/*
* 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.sr;
import java.util.Arrays;
import java.util.Map;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.util.AbstractAnalysisFactory;
import org.apache.lucene.analysis.util.MultiTermAwareComponent;
import org.apache.lucene.analysis.util.TokenFilterFactory;
/**
* Factory for {@link SerbianNormalizationFilter}.
* <pre class="prettyprint">
* <fieldType name="text_srnorm" class="solr.TextField" positionIncrementGap="100">
* <analyzer>
* <tokenizer class="solr.StandardTokenizerFactory"/>
* <filter class="solr.LowerCaseFilterFactory"/>
* <filter class="solr.SerbianNormalizationFilterFactory"
* haircut="bald"/>
* </analyzer>
* </fieldType></pre>
*/
public class SerbianNormalizationFilterFactory extends TokenFilterFactory implements MultiTermAwareComponent {
final String haircut;
/** Creates a new SerbianNormalizationFilterFactory */
public SerbianNormalizationFilterFactory(Map<String,String> args) {
super(args);
this.haircut = get(args, "haircut", Arrays.asList( "bald", "regular" ), "bald");
if (!args.isEmpty()) {
throw new IllegalArgumentException("Unknown parameters: " + args);
}
}
@Override
public TokenStream create(TokenStream input) {
if( this.haircut.equals( "regular" ) ) {
return new SerbianNormalizationRegularFilter(input);
} else {
return new SerbianNormalizationFilter(input);
}
}
@Override
public AbstractAnalysisFactory getMultiTermComponent() {
return this;
}
}