/*******************************************************************************
* Copyright (c) 2012 Research Group for Industrial Software (INSO), Vienna University of Technology.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Research Group for Industrial Software (INSO), Vienna University of Technology - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.versions.tasks.mapper.internal;
import java.io.Reader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.KeywordAnalyzer;
import org.apache.lucene.analysis.PerFieldAnalyzerWrapper;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.util.Version;
/**
*
* @author Kilian Matt
*
*/
public class ChangeSetAnalyzer {
public static Analyzer get() {
PerFieldAnalyzerWrapper analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(Version.LUCENE_CURRENT));
analyzer.addAnalyzer(IndexedFields.REPOSITORY.getIndexKey(), new KeywordAnalyzer());
analyzer.addAnalyzer(IndexedFields.COMMIT_MESSAGE.getIndexKey(), new Analyzer() {
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
WhitespaceAnalyzer delegate =new WhitespaceAnalyzer();
TokenStream tokenStream = delegate.tokenStream(fieldName, reader);
BracketFilter filteredStream = new BracketFilter(tokenStream);
return filteredStream;
}
});
return analyzer;
}
}