001package org.eclipse.aether.spi.resolution;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.List;
023
024import org.eclipse.aether.RepositorySystemSession;
025import org.eclipse.aether.resolution.ArtifactResult;
026
027/**
028 * Artifact resolver post-resolution processor component, is able to hook into resolver and post-process the resolved
029 * artifact results, if needed even produce resolution failure. It will always be invoked (even when failure is about
030 * to happen), so detecting these cases are left to post processor implementations.
031 *
032 * @since 1.9.0
033 */
034public interface ArtifactResolverPostProcessor
035{
036    /**
037     * Receives resolver results just before it would return it to caller. Is able to generate "resolution failure"
038     * by augmenting passed in {@link ArtifactResult}s (artifacts should be "unresolved" and exceptions added).
039     * <p>
040     * Implementations must be aware that the passed in list of {@link ArtifactResult}s may have failed resolutions,
041     * best to check that using {@link ArtifactResult#isResolved()} method.
042     * <p>
043     * The implementations must be aware that this call may be "hot", so it directly affects the performance of
044     * resolver in general.
045     */
046    void postProcess( RepositorySystemSession session, List<ArtifactResult> artifactResults );
047}