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annotate src/goodjava/lucene/analysis/LowercaseAnalyzer.java @ 1802:ca98dee04e08 default tip

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add Parsers.json_null
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Apr 2024 21:25:15 -0600
parents 13cbce740e1e
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1 package goodjava.lucene.analysis;
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2
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3 import java.io.Reader;
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4 import org.apache.lucene.util.Version;
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5 import org.apache.lucene.analysis.Analyzer;
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6 import org.apache.lucene.analysis.Tokenizer;
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7 import org.apache.lucene.analysis.TokenStream;
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8 import org.apache.lucene.analysis.core.KeywordTokenizer;
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9 import org.apache.lucene.analysis.core.LowerCaseFilter;
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12 public final class LowercaseAnalyzer extends Analyzer {
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13 private final Version matchVersion;
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14
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15 public LowercaseAnalyzer(Version matchVersion) {
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16 this.matchVersion = matchVersion;
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17 }
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18
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19 protected TokenStreamComponents createComponents( String fieldName, Reader reader ) {
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20 Tokenizer source = new KeywordTokenizer(reader);
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21 TokenStream filter = new LowerCaseFilter(matchVersion,source);
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22 return new TokenStreamComponents(source,filter);
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23 }
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24 }