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Lucene example source code file (WhitespaceAnalyzer.java)

This example Lucene source code file (WhitespaceAnalyzer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

deprecated, io, override, reader, reader, reusableanalyzerbase, reusableanalyzerbase, string, tokenstreamcomponents, tokenstreamcomponents, version, whitespaceanalyzer, whitespaceanalyzer, whitespacetokenizer

The Lucene WhitespaceAnalyzer.java source code

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,
 * 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 Analyzer that uses {@link WhitespaceTokenizer}.
 * <p>
 * <a name="version">You must specify the required {@link Version} compatibility
 * when creating {@link CharTokenizer}:
 * <ul>
 * <li>As of 3.1, {@link WhitespaceTokenizer} 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 WhitespaceAnalyzer extends ReusableAnalyzerBase {
  private final Version matchVersion;
   * Creates a new {@link WhitespaceAnalyzer}
   * @param matchVersion Lucene version to match See {@link <a href="#version">above}
  public WhitespaceAnalyzer(Version matchVersion) {
    this.matchVersion = matchVersion;
   * Creates a new {@link WhitespaceAnalyzer}
   * @deprecated use {@link #WhitespaceAnalyzer(Version)} instead 
  public WhitespaceAnalyzer() {
  protected TokenStreamComponents createComponents(final String fieldName,
      final Reader reader) {
    return new TokenStreamComponents(new WhitespaceTokenizer(matchVersion, reader));

Other Lucene examples (source code examples)

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