graphite-digester-service/src/main/java/com/iflytop/gd/system/constants/DistanceUnit.java

package com.iflytop.gd.system.constants;

public enum DistanceUnit {
    MM, CM;

    public Integer toMM(Integer value) {
        if (this == MM) {
            return value;
        }

        if (this == CM) {
            return value * 10;
        }

        return value;
    }


    public static DistanceUnit toDistanceUnit(String unitString) {
        if ("mm".equals(unitString)) {
            return MM;
        }

        if ("cm".equals(unitString)) {
            return CM;
        }

        throw new IllegalArgumentException("Unknown distance unit " + unitString);
    }
}