content: package org.apache.lucene.analysis;
  
  /**
   * 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 java.io.Reader;
  
  import org.apache.lucene.util.Version;
  
  /** An {@link Analyzer} that filters {@link LetterTokenizer} 
   *  with {@link LowerCaseFilter} 
   * <p>
   * <a name="version">You must specify the required {@link Version} compatibility
   * when creating {@link CharTokenizer}:
   * <ul>
   * <li>As of 3.1, {@link LowerCaseTokenizer} uses an int based API to normalize and
   * detect token codepoints. See {@link CharTokenizer#isTokenChar(int)} and
   * {@link CharTokenizer#normalize(int)} for details.</li>
   * </ul>
   * <p>
   **/
  public final class SimpleAnalyzer extends ReusableAnalyzerBase {
  
    private final Version matchVersion;
    
    /**
     * Creates a new {@link SimpleAnalyzer}
     * @param matchVersion Lucene version to match See {@link <a href="#version">above</a>}
     */
    public SimpleAnalyzer(Version matchVersion) {
      this.matchVersion = matchVersion;
    }
    
    /**
     * Creates a new {@link SimpleAnalyzer}
     * @deprecated use {@link #SimpleAnalyzer(Version)} instead 
     */
    @Deprecated  public SimpleAnalyzer() {
      this(Version.LUCENE_30);
    }
    @Override
    protected TokenStreamComponents createComponents(final String fieldName,
        final Reader reader) {
      return new TokenStreamComponents(new LowerCaseTokenizer(matchVersion, reader));
    }
  }
  