+++ /dev/null
-package org.apache.lucene.analysis.cjk;
-
-/**
- * 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 org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.CharArraySet;
-import org.apache.lucene.analysis.StopFilter;
-import org.apache.lucene.analysis.StopwordAnalyzerBase;
-import org.apache.lucene.analysis.Tokenizer;
-import org.apache.lucene.util.Version;
-
-import java.io.Reader;
-import java.util.Arrays;
-import java.util.Set;
-
-
-/**
- * An {@link Analyzer} that tokenizes text with {@link CJKTokenizer} and
- * filters with {@link StopFilter}
- *
- */
-public final class CJKAnalyzer extends StopwordAnalyzerBase {
- //~ Static fields/initializers ---------------------------------------------
-
- /**
- * An array containing some common English words that are not usually
- * useful for searching and some double-byte interpunctions.
- * @deprecated use {@link #getDefaultStopSet()} instead
- */
- @Deprecated
- public final static String[] STOP_WORDS = {
- "a", "and", "are", "as", "at", "be",
- "but", "by", "for", "if", "in",
- "into", "is", "it", "no", "not",
- "of", "on", "or", "s", "such", "t",
- "that", "the", "their", "then",
- "there", "these", "they", "this",
- "to", "was", "will", "with", "",
- "www"
- };
-
- //~ Instance fields --------------------------------------------------------
-
- /**
- * Returns an unmodifiable instance of the default stop-words set.
- * @return an unmodifiable instance of the default stop-words set.
- */
- public static Set<?> getDefaultStopSet(){
- return DefaultSetHolder.DEFAULT_STOP_SET;
- }
-
- private static class DefaultSetHolder {
- static final Set<?> DEFAULT_STOP_SET = CharArraySet
- .unmodifiableSet(new CharArraySet(Version.LUCENE_CURRENT, Arrays.asList(STOP_WORDS),
- false));
- }
-
- //~ Constructors -----------------------------------------------------------
-
- /**
- * Builds an analyzer which removes words in {@link #getDefaultStopSet()}.
- */
- public CJKAnalyzer(Version matchVersion) {
- this(matchVersion, DefaultSetHolder.DEFAULT_STOP_SET);
- }
-
- /**
- * Builds an analyzer with the given stop words
- *
- * @param matchVersion
- * lucene compatibility version
- * @param stopwords
- * a stopword set
- */
- public CJKAnalyzer(Version matchVersion, Set<?> stopwords){
- super(matchVersion, stopwords);
- }
-
- /**
- * Builds an analyzer which removes words in the provided array.
- *
- * @param stopWords stop word array
- * @deprecated use {@link #CJKAnalyzer(Version, Set)} instead
- */
- @Deprecated
- public CJKAnalyzer(Version matchVersion, String... stopWords) {
- super(matchVersion, StopFilter.makeStopSet(matchVersion, stopWords));
- }
-
- //~ Methods ----------------------------------------------------------------
-
- @Override
- protected TokenStreamComponents createComponents(String fieldName,
- Reader reader) {
- final Tokenizer source = new CJKTokenizer(reader);
- return new TokenStreamComponents(source, new StopFilter(matchVersion, source, stopwords));
- }
-}