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1   package org.apache.maven.artifact.resolver.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.Arrays;
23  import java.util.LinkedHashSet;
24  import java.util.Set;
25  
26  import org.apache.maven.artifact.Artifact;
27  
28  /**
29   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
30   */
31  public class ExclusionSetFilter
32      implements ArtifactFilter
33  {
34      private Set<String> excludes;
35  
36      public ExclusionSetFilter( String[] excludes )
37      {
38          this.excludes = new LinkedHashSet<String>( Arrays.asList( excludes ) );
39      }
40  
41      public ExclusionSetFilter( Set<String> excludes )
42      {
43          this.excludes = excludes;
44      }
45  
46      public boolean include( Artifact artifact )
47      {
48          String id = artifact.getArtifactId();
49  
50          if ( excludes.contains( id ) )
51          {
52              return false;
53          }
54  
55          id = artifact.getGroupId() + ':' + id;
56  
57          return !excludes.contains( id );
58  
59      }
60  
61      @Override
62      public int hashCode()
63      {
64          int hash = 17;
65          hash = hash * 31 + excludes.hashCode();
66          return hash;
67      }
68  
69      @Override
70      public boolean equals( Object obj )
71      {
72          if ( this == obj )
73          {
74              return true;
75          }
76  
77          if ( !( obj instanceof ExclusionSetFilter ) )
78          {
79              return false;
80          }
81  
82          ExclusionSetFilter other = (ExclusionSetFilter) obj;
83  
84          return excludes.equals( other.excludes );
85      }
86  }