Configuring max and min parameters in @size validation annotation through properties





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Normally, we would validate a model with some constraint like so:



public class PersonForm {
@NotNull
@Size(min=2, max=30)
private String name;

@NotNull
@Min(18)
private Integer age;
}


However, I would like to use configurable properties instead of constants in my implementation. For instance, let this the properties file:



personform.name.size.min=2
personform.name.size.max=30


and the form class...



public class PersonForm {
@NotNull
@Size(min="personform.name.size.min", max="personform.name.size.max")
private String name;

...
}


Is this possible with a declarative, annotation-based approach? Thank you.










share|improve this question































    0















    Normally, we would validate a model with some constraint like so:



    public class PersonForm {
    @NotNull
    @Size(min=2, max=30)
    private String name;

    @NotNull
    @Min(18)
    private Integer age;
    }


    However, I would like to use configurable properties instead of constants in my implementation. For instance, let this the properties file:



    personform.name.size.min=2
    personform.name.size.max=30


    and the form class...



    public class PersonForm {
    @NotNull
    @Size(min="personform.name.size.min", max="personform.name.size.max")
    private String name;

    ...
    }


    Is this possible with a declarative, annotation-based approach? Thank you.










    share|improve this question



























      0












      0








      0








      Normally, we would validate a model with some constraint like so:



      public class PersonForm {
      @NotNull
      @Size(min=2, max=30)
      private String name;

      @NotNull
      @Min(18)
      private Integer age;
      }


      However, I would like to use configurable properties instead of constants in my implementation. For instance, let this the properties file:



      personform.name.size.min=2
      personform.name.size.max=30


      and the form class...



      public class PersonForm {
      @NotNull
      @Size(min="personform.name.size.min", max="personform.name.size.max")
      private String name;

      ...
      }


      Is this possible with a declarative, annotation-based approach? Thank you.










      share|improve this question
















      Normally, we would validate a model with some constraint like so:



      public class PersonForm {
      @NotNull
      @Size(min=2, max=30)
      private String name;

      @NotNull
      @Min(18)
      private Integer age;
      }


      However, I would like to use configurable properties instead of constants in my implementation. For instance, let this the properties file:



      personform.name.size.min=2
      personform.name.size.max=30


      and the form class...



      public class PersonForm {
      @NotNull
      @Size(min="personform.name.size.min", max="personform.name.size.max")
      private String name;

      ...
      }


      Is this possible with a declarative, annotation-based approach? Thank you.







      java spring validation






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      share|improve this question




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      edited Nov 18 '18 at 23:51







      Leviathlon

















      asked Nov 16 '18 at 16:42









      LeviathlonLeviathlon

      542619




      542619
























          1 Answer
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          2














          Try using Spring Expression language in annotation



           @Size(min="${personform.name.size.min}", max="${personform.name.size.max}")
          private String name;





          share|improve this answer
























          • That really exists? It’s great, thank you.

            – Leviathlon
            Nov 16 '18 at 18:59











          • I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

            – Leviathlon
            Nov 18 '18 at 23:50











          • sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

            – Deadpool
            Nov 19 '18 at 0:35












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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

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          active

          oldest

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          active

          oldest

          votes









          2














          Try using Spring Expression language in annotation



           @Size(min="${personform.name.size.min}", max="${personform.name.size.max}")
          private String name;





          share|improve this answer
























          • That really exists? It’s great, thank you.

            – Leviathlon
            Nov 16 '18 at 18:59











          • I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

            – Leviathlon
            Nov 18 '18 at 23:50











          • sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

            – Deadpool
            Nov 19 '18 at 0:35
















          2














          Try using Spring Expression language in annotation



           @Size(min="${personform.name.size.min}", max="${personform.name.size.max}")
          private String name;





          share|improve this answer
























          • That really exists? It’s great, thank you.

            – Leviathlon
            Nov 16 '18 at 18:59











          • I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

            – Leviathlon
            Nov 18 '18 at 23:50











          • sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

            – Deadpool
            Nov 19 '18 at 0:35














          2












          2








          2







          Try using Spring Expression language in annotation



           @Size(min="${personform.name.size.min}", max="${personform.name.size.max}")
          private String name;





          share|improve this answer













          Try using Spring Expression language in annotation



           @Size(min="${personform.name.size.min}", max="${personform.name.size.max}")
          private String name;






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 16 '18 at 17:00









          DeadpoolDeadpool

          7,8722831




          7,8722831













          • That really exists? It’s great, thank you.

            – Leviathlon
            Nov 16 '18 at 18:59











          • I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

            – Leviathlon
            Nov 18 '18 at 23:50











          • sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

            – Deadpool
            Nov 19 '18 at 0:35



















          • That really exists? It’s great, thank you.

            – Leviathlon
            Nov 16 '18 at 18:59











          • I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

            – Leviathlon
            Nov 18 '18 at 23:50











          • sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

            – Deadpool
            Nov 19 '18 at 0:35

















          That really exists? It’s great, thank you.

          – Leviathlon
          Nov 16 '18 at 18:59





          That really exists? It’s great, thank you.

          – Leviathlon
          Nov 16 '18 at 18:59













          I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

          – Leviathlon
          Nov 18 '18 at 23:50





          I'm sorry but this does not work, it says Incompatible types. Found java.lang.String, required: int. What do you think?

          – Leviathlon
          Nov 18 '18 at 23:50













          sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

          – Deadpool
          Nov 19 '18 at 0:35





          sorry this is valid for strings only jira.spring.io/browse/SPR-8716, i'm trying to find more about it @Leviathlon

          – Deadpool
          Nov 19 '18 at 0:35




















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