[forge-issues] [JBoss JIRA] (FORGE-1618) Command constraint-new-validator to create a new validator implementation

[Antonio Goncalves (JIRA)]

Antonio Goncalves created FORGE-1618:
----------------------------------------

             Summary: Command constraint-new-validator to create a new validator implementation
                 Key: FORGE-1618
                 URL: https://issues.jboss.org/browse/FORGE-1618
             Project: Forge
          Issue Type: Sub-task
          Components: Scaffold
    Affects Versions: 2.1.1.Final
            Reporter: Antonio Goncalves
             Fix For: 2.x Future


An existing constraint can have several implementations of different types. The following commands will create two implementations of the {{Max}} constraints: one for type {{Number}} and one for {{String}} :

{code}
constraint-new-validator --named MaxValidatorForNumber --type Number --targetConstraint Max
constraint-new-validator --named MaxValidatorForString --type String --targetConstraint Max
{code}

The generated code would look like this for Number :

{code}
public class MaxValidatorForString implements ConstraintValidator<Max, Number> {

  @Override
  public void initialize(URL url) {
  }

  @Override
  public boolean isValid(Number value, ConstraintValidatorContext context) {
    return false;
  }
}
{code}

And like that for String :

{code}
public class MaxValidatorForString implements ConstraintValidator<Max, String> {

  @Override
  public void initialize(URL url) {
  }

  @Override
  public boolean isValid(String value, ConstraintValidatorContext context) {
    return false;
  }
}
{code}


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