001    package org.apache.archiva.indexer.search;
002    /*
003     * Licensed to the Apache Software Foundation (ASF) under one
004     * or more contributor license agreements.  See the NOTICE file
005     * distributed with this work for additional information
006     * regarding copyright ownership.  The ASF licenses this file
007     * to you under the Apache License, Version 2.0 (the
008     * "License"); you may not use this file except in compliance
009     * with the License.  You may obtain a copy of the License at
010     *
011     *   http://www.apache.org/licenses/LICENSE-2.0
012     *
013     * Unless required by applicable law or agreed to in writing,
014     * software distributed under the License is distributed on an
015     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016     * KIND, either express or implied.  See the License for the
017     * specific language governing permissions and limitations
018     * under the License.
019     */
020    
021    import org.apache.commons.lang.StringUtils;
022    import org.apache.maven.index.ArtifactInfo;
023    
024    import java.util.Arrays;
025    import java.util.List;
026    import java.util.Map;
027    
028    /**
029     * @author Olivier Lamy
030     */
031    public class NoClassifierArtifactInfoFilter
032        implements ArtifactInfoFilter
033    {
034        public static final NoClassifierArtifactInfoFilter INSTANCE = new NoClassifierArtifactInfoFilter();
035    
036        public static final List<? extends ArtifactInfoFilter> LIST = Arrays.asList( INSTANCE );
037    
038        public boolean addArtifactInResult( ArtifactInfo artifact, Map<String, SearchResultHit> currentResult )
039        {
040            return StringUtils.isBlank( artifact.classifier );
041        }
042    }