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The Apache Commons Codec component contains encoders and decoders for various formats such as Base16, Base32, Base64, digest, and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities. This is a port for GWT, which enables program, to use Apache Commons Codec also in the frontend compiled by the gwt compiler to java-script.

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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 2.0 value. Delegate to a {@link Caverphone2} instance.
 *
 * This is an algorithm created by the Caversham Project at the University of Otago. It implements the Caverphone 2.0
 * algorithm:
 *
 * @see Wikipedia - Caverphone
 * @see Caverphone 2.0 specification
 * @since 1.4
 * @deprecated 1.5 Replaced by {@link Caverphone2}, will be removed in 2.0.
 */
@Deprecated
public class Caverphone implements StringEncoder {

    /**
     * Delegate to a {@link Caverphone2} instance to avoid code duplication.
     */
    final private Caverphone2 encoder = new Caverphone2();

    /**
     * Creates an instance of the Caverphone encoder
     */
    public Caverphone() {
        super();
    }

    /**
     * Encodes the given String into a Caverphone value.
     *
     * @param source
     *            String the source string
     * @return A caverphone code for the given String
     */
    public String caverphone(final String source) {
        return this.encoder.encode(source);
    }

    /**
     * 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 java.lang.String.
     *
     * @param obj
     *            Object to encode
     * @return An object (or type java.lang.String) containing the caverphone code which corresponds to the String
     *         supplied.
     * @throws EncoderException
     *             if the parameter supplied is not of type java.lang.String
     */
    @Override
    public Object encode(final Object obj) throws EncoderException {
        if (!(obj instanceof String)) {
            throw new EncoderException("Parameter supplied to Caverphone encode is not of type java.lang.String");
        }
        return this.caverphone((String) obj);
    }

    /**
     * Encodes a String using the Caverphone algorithm.
     *
     * @param str
     *            String object to encode
     * @return The caverphone code corresponding to the String supplied
     */
    @Override
    public String encode(final String str) {
        return this.caverphone(str);
    }

    /**
     * Tests if the caverphones of two strings are identical.
     *
     * @param str1
     *            First of two strings to compare
     * @param str2
     *            Second of two strings to compare
     * @return {@code true} if the caverphones of these strings are identical, {@code false} otherwise.
     */
    public boolean isCaverphoneEqual(final String str1, final String str2) {
        return this.caverphone(str1).equals(this.caverphone(str2));
    }

}