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