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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.eclipse.aether.spi.validator;
20  
21  import org.eclipse.aether.artifact.Artifact;
22  import org.eclipse.aether.graph.Dependency;
23  import org.eclipse.aether.metadata.Metadata;
24  import org.eclipse.aether.repository.LocalRepository;
25  import org.eclipse.aether.repository.RemoteRepository;
26  
27  /**
28   * A repository system main input validator; this validator is used in repository system "main entry methods".
29   *
30   * @since 2.0.8
31   */
32  public interface Validator {
33      /**
34       * Validates artifact.
35       *
36       * @param artifact the artifact to validate, never {@code null}.
37       * @throws IllegalArgumentException if artifact is invalid.
38       */
39      default void validateArtifact(Artifact artifact) throws IllegalArgumentException {}
40  
41      /**
42       * Validates metadata.
43       *
44       * @param metadata the metadata to validate, never {@code null}.
45       * @throws IllegalArgumentException if metadata is invalid.
46       */
47      default void validateMetadata(Metadata metadata) throws IllegalArgumentException {}
48  
49      /**
50       * Validates dependency.
51       *
52       * @param dependency the dependency to validate, never {@code null}.
53       * @throws IllegalArgumentException if dependency is invalid.
54       */
55      default void validateDependency(Dependency dependency) throws IllegalArgumentException {}
56  
57      /**
58       * Validates managed dependency.
59       * <em>Important:</em> They are declarative constraints (version/scope/exclusion overrides) that only take effect
60       * when a matching dependency is encountered during collection. Validating them eagerly may reject valid builds
61       * where a BOM imports managed dependencies with uninterpolated property expressions (e.g. {@code ${osgi.version}})
62       * that are never actually used. If a managed dependency IS matched and its coordinates are invalid, the error
63       * will surface naturally during version resolution or artifact resolution.
64       *
65       * @param managedDependency the managed dependency to validate, never {@code null}.
66       * @throws IllegalArgumentException if dependency is invalid.
67       * @since 2.0.22
68       */
69      default void validateManagedDependency(Dependency managedDependency) throws IllegalArgumentException {}
70  
71      /**
72       * Validates local repository.
73       *
74       * @param localRepository the local repository to validate, never {@code null}.
75       * @throws IllegalArgumentException if local repository is invalid.
76       */
77      default void validateLocalRepository(LocalRepository localRepository) throws IllegalArgumentException {}
78  
79      /**
80       * Validates remote repository.
81       *
82       * @param remoteRepository the remote repository to validate, never {@code null}.
83       * @throws IllegalArgumentException if remote repository is invalid.
84       */
85      default void validateRemoteRepository(RemoteRepository remoteRepository) throws IllegalArgumentException {}
86  }