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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.apache.maven.artifact.resolver.filter;
20  
21  import java.util.Arrays;
22  import java.util.LinkedHashSet;
23  import java.util.Set;
24  
25  import org.apache.maven.artifact.Artifact;
26  
27  /**
28   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
29   */
30  public class ExclusionSetFilter implements ArtifactFilter {
31      private Set<String> excludes;
32  
33      public ExclusionSetFilter(String[] excludes) {
34          this.excludes = new LinkedHashSet<>(Arrays.asList(excludes));
35      }
36  
37      public ExclusionSetFilter(Set<String> excludes) {
38          this.excludes = excludes;
39      }
40  
41      public boolean include(Artifact artifact) {
42          String id = artifact.getArtifactId();
43  
44          if (excludes.contains(id)) {
45              return false;
46          }
47  
48          id = artifact.getGroupId() + ':' + id;
49  
50          return !excludes.contains(id);
51      }
52  
53      @Override
54      public int hashCode() {
55          int hash = 17;
56          hash = hash * 31 + excludes.hashCode();
57          return hash;
58      }
59  
60      @Override
61      public boolean equals(Object obj) {
62          if (this == obj) {
63              return true;
64          }
65  
66          if (!(obj instanceof ExclusionSetFilter)) {
67              return false;
68          }
69  
70          ExclusionSetFilter other = (ExclusionSetFilter) obj;
71  
72          return excludes.equals(other.excludes);
73      }
74  }