/*
* Copyright (c) 2010-2015 Evolveum
*
* 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 com.evolveum.midpoint.prism.polystring;
import java.text.Normalizer;
import org.apache.commons.lang.StringUtils;
/**
* @author semancik
*
*/
public class PrismDefaultPolyStringNormalizer implements PolyStringNormalizer {
/* (non-Javadoc)
* @see com.evolveum.midpoint.prism.polystring.PolyStringNormalizer#normalize(java.lang.String)
*/
@Override
public String normalize(String orig) {
if (orig == null) {
return null;
}
String s = StringUtils.trim(orig);
s = Normalizer.normalize(s, Normalizer.Form.NFKD);
s = s.replaceAll("[^\\w\\s\\d]", "");
s = s.replaceAll("\\s+", " ");
if (StringUtils.isBlank(s)) {
s = "";
}
return StringUtils.lowerCase(s);
}
}