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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   * @version $Id: ExclusionSetFilter.java 917014 2010-02-27 18:55:06Z bentmann $
31   */
32  public class ExclusionSetFilter
33      implements ArtifactFilter
34  {
35      private Set<String> excludes;
36  
37      public ExclusionSetFilter( String[] excludes )
38      {
39          this.excludes = new LinkedHashSet<String>( Arrays.asList( excludes ) );
40      }
41  
42      public ExclusionSetFilter( Set<String> excludes )
43      {
44          this.excludes = excludes;
45      }
46  
47      public boolean include( Artifact artifact )
48      {
49          String id = artifact.getArtifactId();
50  
51          if ( excludes.contains( id ) )
52          {
53              return false;
54          }
55  
56          id = artifact.getGroupId() + ':' + id;
57  
58          if ( excludes.contains( id ) )
59          {
60              return false;
61          }
62  
63          return true;
64      }
65  
66      @Override
67      public int hashCode()
68      {
69          int hash = 17;
70          hash = hash * 31 + excludes.hashCode();
71          return hash;
72      }
73  
74      @Override
75      public boolean equals( Object obj )
76      {
77          if ( this == obj )
78          {
79              return true;
80          }
81          
82          if ( !( obj instanceof ExclusionSetFilter ) )
83          {
84              return false;
85          }
86          
87          ExclusionSetFilter other = (ExclusionSetFilter) obj;
88          
89          return excludes.equals( other.excludes );
90      }
91  }