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
24 /**
25 * InversionArtifactFilter
26 */
27 public class InversionArtifactFilter
28 implements ArtifactFilter
29 {
30 private final ArtifactFilter toInvert;
31
32 public InversionArtifactFilter( ArtifactFilter toInvert )
33 {
34 this.toInvert = toInvert;
35 }
36
37 public boolean include( Artifact artifact )
38 {
39 return !toInvert.include( artifact );
40 }
41
42 @Override
43 public int hashCode()
44 {
45 int hash = 17;
46 hash = hash * 31 + toInvert.hashCode();
47 return hash;
48 }
49
50 @Override
51 public boolean equals( Object obj )
52 {
53 if ( this == obj )
54 {
55 return true;
56 }
57
58 if ( !( obj instanceof InversionArtifactFilter ) )
59 {
60 return false;
61 }
62
63 InversionArtifactFilter other = (InversionArtifactFilter) obj;
64
65 return toInvert.equals( other.toInvert );
66 }
67
68 }