package com.canrd.webmagic.common.exception; import org.springframework.util.StringUtils; /** * * @date 2018-11-23 */ public class EntityExistException extends RuntimeException { public EntityExistException(Class clazz, String field, String val) { super(EntityExistException.generateMessage(clazz.getSimpleName(), field, val)); } private static String generateMessage(String entity, String field, String val) { return StringUtils.capitalize(entity) + " with " + field + " " + val + " existed"; } }