pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / analysis / StopAnalyzer.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/StopAnalyzer.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/StopAnalyzer.java
deleted file mode 100644 (file)
index 387281a..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/analysis/StopAnalyzer.java
+++ /dev/null
@@ -1,109 +0,0 @@
-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.File;
-import java.io.IOException;
-import java.io.Reader;
-import java.util.Arrays;
-import java.util.Set;
-import java.util.List;
-
-import org.apache.lucene.util.Version;
-
-/** Filters {@link LetterTokenizer} with {@link LowerCaseFilter} and {@link StopFilter}.
- *
- * <a name="version"/>
- * <p>You must specify the required {@link Version}
- * compatibility when creating StopAnalyzer:
- * <ul>
- *    <li> As of 3.1, StopFilter correctly handles Unicode 4.0
- *         supplementary characters in stopwords
- *   <li> As of 2.9, position increments are preserved
- * </ul>
-*/
-
-public final class StopAnalyzer extends StopwordAnalyzerBase {
-  
-  /** An unmodifiable set containing some common English words that are not usually useful
-  for searching.*/
-  public static final Set<?> ENGLISH_STOP_WORDS_SET;
-  
-  static {
-    final List<String> stopWords = Arrays.asList(
-      "a", "an", "and", "are", "as", "at", "be", "but", "by",
-      "for", "if", "in", "into", "is", "it",
-      "no", "not", "of", "on", "or", "such",
-      "that", "the", "their", "then", "there", "these",
-      "they", "this", "to", "was", "will", "with"
-    );
-    final CharArraySet stopSet = new CharArraySet(Version.LUCENE_CURRENT, 
-        stopWords.size(), false);
-    stopSet.addAll(stopWords);  
-    ENGLISH_STOP_WORDS_SET = CharArraySet.unmodifiableSet(stopSet); 
-  }
-  
-  /** Builds an analyzer which removes words in
-   *  {@link #ENGLISH_STOP_WORDS_SET}.
-   * @param matchVersion See <a href="#version">above</a>
-   */
-  public StopAnalyzer(Version matchVersion) {
-    this(matchVersion, ENGLISH_STOP_WORDS_SET);
-  }
-
-  /** Builds an analyzer with the stop words from the given set.
-   * @param matchVersion See <a href="#version">above</a>
-   * @param stopWords Set of stop words */
-  public StopAnalyzer(Version matchVersion, Set<?> stopWords) {
-    super(matchVersion, stopWords);
-  }
-
-  /** Builds an analyzer with the stop words from the given file.
-   * @see WordlistLoader#getWordSet(File)
-   * @param matchVersion See <a href="#version">above</a>
-   * @param stopwordsFile File to load stop words from */
-  public StopAnalyzer(Version matchVersion, File stopwordsFile) throws IOException {
-    this(matchVersion, WordlistLoader.getWordSet(stopwordsFile));
-  }
-
-  /** Builds an analyzer with the stop words from the given reader.
-   * @see WordlistLoader#getWordSet(Reader)
-   * @param matchVersion See <a href="#version">above</a>
-   * @param stopwords Reader to load stop words from */
-  public StopAnalyzer(Version matchVersion, Reader stopwords) throws IOException {
-    this(matchVersion, WordlistLoader.getWordSet(stopwords));
-  }
-
-  /**
-   * Creates
-   * {@link org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents}
-   * used to tokenize all the text in the provided {@link Reader}.
-   * 
-   * @return {@link org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents}
-   *         built from a {@link LowerCaseTokenizer} filtered with
-   *         {@link StopFilter}
-   */
-  @Override
-  protected TokenStreamComponents createComponents(String fieldName,
-      Reader reader) {
-    final Tokenizer source = new LowerCaseTokenizer(matchVersion, reader);
-    return new TokenStreamComponents(source, new StopFilter(matchVersion,
-          source, stopwords));
-  }
-}
-