+++ /dev/null
-package org.apache.lucene.analysis.cz;
-
-import java.io.IOException;
-
-import org.apache.lucene.analysis.KeywordMarkerFilter;// for javadoc
-import org.apache.lucene.analysis.TokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.KeywordAttribute;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
-
-/**
- * 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.
- */
-
-/**
- * A {@link TokenFilter} that applies {@link CzechStemmer} to stem Czech words.
- * <p>
- * To prevent terms from being stemmed use an instance of
- * {@link KeywordMarkerFilter} or a custom {@link TokenFilter} that sets
- * the {@link KeywordAttribute} before this {@link TokenStream}.
- * </p>
- * <p><b>NOTE</b>: Input is expected to be in lowercase,
- * but with diacritical marks</p>
- * @see KeywordMarkerFilter
- */
-public final class CzechStemFilter extends TokenFilter {
- private final CzechStemmer stemmer = new CzechStemmer();
- private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
- private final KeywordAttribute keywordAttr = addAttribute(KeywordAttribute.class);
-
- public CzechStemFilter(TokenStream input) {
- super(input);
- }
-
- @Override
- public boolean incrementToken() throws IOException {
- if (input.incrementToken()) {
- if(!keywordAttr.isKeyword()) {
- final int newlen = stemmer.stem(termAtt.buffer(), termAtt.length());
- termAtt.setLength(newlen);
- }
- return true;
- } else {
- return false;
- }
- }
-}