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.ArrayList;
23 import java.util.Iterator;
24 import java.util.LinkedHashSet;
25 import java.util.List;
26 import java.util.Set;
27
28 import org.apache.maven.artifact.Artifact;
29
30 /**
31 * Filter to include from a list of artifact patterns.
32 *
33 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
34 */
35 public class IncludesArtifactFilter
36 implements ArtifactFilter
37 {
38 private final Set<String> patterns;
39
40 public IncludesArtifactFilter( List<String> patterns )
41 {
42 this.patterns = new LinkedHashSet<>( patterns );
43 }
44
45 public boolean include( Artifact artifact )
46 {
47 String id = artifact.getGroupId() + ":" + artifact.getArtifactId();
48
49 boolean matched = false;
50 for ( Iterator<String> i = patterns.iterator(); i.hasNext() & !matched; )
51 {
52 // TODO what about wildcards? Just specifying groups? versions?
53 if ( id.equals( i.next() ) )
54 {
55 matched = true;
56 }
57 }
58 return matched;
59 }
60
61 public List<String> getPatterns()
62 {
63 return new ArrayList<>( patterns );
64 }
65
66 @Override
67 public int hashCode()
68 {
69 int hash = 17;
70 hash = hash * 31 + patterns.hashCode();
71
72 return hash;
73 }
74
75 @Override
76 public boolean equals( Object obj )
77 {
78 if ( this == obj )
79 {
80 return true;
81 }
82
83 // make sure IncludesArtifactFilter is not equal ExcludesArtifactFilter!
84 if ( obj == null || getClass() != obj.getClass() )
85 {
86 return false;
87 }
88
89 IncludesArtifactFilter other = (IncludesArtifactFilter) obj;
90
91 return patterns.equals( other.patterns );
92 }
93 }