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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 org.apache.maven.artifact.Artifact;
23  import org.apache.maven.model.Exclusion;
24  
25  import java.util.List;
26  
27  /**
28   * Filter to exclude from a list of artifact patterns.
29   */
30  public class ExclusionArtifactFilter implements ArtifactFilter
31  {
32      private static final String WILDCARD = "*";
33  
34      private final List<Exclusion> exclusions;
35  
36      public ExclusionArtifactFilter( List<Exclusion> exclusions )
37      {
38          this.exclusions = exclusions;
39      }
40  
41      @Override
42      public boolean include( Artifact artifact )
43      {
44          for ( Exclusion exclusion : exclusions )
45          {
46              if ( WILDCARD.equals( exclusion.getGroupId() ) && WILDCARD.equals( exclusion.getArtifactId() ) )
47              {
48                  return false;
49              }
50              if ( WILDCARD.equals( exclusion.getGroupId() )
51                  && exclusion.getArtifactId().equals( artifact.getArtifactId() ) )
52              {
53                  return false;
54              }
55              if ( WILDCARD.equals( exclusion.getArtifactId() )
56                  && exclusion.getGroupId().equals( artifact.getGroupId() ) )
57              {
58                  return false;
59              }
60              if ( exclusion.getGroupId().equals( artifact.getGroupId() )
61                  && exclusion.getArtifactId().equals( artifact.getArtifactId() ) )
62              {
63                  return false;
64              }
65          }
66          return true;
67      }
68  }