org.simmetrics.simplifiers.ColognePhonetic Maven / Gradle / Ivy
/*
* #%L
* Simmetrics Core
* %%
* Copyright (C) 2014 - 2015 Simmetrics Authors
* %%
* 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
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* #L%
*/
package org.simmetrics.simplifiers;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Encodes a string into a Cologne Phonetic value.
*
* Implements the Kölner
* Phonetik (Cologne Phonetic) algorithm issued by Hans Joachim Postel in
* 1969.
*
* The Kölner Phonetik is a phonetic algorithm which is optimized
* for the German language. It is related to the well-known soundex algorithm.
*
* This class is immutable and thread-safe.
*
* @see org.apache.commons.codec.language.ColognePhonetic
*/
public final class ColognePhonetic implements Simplifier {
private final org.apache.commons.codec.language.ColognePhonetic simplifier = new org.apache.commons.codec.language.ColognePhonetic();
@Override
public String simplify(String input) {
checkNotNull(input);
return simplifier.encode(input);
}
@Override
public String toString() {
return "ColognePhonetic";
}
}