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Collection of enums and other structures unifying Onix2 and Onix3 models

There is a newer version: 2024-10-onix308

/*
 * Copyright (C) 2012-2023 Zach Melamed
 *
 * Latest version available online at https://github.com/zach-m/jonix
 * Contact me at [email protected]
 *
 * 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 com.tectonica.jonix.common.codelist;

import com.tectonica.jonix.common.OnixCodelist;

import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

/*
 * NOTE: THIS IS AN AUTO-GENERATED FILE, DO NOT EDIT MANUALLY
 */

/**
 * marker interface to assist in IDE navigation to code-list 50 (Measure unit)
 */
interface CodeList50 {
}

/**
 * Enum that corresponds to ONIX Codelist 50
 * 
 * Description: Measure unit
 *
 * @see About ONIX Codelists
 * @see ONIX
 *      Codelist 50 in Reference Guide
 */
public enum MeasureUnits implements OnixCodelist, CodeList50 {
    /**
     * Millimeters are the preferred metric unit of length
     */
    Centimeters("cm", "Centimeters"),

    Grams("gr", "Grams"),

    Inches_US("in", "Inches (US)"),

    /**
     * Grams are the preferred metric unit of weight
     */
    Kilograms("kg", "Kilograms"),

    Pounds_US("lb", "Pounds (US)"),

    Millimeters("mm", "Millimeters"),

    Ounces_US("oz", "Ounces (US)"),

    Pixels("px", "Pixels");

    public final String code;
    public final String description;

    MeasureUnits(String code, String description) {
        this.code = code;
        this.description = description;
    }

    @Override
    public String getCode() {
        return code;
    }

    @Override
    public String getDescription() {
        return description;
    }

    private static volatile Map map;

    private static Map map() {
        Map result = map;
        if (result == null) {
            synchronized (MeasureUnits.class) {
                result = map;
                if (result == null) {
                    result = new HashMap<>();
                    for (MeasureUnits e : values()) {
                        result.put(e.code, e);
                    }
                    map = result;
                }
            }
        }
        return result;
    }

    public static MeasureUnits byCode(String code) {
        if (code == null || code.isEmpty()) {
            return null;
        }
        return map().get(code);
    }

    public static Optional byCodeOptional(String code) {
        return Optional.ofNullable(byCode(code));
    }

    public static String codeToDesciption(String code) {
        return byCodeOptional(code).map(c -> c.description).orElse(null);
    }
}