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.Arrays;
023import java.util.LinkedHashSet;
024import java.util.Set;
025
026import org.apache.maven.artifact.Artifact;
027
028/**
029 * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
030 */
031public class ExclusionSetFilter
032    implements ArtifactFilter
033{
034    private Set<String> excludes;
035
036    public ExclusionSetFilter( String[] excludes )
037    {
038        this.excludes = new LinkedHashSet<>( Arrays.asList( excludes ) );
039    }
040
041    public ExclusionSetFilter( Set<String> excludes )
042    {
043        this.excludes = excludes;
044    }
045
046    public boolean include( Artifact artifact )
047    {
048        String id = artifact.getArtifactId();
049
050        if ( excludes.contains( id ) )
051        {
052            return false;
053        }
054
055        id = artifact.getGroupId() + ':' + id;
056
057        return !excludes.contains( id );
058
059    }
060
061    @Override
062    public int hashCode()
063    {
064        int hash = 17;
065        hash = hash * 31 + excludes.hashCode();
066        return hash;
067    }
068
069    @Override
070    public boolean equals( Object obj )
071    {
072        if ( this == obj )
073        {
074            return true;
075        }
076
077        if ( !( obj instanceof ExclusionSetFilter ) )
078        {
079            return false;
080        }
081
082        ExclusionSetFilter other = (ExclusionSetFilter) obj;
083
084        return excludes.equals( other.excludes );
085    }
086}