package org.aksw.agdistis.util; import java.io.Reader; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.Tokenizer; import org.apache.lucene.analysis.core.LowerCaseTokenizer; import org.apache.lucene.analysis.core.SimpleAnalyzer; import org.apache.lucene.analysis.miscellaneous.ASCIIFoldingFilter; import org.apache.lucene.util.Version; public class LiteralAnalyzer extends Analyzer { private final Version matchVersion; /** * Creates a new {@link SimpleAnalyzer} * * @param matchVersion * Lucene version to match See * {@link <a href="#version">above</a>} */ public LiteralAnalyzer(Version matchVersion) { this.matchVersion = matchVersion; } @Override protected TokenStreamComponents createComponents(final String fieldName, final Reader reader) { final Tokenizer source = new LowerCaseTokenizer(matchVersion, reader); return new TokenStreamComponents(source, new ASCIIFoldingFilter(source)); } }