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 java.util.Collection; 023import java.util.LinkedHashSet; 024import java.util.Set; 025 026import org.apache.maven.artifact.Artifact; 027 028/** 029 * Apply multiple filters, accepting an artifact if at least one of the filters accepts it. 030 * 031 * @author Benjamin Bentmann 032 */ 033public class OrArtifactFilter 034 implements ArtifactFilter 035{ 036 037 private Set<ArtifactFilter> filters; 038 039 public OrArtifactFilter() 040 { 041 this.filters = new LinkedHashSet<ArtifactFilter>(); 042 } 043 044 public OrArtifactFilter( Collection<ArtifactFilter> filters ) 045 { 046 this.filters = new LinkedHashSet<ArtifactFilter>( filters ); 047 } 048 049 public boolean include( Artifact artifact ) 050 { 051 for ( ArtifactFilter filter : filters ) 052 { 053 if ( filter.include( artifact ) ) 054 { 055 return true; 056 } 057 } 058 059 return false; 060 } 061 062 public void add( ArtifactFilter artifactFilter ) 063 { 064 filters.add( artifactFilter ); 065 } 066 067 @Override 068 public int hashCode() 069 { 070 int hash = 17; 071 hash = hash * 31 + filters.hashCode(); 072 return hash; 073 } 074 075 @Override 076 public boolean equals( Object obj ) 077 { 078 if ( this == obj ) 079 { 080 return true; 081 } 082 083 if ( !( obj instanceof OrArtifactFilter ) ) 084 { 085 return false; 086 } 087 088 OrArtifactFilter other = (OrArtifactFilter) obj; 089 090 return filters.equals( other.filters ); 091 } 092 093}