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package com.intters.enums;

import java.util.ArrayList;
import java.util.List;

/**
 * 枚举工具类
 *
 * @author Ruison
 * @date 2018/7/14.
 */
public class EnumUtil {

    /**
     * 枚举类中所有枚举对象的name列表
     *
     * @param clazz 枚举类
     * @return name列表
     */
    public static List getNames(Class> clazz) {
        final Enum[] enums = clazz.getEnumConstants();
        if (null == enums) {
            return null;
        }
        final List list = new ArrayList<>(enums.length);
        for (Enum e : enums) {
            list.add(e.name());
        }
        return list;
    }

    /**
     * 根据code获取枚举
     *
     * @param code      int值
     * @param enumClass 枚举
     * @param        泛型
     * @return 枚举
     */
    public static  T getByCode(Integer code, Class enumClass) {
        for (T each : enumClass.getEnumConstants()) {
            if (code.equals(each.getCode())) {
                return each;
            }
        }
        return null;
    }

    /**
     * 根据msg获取枚举
     *
     * @param msg       String值
     * @param enumClass 枚举
     * @param        泛型
     * @return 枚举
     */
    public static  T getByMsg(String msg, Class enumClass) {
        for (T each : enumClass.getEnumConstants()) {
            if (msg.equals(each.getMsg())) {
                return each;
            }
        }
        return null;
    }


}