1 package org.eclipse.aether.util.filter;
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.Collection;
23 import java.util.HashSet;
24 import java.util.List;
25 import java.util.Set;
26
27 import org.eclipse.aether.graph.Dependency;
28 import org.eclipse.aether.graph.DependencyFilter;
29 import org.eclipse.aether.graph.DependencyNode;
30
31 /**
32 * A simple filter to exclude artifacts based on either artifact id or group id and artifact id.
33 */
34 public final class ExclusionsDependencyFilter
35 implements DependencyFilter
36 {
37
38 private final Set<String> excludes = new HashSet<>();
39
40 /**
41 * Creates a new filter using the specified exclude patterns. A pattern can either be of the form
42 * {@code groupId:artifactId} (recommended) or just {@code artifactId} (deprecated).
43 *
44 * @param excludes The exclude patterns, may be {@code null} or empty to exclude no artifacts.
45 */
46 public ExclusionsDependencyFilter( Collection<String> excludes )
47 {
48 if ( excludes != null )
49 {
50 this.excludes.addAll( excludes );
51 }
52 }
53
54 public boolean accept( DependencyNode node, List<DependencyNode> parents )
55 {
56 Dependency dependency = node.getDependency();
57
58 if ( dependency == null )
59 {
60 return true;
61 }
62
63 String id = dependency.getArtifact().getArtifactId();
64
65 if ( excludes.contains( id ) )
66 {
67 return false;
68 }
69
70 id = dependency.getArtifact().getGroupId() + ':' + id;
71
72 if ( excludes.contains( id ) )
73 {
74 return false;
75 }
76
77 return true;
78 }
79
80 @Override
81 public boolean equals( Object obj )
82 {
83 if ( this == obj )
84 {
85 return true;
86 }
87
88 if ( obj == null || !getClass().equals( obj.getClass() ) )
89 {
90 return false;
91 }
92
93 ExclusionsDependencyFilter that = (ExclusionsDependencyFilter) obj;
94
95 return this.excludes.equals( that.excludes );
96 }
97
98 @Override
99 public int hashCode()
100 {
101 int hash = 17;
102 hash = hash * 31 + excludes.hashCode();
103 return hash;
104 }
105
106 }