.collection.DependencyCollectionContext; |
| import org.eclipse.aether.collection.VersionFilter; |
| import org.eclipse.aether.version.Version; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| /** |
| * A version filter that excludes any version that is blacklisted. |
| * |
| * @since 2.0.0 |
| */ |
| public final class PredicateVersionFilter implements VersionFilter { |
| private final Predicate<Artifact> artifactPredicate; |
| |
| /** |
| * Creates a new instance of this version filter. |
| */ |
| public PredicateVersionFilter(Predicate<Artifact> artifactPredicate) { |
| this.artifactPredicate = requireNonNull(artifactPredicate); |
| } |
| |
| @Override |
| public void filterVersions(VersionFilterContext context) { |
| Artifact dependencyArtifact = context.getDependency().getArtifact(); |
| Iterator<Version> it = context.iterator(); |
| while (it.hasNext()) { |
| Version version = it.next(); |
| if (!artifactPredicate.test(dependencyArtifact.setVersion(version.toString()))) { |
| it.remove(); |
| } |
| } |
| } |
| |
| @Override |
| public VersionFilter deriveChildFilter(DependencyCollectionContext context) { |
| return this; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| PredicateVersionFilter that = (PredicateVersionFilter) o; |
| return Objects.equals(artifactPredicate, that.artifactPredicate); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(artifactPredicate); |
| } |
| } |