/*
* Copyright 2015 JBoss, by Red Hat, Inc
*
* Licensed 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.uberfire.ext.metadata.backend.lucene.analyzer;
import org.apache.lucene.analysis.util.CharTokenizer;
import org.apache.lucene.util.AttributeFactory;
public class LowerCaseTokenizer extends CharTokenizer {
public LowerCaseTokenizer() {
super();
}
public LowerCaseTokenizer(AttributeFactory factory) {
super(factory);
}
@Override
protected boolean isTokenChar(int c) {
return true;
}
/**
* Converts char to lower case
* {@link Character#toLowerCase(int)}.
*/
@Override
protected int normalize(int c) {
try {
return Character.toLowerCase(c);
} catch (Exception ex) {
return c;
}
}
}