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/*
 *
 *       Copyright 2015 Jonathan Shook
 *
 *   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 io.virtdata.libbasics.shared.from_long.to_string;

import io.virtdata.annotations.ThreadSafeMapper;
import uk.ydubey.formatter.numtoword.NumberInWordsFormatter;

import java.util.function.LongFunction;

/**
 * Provides the spelled-out name of a number. For example,
 * an input of 7 would yield "seven". An input of 4234
 * yields the value "four thousand thirty four".
 * The maximum value is limited at 999,999,999.
 */
@ThreadSafeMapper
public class NumberNameToString implements LongFunction {

    private final NumberInWordsFormatter formatter = NumberInWordsFormatter.getInstance();

    @Override
    public String apply(long input) {
        if (input==0L) {
            return "zero";
        }
        String result = formatter.format((int) input % Integer.MAX_VALUE);
        return result;
    }

}




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