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.ArrayList; 023import java.util.Iterator; 024import java.util.LinkedHashSet; 025import java.util.List; 026import java.util.Set; 027 028import org.apache.maven.artifact.Artifact; 029 030/** 031 * Filter to include from a list of artifact patterns. 032 * 033 * @author <a href="mailto:brett@apache.org">Brett Porter</a> 034 */ 035public class IncludesArtifactFilter 036 implements ArtifactFilter 037{ 038 private final Set<String> patterns; 039 040 public IncludesArtifactFilter( List<String> patterns ) 041 { 042 this.patterns = new LinkedHashSet<String>( patterns ); 043 } 044 045 public boolean include( Artifact artifact ) 046 { 047 String id = artifact.getGroupId() + ":" + artifact.getArtifactId(); 048 049 boolean matched = false; 050 for ( Iterator<String> i = patterns.iterator(); i.hasNext() & !matched; ) 051 { 052 // TODO: what about wildcards? Just specifying groups? versions? 053 if ( id.equals( i.next() ) ) 054 { 055 matched = true; 056 } 057 } 058 return matched; 059 } 060 061 public List<String> getPatterns() 062 { 063 return new ArrayList<String>( patterns ); 064 } 065 066 @Override 067 public int hashCode() 068 { 069 int hash = 17; 070 hash = hash * 31 + patterns.hashCode(); 071 072 return hash; 073 } 074 075 @Override 076 public boolean equals( Object obj ) 077 { 078 if ( this == obj ) 079 { 080 return true; 081 } 082 083 // make sure IncludesArtifactFilter is not equal ExcludesArtifactFilter! 084 if ( obj == null || getClass() != obj.getClass() ) 085 { 086 return false; 087 } 088 089 IncludesArtifactFilter other = (IncludesArtifactFilter) obj; 090 091 return patterns.equals( other.patterns ); 092 } 093}