--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/goodjava/lucene/analysis/LowercaseAnalyzer.java	Fri Apr 17 21:53:09 2020 -0600
@@ -0,0 +1,24 @@
+package goodjava.lucene.analysis;
+
+import java.io.Reader;
+import org.apache.lucene.util.Version;
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.Tokenizer;
+import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.analysis.core.KeywordTokenizer;
+import org.apache.lucene.analysis.core.LowerCaseFilter;
+
+
+public final class LowercaseAnalyzer extends Analyzer {
+	private final Version matchVersion;
+
+	public LowercaseAnalyzer(Version matchVersion) {
+		this.matchVersion = matchVersion;
+	}
+
+	protected TokenStreamComponents createComponents( String fieldName, Reader reader ) {
+		Tokenizer source = new KeywordTokenizer(reader);
+		TokenStream filter = new LowerCaseFilter(matchVersion,source);
+		return new TokenStreamComponents(source,filter);
+	}
+}