SpringBoot—whether the enumeration class attribute value contains judgment

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need

  In some checks, it is necessary to judge whether a value is included in the enumeration attribute value. The enumeration attribute value includes the judgment function as summarized below.

template

@Slf4j
public class EnumOperateUtil {
    
    
    /**
     * 校验枚举，是否包含在枚举属性值中
     *
     * @param enumClass  枚举class
     * @param methodName 属性值调用方法名称
     * @param value      目标属性值
     * @return
     */
    public static boolean validInclude(Class enumClass, String methodName, String value) {
    
    
        //获取枚举list
        List enumList = EnumUtils.getEnumList(enumClass);
        //循环处理
        for (int i = 0; i < enumList.size(); i++) {
    
    
            //获取枚举
            Object en = enumList.get(i);
            //获取枚举的class
            Class<?> eClass = en.getClass();
            try {
    
    
                //反射获取方法
                Method method = eClass.getMethod(methodName);
                //调用枚举方法
                Object invokeRes = method.invoke(en, null);
                //获取方法调用结果，即属性值，判断
                if (invokeRes.toString().equals(value)) {
    
    
                    //相同返回true
                    return true;
                }
            } catch (Exception e) {
    
    
                //异常处理
                log.error("枚举{}方法执行失败！{}", methodName, e.getMessage());
            }
        }
        //不同或异常则返回false
        return false;
    }
}

example

enumerate

public enum DemoEnum {
    
    
    RED("1", "红色"),
    GREEN("2", "绿色"),
    YELLOW("3", "黄色");
    /**
     * 编码
     */
    private String code;
    /**
     * 名称
     */
    private String name;
    DemoEnum(String name, String code) {
    
    
        this.name = name;
        this.code = code;
    }

    /**
     * getName
     *
     * @return
     */
    public String getName() {
    
    
        return name;
    }

    /**
     * getCode
     *
     * @return
     */
    public String getCode() {
    
    
        return code;
    }

}

use

String colourCode = "2";
Boolean includeOperateType = EnumOperateUtil.validInclude(DemoEnum.class, "getCode", colourCode);