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Hibernate Search Analyzer Framework based on Apache Solr

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// original code from Apache Solr - ported to work with Lucene 3.x and reformatted to Search coding style
/**
 * 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.solr.analysis;

import java.io.Reader;
import java.util.Map;

import org.apache.lucene.analysis.ru.RussianLetterTokenizer;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;

/**
 * @deprecated Use {@link StandardTokenizerFactory} instead.
 *             This tokenizer has no Russian-specific functionality.
 */
@Deprecated
public class RussianLetterTokenizerFactory extends BaseTokenizerFactory {

	@Override
	public void init(Map args) {
		super.init( args );
		if ( args.containsKey( "charset" ) ) {
			throw new SolrException(
					ErrorCode.SERVER_ERROR,
					"The charset parameter is no longer supported.  "
							+ "Please process your documents as Unicode instead."
			);
		}
	}

	public RussianLetterTokenizer create(Reader in) {
		assureMatchVersion();
		return new RussianLetterTokenizer( in );
	}
}