/*
* 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.
*/
package org.apache.lucene.analysis.no;
import java.util.Map;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.util.TokenFilterFactory;
import static org.apache.lucene.analysis.no.NorwegianLightStemmer.BOKMAAL;
import static org.apache.lucene.analysis.no.NorwegianLightStemmer.NYNORSK;
Factory for NorwegianLightStemFilter
. <fieldType name="text_svlgtstem" class="solr.TextField" positionIncrementGap="100">
<analyzer>
<tokenizer class="solr.StandardTokenizerFactory"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.NorwegianLightStemFilterFactory" variant="nb"/>
</analyzer>
</fieldType>
Since: 3.6.0 @lucene.spi "norwegianLightStem"
/**
* Factory for {@link NorwegianLightStemFilter}.
* <pre class="prettyprint">
* <fieldType name="text_svlgtstem" class="solr.TextField" positionIncrementGap="100">
* <analyzer>
* <tokenizer class="solr.StandardTokenizerFactory"/>
* <filter class="solr.LowerCaseFilterFactory"/>
* <filter class="solr.NorwegianLightStemFilterFactory" variant="nb"/>
* </analyzer>
* </fieldType></pre>
* @since 3.6.0
* @lucene.spi {@value #NAME}
*/
public class NorwegianLightStemFilterFactory extends TokenFilterFactory {
SPI name /** SPI name */
public static final String NAME = "norwegianLightStem";
private final int flags;
Creates a new NorwegianLightStemFilterFactory /** Creates a new NorwegianLightStemFilterFactory */
public NorwegianLightStemFilterFactory(Map<String,String> args) {
super(args);
String variant = get(args, "variant");
if (variant == null || "nb".equals(variant)) {
flags = BOKMAAL;
} else if ("nn".equals(variant)) {
flags = NYNORSK;
} else if ("no".equals(variant)) {
flags = BOKMAAL | NYNORSK;
} else {
throw new IllegalArgumentException("invalid variant: " + variant);
}
if (!args.isEmpty()) {
throw new IllegalArgumentException("Unknown parameters: " + args);
}
}
@Override
public TokenStream create(TokenStream input) {
return new NorwegianLightStemFilter(input, flags);
}
}