001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.codec.language;
019
020import org.apache.commons.codec.EncoderException;
021import org.apache.commons.codec.StringEncoder;
022
023/**
024 * Encodes a string into a Caverphone 2.0 value. Delegate to a {@link Caverphone2} instance.
025 *
026 * This is an algorithm created by the Caversham Project at the University of Otago. It implements the Caverphone 2.0
027 * algorithm:
028 *
029 * @see <a href="https://en.wikipedia.org/wiki/Caverphone">Wikipedia - Caverphone</a>
030 * @see <a href="https://caversham.otago.ac.nz/files/working/ctp150804.pdf">Caverphone 2.0 specification</a>
031 * @since 1.4
032 * @deprecated 1.5 Replaced by {@link Caverphone2}, will be removed in 2.0.
033 */
034@Deprecated
035public class Caverphone implements StringEncoder {
036
037    /**
038     * Delegate to a {@link Caverphone2} instance to avoid code duplication.
039     */
040    final private Caverphone2 encoder = new Caverphone2();
041
042    /**
043     * Encodes the given String into a Caverphone value.
044     *
045     * @param source
046     *            String the source string
047     * @return A caverphone code for the given String
048     */
049    public String caverphone(final String source) {
050        return this.encoder.encode(source);
051    }
052
053    /**
054     * Encodes an Object using the caverphone algorithm. This method is provided in order to satisfy the requirements of
055     * the Encoder interface, and will throw an EncoderException if the supplied object is not of type {@link String}.
056     *
057     * @param obj
058     *            Object to encode
059     * @return An object (or type {@link String}) containing the caverphone code which corresponds to the String
060     *         supplied.
061     * @throws EncoderException
062     *             if the parameter supplied is not of type {@link String}.
063     */
064    @Override
065    public Object encode(final Object obj) throws EncoderException {
066        if (!(obj instanceof String)) {
067            throw new EncoderException("Parameter supplied to Caverphone encode is not of type java.lang.String");
068        }
069        return caverphone((String) obj);
070    }
071
072    /**
073     * Encodes a String using the Caverphone algorithm.
074     *
075     * @param str
076     *            String object to encode
077     * @return The caverphone code corresponding to the String supplied
078     */
079    @Override
080    public String encode(final String str) {
081        return caverphone(str);
082    }
083
084    /**
085     * Tests if the caverphones of two strings are identical.
086     *
087     * @param str1
088     *            First of two strings to compare
089     * @param str2
090     *            Second of two strings to compare
091     * @return {@code true} if the caverphones of these strings are identical, {@code false} otherwise.
092     */
093    public boolean isCaverphoneEqual(final String str1, final String str2) {
094        return caverphone(str1).equals(caverphone(str2));
095    }
096
097}