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UniVocity howto add parameters to a custom Validator

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2

1

I'm creating some custom Validators for univocity parser and I want to add some parameters like this:

 public class Size implements Validator<String>
 int max;

and then use it like this:

 @Parsed
 @Validate(nullable = false, validators = Size.class(8) )
 private String someString;

I didn't found anything like this or examples with annotations.

Maybe using javax.validation annotations?

Or maybe injecting sizeValidation object created with range limit constructor?

Thanks!

java validation univocity

share|improve this question

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Partially solved. Size could be validated with RegEx ^_^ matches = "^.3,5$" size min=3, max=5
  
  – Jesús David López
  Mar 29 at 9:29
  
  

  
  
  
  

add a comment
 | 

2

1

I'm creating some custom Validators for univocity parser and I want to add some parameters like this:

 public class Size implements Validator<String>
 int max;

and then use it like this:

 @Parsed
 @Validate(nullable = false, validators = Size.class(8) )
 private String someString;

I didn't found anything like this or examples with annotations.

Maybe using javax.validation annotations?

Or maybe injecting sizeValidation object created with range limit constructor?

Thanks!

java validation univocity

share|improve this question

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Partially solved. Size could be validated with RegEx ^_^ matches = "^.3,5$" size min=3, max=5
  
  – Jesús David López
  Mar 29 at 9:29
  
  

  
  
  
  

add a comment
 | 

I'm creating some custom Validators for univocity parser and I want to add some parameters like this:

 public class Size implements Validator<String>
 int max;

and then use it like this:

 @Parsed
 @Validate(nullable = false, validators = Size.class(8) )
 private String someString;

I didn't found anything like this or examples with annotations.

Maybe using javax.validation annotations?

Or maybe injecting sizeValidation object created with range limit constructor?

Thanks!

java validation univocity

share|improve this question

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

 public class Size implements Validator<String>
 int max;

 @Parsed
 @Validate(nullable = false, validators = Size.class(8) )
 private String someString;

share|improve this question

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

share|improve this question

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

asked Mar 28 at 17:38

Jesús David LópezJesús David López

1322 bronze badges

1 Answer
1

active

oldest

votes

1

Two options here:

1 - add the annotations on a setter (simple but not reusable:

 @Parsed
 @Validate(nullable = false)
 public void setSomeString(String value)

2 - extend class ValidatedConversion and use that class on a @Convert annotation:

public class LengthValidator extends ValidatedConversion 

 private int min;
 private int max;

 public LengthValidator(String... args) 
 super(false, false); //not null / not blank
 this.min = Integer.parseInt(args[0]);
 this.max = Integer.parseInt(args[1]);
 

 @Override
 protected void validate(Object value) 

Then add it to your attribute:

 @Parsed
 @Convert(conversionClass = LengthValidator.class, args = "3", "5")
 private String someString;

Hope this helps.

share|improve this answer

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It helps a lot. Thanks! excellent library btw. I'm combining RegEx with ValidatedConversion and it works ... fast! :-)
  
  – Jesús David López
  Apr 4 at 10:32
  

  
  
  
  

add a comment
 | 

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1

Two options here:

1 - add the annotations on a setter (simple but not reusable:

 @Parsed
 @Validate(nullable = false)
 public void setSomeString(String value)

2 - extend class ValidatedConversion and use that class on a @Convert annotation:

public class LengthValidator extends ValidatedConversion 

 private int min;
 private int max;

 public LengthValidator(String... args) 
 super(false, false); //not null / not blank
 this.min = Integer.parseInt(args[0]);
 this.max = Integer.parseInt(args[1]);
 

 @Override
 protected void validate(Object value) 

Then add it to your attribute:

 @Parsed
 @Convert(conversionClass = LengthValidator.class, args = "3", "5")
 private String someString;

Hope this helps.

share|improve this answer

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It helps a lot. Thanks! excellent library btw. I'm combining RegEx with ValidatedConversion and it works ... fast! :-)
  
  – Jesús David López
  Apr 4 at 10:32
  

  
  
  
  

add a comment
 | 

1

Two options here:

1 - add the annotations on a setter (simple but not reusable:

 @Parsed
 @Validate(nullable = false)
 public void setSomeString(String value)

2 - extend class ValidatedConversion and use that class on a @Convert annotation:

public class LengthValidator extends ValidatedConversion 

 private int min;
 private int max;

 public LengthValidator(String... args) 
 super(false, false); //not null / not blank
 this.min = Integer.parseInt(args[0]);
 this.max = Integer.parseInt(args[1]);
 

 @Override
 protected void validate(Object value) 

Then add it to your attribute:

 @Parsed
 @Convert(conversionClass = LengthValidator.class, args = "3", "5")
 private String someString;

Hope this helps.

share|improve this answer

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It helps a lot. Thanks! excellent library btw. I'm combining RegEx with ValidatedConversion and it works ... fast! :-)
  
  – Jesús David López
  Apr 4 at 10:32
  

  
  
  
  

add a comment
 | 

Two options here:

1 - add the annotations on a setter (simple but not reusable:

 @Parsed
 @Validate(nullable = false)
 public void setSomeString(String value)

2 - extend class ValidatedConversion and use that class on a @Convert annotation:

public class LengthValidator extends ValidatedConversion 

 private int min;
 private int max;

 public LengthValidator(String... args) 
 super(false, false); //not null / not blank
 this.min = Integer.parseInt(args[0]);
 this.max = Integer.parseInt(args[1]);
 

 @Override
 protected void validate(Object value) 

Then add it to your attribute:

 @Parsed
 @Convert(conversionClass = LengthValidator.class, args = "3", "5")
 private String someString;

Hope this helps.

share|improve this answer

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

 @Parsed
 @Validate(nullable = false)
 public void setSomeString(String value)

public class LengthValidator extends ValidatedConversion 

 private int min;
 private int max;

 public LengthValidator(String... args) 
 super(false, false); //not null / not blank
 this.min = Integer.parseInt(args[0]);
 this.max = Integer.parseInt(args[1]);
 

 @Override
 protected void validate(Object value) 

 @Parsed
 @Convert(conversionClass = LengthValidator.class, args = "3", "5")
 private String someString;

share|improve this answer

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges

answered Apr 4 at 1:31

Jeronimo BackesJeronimo Backes

4,84511 gold badge1818 silver badges2424 bronze badges