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1   package org.eclipse.aether.spi.resolution;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.List;
23  
24  import org.eclipse.aether.RepositorySystemSession;
25  import org.eclipse.aether.resolution.ArtifactResult;
26  
27  /**
28   * Artifact resolver post-resolution processor component, is able to hook into resolver and post-process the resolved
29   * artifact results, if needed even produce resolution failure. It will always be invoked (even when failure is about
30   * to happen), so detecting these cases are left to post processor implementations.
31   *
32   * @since 1.9.0
33   */
34  public interface ArtifactResolverPostProcessor
35  {
36      /**
37       * Receives resolver results just before it would return it to caller. Is able to generate "resolution failure"
38       * by augmenting passed in {@link ArtifactResult}s (artifacts should be "unresolved" and exceptions added).
39       * <p>
40       * Implementations must be aware that the passed in list of {@link ArtifactResult}s may have failed resolutions,
41       * best to check that using {@link ArtifactResult#isResolved()} method.
42       * <p>
43       * The implementations must be aware that this call may be "hot", so it directly affects the performance of
44       * resolver in general.
45       */
46      void postProcess( RepositorySystemSession session, List<ArtifactResult> artifactResults );
47  }