pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / analyzers / common / src / java / org / apache / lucene / analysis / el / GreekAnalyzer.java

diff --git a/lucene-java-3.4.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/el/GreekAnalyzer.java b/lucene-java-3.4.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/el/GreekAnalyzer.java
deleted file mode 100644 (file)
index 306f309..0000000
--- a/lucene-java-3.4.0/lucene/contrib/analyzers/common/src/java/org/apache/lucene/analysis/el/GreekAnalyzer.java
+++ /dev/null
@@ -1,144 +0,0 @@
-package org.apache.lucene.analysis.el;
-
-/**
- * Copyright 2005 The Apache Software Foundation
- *
- * Licensed 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 org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.StopFilter;
-import org.apache.lucene.analysis.StopwordAnalyzerBase;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.Tokenizer;
-import org.apache.lucene.analysis.standard.StandardFilter;
-import org.apache.lucene.analysis.standard.StandardTokenizer;
-import org.apache.lucene.analysis.standard.StandardAnalyzer;  // for javadoc
-import org.apache.lucene.util.Version;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * {@link Analyzer} for the Greek language. 
- * <p>
- * Supports an external list of stopwords (words
- * that will not be indexed at all).
- * A default set of stopwords is used unless an alternative list is specified.
- * </p>
- *
- * <a name="version"/>
- * <p>You must specify the required {@link Version}
- * compatibility when creating GreekAnalyzer:
- * <ul>
- *   <li> As of 3.1, StandardFilter and GreekStemmer are used by default.
- *   <li> As of 2.9, StopFilter preserves position
- *        increments
- * </ul>
- * 
- * <p><b>NOTE</b>: This class uses the same {@link Version}
- * dependent settings as {@link StandardAnalyzer}.</p>
- */
-public final class GreekAnalyzer extends StopwordAnalyzerBase {
-  /** File containing default Greek stopwords. */
-  public final static String DEFAULT_STOPWORD_FILE = "stopwords.txt";
-  
-  /**
-   * Returns a set of default Greek-stopwords 
-   * @return a set of default Greek-stopwords 
-   */
-  public static final Set<?> getDefaultStopSet(){
-    return DefaultSetHolder.DEFAULT_SET;
-  }
-  
-  private static class DefaultSetHolder {
-    private static final Set<?> DEFAULT_SET;
-    
-    static {
-      try {
-        DEFAULT_SET = loadStopwordSet(false, GreekAnalyzer.class, DEFAULT_STOPWORD_FILE, "#");
-      } catch (IOException ex) {
-        // default set should always be present as it is part of the
-        // distribution (JAR)
-        throw new RuntimeException("Unable to load default stopword set");
-      }
-    }
-  }
-  
-  /**
-   * Builds an analyzer with the default stop words.
-   * @param matchVersion Lucene compatibility version,
-   *   See <a href="#version">above</a>
-   */
-  public GreekAnalyzer(Version matchVersion) {
-    this(matchVersion, DefaultSetHolder.DEFAULT_SET);
-  }
-  
-  /**
-   * Builds an analyzer with the given stop words. 
-   * <p>
-   * <b>NOTE:</b> The stopwords set should be pre-processed with the logic of 
-   * {@link GreekLowerCaseFilter} for best results.
-   *  
-   * @param matchVersion Lucene compatibility version,
-   *   See <a href="#version">above</a>
-   * @param stopwords a stopword set
-   */
-  public GreekAnalyzer(Version matchVersion, Set<?> stopwords) {
-    super(matchVersion, stopwords);
-  }
-  
-  /**
-   * Builds an analyzer with the given stop words.
-   * @param stopwords Array of stopwords to use.
-   * @deprecated use {@link #GreekAnalyzer(Version, Set)} instead
-   */
-  @Deprecated
-  public GreekAnalyzer(Version matchVersion, String... stopwords) {
-    this(matchVersion, StopFilter.makeStopSet(matchVersion, stopwords));
-  }
-  
-  /**
-   * Builds an analyzer with the given stop words.
-   * @deprecated use {@link #GreekAnalyzer(Version, Set)} instead
-   */
-  @Deprecated
-  public GreekAnalyzer(Version matchVersion, Map<?,?> stopwords) {
-    this(matchVersion, stopwords.keySet());
-  }
-  
-  /**
-   * 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 StandardTokenizer} filtered with
-   *         {@link GreekLowerCaseFilter}, {@link StandardFilter},
-   *         {@link StopFilter}, and {@link GreekStemFilter}
-   */
-  @Override
-  protected TokenStreamComponents createComponents(String fieldName,
-      Reader reader) {
-    final Tokenizer source = new StandardTokenizer(matchVersion, reader);
-    TokenStream result = new GreekLowerCaseFilter(matchVersion, source);
-    if (matchVersion.onOrAfter(Version.LUCENE_31))
-      result = new StandardFilter(matchVersion, result);
-    result = new StopFilter(matchVersion, result, stopwords);
-    if (matchVersion.onOrAfter(Version.LUCENE_31))
-      result = new GreekStemFilter(result);
-    return new TokenStreamComponents(source, result);
-  }
-}