| /* |
| * 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.apache.maven.artifact.resolver.filter; |
| |
| import java.lang.reflect.Proxy; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Path; |
| import java.nio.file.PathMatcher; |
| import java.util.List; |
| import java.util.function.Predicate; |
| import java.util.stream.Collectors; |
| |
| import org.apache.maven.artifact.Artifact; |
| import org.apache.maven.model.Exclusion; |
| |
| /** |
| * Filter to exclude from a list of artifact patterns. |
| */ |
| public class ExclusionArtifactFilter implements ArtifactFilter { |
| |
| private final List<Exclusion> exclusions; |
| private final List<Predicate<Artifact>> predicates; |
| |
| public ExclusionArtifactFilter(List<Exclusion> exclusions) { |
| this.exclusions = exclusions; |
| this.predicates = |
| exclusions.stream().map(ExclusionArtifactFilter::toPredicate).collect(Collectors.toList()); |
| } |
| |
| @Override |
| public boolean include(Artifact artifact) { |
| return predicates.stream().noneMatch(p -> p.test(artifact)); |
| } |
| |
| private static Predicate<Artifact> toPredicate(Exclusion exclusion) { |
| PathMatcher groupId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getGroupId()); |
| PathMatcher artifactId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getArtifactId()); |
| Predicate<Artifact> predGroupId = a -> groupId.matches(createPathProxy(a.getGroupId())); |
| Predicate<Artifact> predArtifactId = a -> artifactId.matches(createPathProxy(a.getArtifactId())); |
| return predGroupId.and(predArtifactId); |
| } |
| |
| /** |
| * In order to reuse the glob matcher from the filesystem, we need |
| * to create Path instances. Those are only used with the toString method. |
| * This hack works because the only system-dependent thing is the path |
| * separator which should not be part of the groupId or artifactId. |
| */ |
| private static Path createPathProxy(String value) { |
| return (Path) Proxy.newProxyInstance( |
| ExclusionArtifactFilter.class.getClassLoader(), new Class[] {Path.class}, (proxy1, method, args) -> { |
| if ("toString".equals(method.getName())) { |
| return value; |
| } |
| throw new UnsupportedOperationException(); |
| }); |
| } |
| } |