org.apache.commons.codec.language.AbstractCaverphone Maven / Gradle / Ivy
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* 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.commons.codec.language;
import org.apache.commons.codec.EncoderException;
import org.apache.commons.codec.StringEncoder;
/**
* Encodes a string into a Caverphone value.
*
* This is an algorithm created by the Caversham Project at the University of Otago. It implements the Caverphone 2.0
* algorithm:
*
* This class is immutable and thread-safe.
*
* @see Wikipedia - Caverphone
* @since 1.5
*/
public abstract class AbstractCaverphone implements StringEncoder {
/**
* Encodes an Object using the caverphone algorithm. This method is provided in order to satisfy the requirements of
* the Encoder interface, and will throw an EncoderException if the supplied object is not of type {@link String}.
*
* @param source
* Object to encode
* @return An object (or type {@link String}) containing the caverphone code which corresponds to the String
* supplied.
* @throws EncoderException
* if the parameter supplied is not of type {@link String}.
*/
@Override
public Object encode(final Object source) throws EncoderException {
if (!(source instanceof String)) {
throw new EncoderException("Parameter supplied to Caverphone encode is not of type java.lang.String");
}
return this.encode((String) source);
}
/**
* Tests if the encodings of two strings are equal.
*
* This method might be promoted to a new AbstractStringEncoder superclass.
*
* @param str1
* First of two strings to compare
* @param str2
* Second of two strings to compare
* @return {@code true} if the encodings of these strings are identical, {@code false} otherwise.
* @throws EncoderException
* thrown if there is an error condition during the encoding process.
*/
public boolean isEncodeEqual(final String str1, final String str2) throws EncoderException {
return this.encode(str1).equals(this.encode(str2));
}
}