001package org.apache.maven.artifact.resolver.filter; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.maven.artifact.Artifact; 023 024public class InversionArtifactFilter 025 implements ArtifactFilter 026{ 027 private final ArtifactFilter toInvert; 028 029 public InversionArtifactFilter( ArtifactFilter toInvert ) 030 { 031 this.toInvert = toInvert; 032 } 033 034 public boolean include( Artifact artifact ) 035 { 036 return !toInvert.include( artifact ); 037 } 038 039 @Override 040 public int hashCode() 041 { 042 int hash = 17; 043 hash = hash * 31 + toInvert.hashCode(); 044 return hash; 045 } 046 047 @Override 048 public boolean equals( Object obj ) 049 { 050 if ( this == obj ) 051 { 052 return true; 053 } 054 055 if ( !( obj instanceof InversionArtifactFilter ) ) 056 { 057 return false; 058 } 059 060 InversionArtifactFilter other = (InversionArtifactFilter) obj; 061 062 return toInvert.equals( other.toInvert ); 063 } 064 065}