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