package org.apache.maven.archiva.indexer.hashcodes;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.LowerCaseFilter;
import org.apache.lucene.analysis.StopAnalyzer;
import org.apache.lucene.analysis.StopFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.maven.archiva.indexer.ArtifactKeys;
import org.apache.maven.archiva.indexer.lucene.analyzers.GroupIdTokenizer;
import org.apache.maven.archiva.indexer.lucene.analyzers.VersionTokenizer;
import java.io.Reader;
/**
* HashcodesAnalyzer
*
* @author <a href="mailto:joakime@apache.org">Joakim Erdfelt</a>
* @version $Id: HashcodesAnalyzer.java 562485 2007-08-03 14:44:15Z joakime $
*/
public class HashcodesAnalyzer extends Analyzer
{
private static final Analyzer STANDARD = new StandardAnalyzer();
public TokenStream tokenStream( String field, Reader reader )
{
TokenStream tokenStream = null;
if ( ArtifactKeys.GROUPID.equals( field ) )
{
tokenStream = new GroupIdTokenizer( reader );
}
else if ( ArtifactKeys.VERSION.equals( field ) )
{
tokenStream = new VersionTokenizer( reader );
}
else
{
tokenStream = STANDARD.tokenStream( field, reader );
}
return new LowerCaseFilter( new StopFilter( tokenStream, StopAnalyzer.ENGLISH_STOP_WORDS ) );
}
}