如何以编程方式配置bean验证？(How to configure bean validation programatically?)

 我想使用bean验证的代码： 
 
@Inject
private ValidatorFactory validatorFactory;
....

public Response create(@Context HttpServletRequest request) {
        ...
        Set<ConstraintViolation<UserDTO>> validate = validatorFactory.getValidator().validate(userDTO);
        validate.forEach(error-> System.err.println(error.getMessage()));
        if(validate.size() > 0){
            throw new ValidationException("userDTO is not valid!");
        }
        ...
}


public Response update(@Context HttpServletRequest request) {
        Set<ConstraintViolation<UserDTO>> validate = validatorFactory.getValidator().validate(userDTO);
        validate.forEach(error-> System.err.println(error.getMessage()));
        if(validate.size() > 0){
            throw new ValidationException("userDTO is not valid!");
        }
        ...
}
 
 UserDTO： 
 
public class UserDTO {
    private Integer id;
    private String userName;
    @NotNull(message = "is missing")
    private String locked;
    @Email(message = "email is not valid")
    private String email;
    @NotNull(message = "countryCode is missing")
    private String countryCode;
    ...getters-setters more variables...
}
 
 所以我有一个后Http方法，我想创建一个用户... bean验证工作，如果缺少国家代码或锁定确定或如果电子邮件无效确定...但当我想只更新例如电子邮件验证也是运行在整个dto类...所以问题是我可以和我如何配置不每次运行每个变量？ 

Codes where i want to use bean validation: 
 
@Inject
private ValidatorFactory validatorFactory;
....

public Response create(@Context HttpServletRequest request) {
        ...
        Set<ConstraintViolation<UserDTO>> validate = validatorFactory.getValidator().validate(userDTO);
        validate.forEach(error-> System.err.println(error.getMessage()));
        if(validate.size() > 0){
            throw new ValidationException("userDTO is not valid!");
        }
        ...
}


public Response update(@Context HttpServletRequest request) {
        Set<ConstraintViolation<UserDTO>> validate = validatorFactory.getValidator().validate(userDTO);
        validate.forEach(error-> System.err.println(error.getMessage()));
        if(validate.size() > 0){
            throw new ValidationException("userDTO is not valid!");
        }
        ...
}
 
UserDTO: 
 
public class UserDTO {
    private Integer id;
    private String userName;
    @NotNull(message = "is missing")
    private String locked;
    @Email(message = "email is not valid")
    private String email;
    @NotNull(message = "countryCode is missing")
    private String countryCode;
    ...getters-setters more variables...
}
 
So i have a post Http method where i want to create a user...bean validation is working if missing countrycode or locked ok or if email not valid ok...But when i want to just update for example email the validation is also run on the whole dto class...so the question is can i and how can i configure not to run on every variable each time?

原文：https://stackoverflow.com/questions/44967217