Enum使用

统一枚举的操作，枚举类实现该接口

import java.util.Arrays;
import java.util.Optional;

/**
 * 枚举操作接口
 * @author: yecao
 */
public interface EnumOperate {

    Integer getCode();

    String getDescription();

    /**
     * 根据枚举类型和code获取对应的枚举
     * @param c 枚举类型
     * @param code 枚举code
     * @param <T> T extends EnumOperate
     * @return 枚举值
     */
    static <T extends EnumOperate> T valueOfEnum(Class<T> c, int code) {
        EnumOperate[] enums = c.getEnumConstants();
        Optional<EnumOperate> optional = Arrays.stream(enums)
                .filter(baseCode -> baseCode.getCode().equals(code)).findAny();
        if (optional.isPresent()) {
            return (T) optional.get();
        }
        throw new IllegalArgumentException(String.format("[%s]没有对应枚举值: [%s]", c.getName(), code));
    }
}

/**
 *open api状态码维护
 * @author: yecao
 */
public enum OpenApiStatueCode implements EnumOperate {

    FORBIDDEN(403, "没有该open api 接口的请求权限"),

    COUNTRY_EXPIRED(401, "对该open api接口请求的权限已到期"),

    REQUEST_TIMEOUT(408, "X-Timestamp超时");

    private final Integer code;

    private final String description;

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

    @Override
    public Integer getCode() {
        return this.code;
    }

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