java enum類型 構造函數

import com.sskj.tools.StringUtils;
import lombok.Getter;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public enum Language {
        fan("fan", "cht", "", "繁體中文"),
        en("en", "en", "en", "英文"),
        kor("kor", "kor", "ko", "韓文"),
        jp("jp", "jp", "ja", "日語");

        @Getter
        private String sysLanguage;
        @Getter
        private String baiduLanguage;
        @Getter
        private String youdaoLanguage;
        @Getter
        private String detail;

        Language(String sysLanguage, String baiduLanguage, String youdaoLanguage, String detail) {
            this.sysLanguage = sysLanguage;
            this.baiduLanguage = baiduLanguage;
            this.youdaoLanguage = youdaoLanguage;
            this.detail = detail;
        }

        public static String getBaiduLanguageKey(String sysLanguage) {
            return Arrays.stream(values()).filter(a -> StringUtils.equals(a.getSysLanguage(), sysLanguage)).findFirst().get().getBaiduLanguage();
        }

        public static String getYoudaoLanguageKey(String sysLanguage) {
            return Arrays.stream(values()).filter(a -> StringUtils.equals(a.getSysLanguage(), sysLanguage)).findFirst().get().getYoudaoLanguage();
        }

        public static List<String> getSysKey() {
            return Arrays.stream(values()).map(a -> a.getSysLanguage()).collect(Collectors.toList());
        }


    }