/**
* 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.util.HashMap;
import java.util.Map;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.el.GreekCharsets;
import org.apache.lucene.analysis.el.GreekLowerCaseFilter;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;
public class GreekLowerCaseFilterFactory extends BaseTokenFilterFactory
{
private static Map<String,char[]> CHARSETS = new HashMap<String,char[]>();
static {
CHARSETS.put("UnicodeGreek",GreekCharsets.UnicodeGreek);
CHARSETS.put("ISO",GreekCharsets.ISO);
CHARSETS.put("CP1253",GreekCharsets.CP1253);
}
private char[] charset = GreekCharsets.UnicodeGreek;
@Override
public void init(Map<String, String> args) {
super.init(args);
String charsetName = args.get("charset");
if (null != charsetName) charset = CHARSETS.get(charsetName);
if (null == charset) {
throw new SolrException(ErrorCode.SERVER_ERROR,
"Don't understand charset: " + charsetName);
}
}
public GreekLowerCaseFilter create(TokenStream in) {
return new GreekLowerCaseFilter(in,charset);
}
}