Examples of javax.validation.Validator.validateValue()

javax.validation.Validator.validateValue()
Validates all constraints placed on the property named propertyName of the class beanType would the property value be value
ConstraintViolation objects return null for {@link ConstraintViolation#getRootBean()} and {@link ConstraintViolation#getLeafBean()} @param beanType the bean type @param propertyName property to validate @param value property value to validate @param groups group or list of groups targeted for validation(default to {@link javax.validation.groups.Default}) @return constraint violations or an empty Set if none @throws IllegalArgumentException if beanType is null,if propertyName null, empty or not a valid object property or if null is passed to the varargs groups @throws ValidationException if a non recoverable error happensduring the validation process


          // Se houver um validador anexado à propriedade alterada, executa o validador sobre
          // o novo valor.
          Validator validator = getDefaultValidator();
          if (validator != null) {
            Set<?> violations = validator.validateValue(managedType.getType(), propertyName, newValue);
            if (violations.size() > 0) {
              StringBuffer errorBuffer = new StringBuffer();
              for (Object objectViolation : violations) {
                ConstraintViolation<?> violation = (ConstraintViolation<?>) objectViolation;
                errorBuffer.append(violation.getMessage()).append('\r').append('\n');

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    PropertyDescriptor propertyDescriptor = beanDescriptor.getConstraintsForProperty(currentProperty);
    
    if(propertyDescriptor == null) return;
    
    final Set<ConstraintViolation<Object>> violations = validator.validateValue(
            (Class<Object>) beanValidationContext.getBeanType(), currentProperty, 
            value, beanValidationGroupSource.get());
    
    if (violations.isEmpty()) 
    {

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      @SpecAssertion(section = "5.1.3", id = "b")
  })
  public void testCorrectGroupsAreAppliedForValidateValue() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue( Address.class, "city", null );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Default.class );

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    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue( Address.class, "city", null );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Default.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );

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    constraintViolations = validator.validateValue( Address.class, "city", null, Default.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 0 );


    constraintViolations = validator.validateValue( Address.class, "street", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotEmpty.class );

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    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 0 );


    constraintViolations = validator.validateValue( Address.class, "street", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotEmpty.class );
    assertCorrectPropertyPaths( constraintViolations, "street" );
  }
}

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  @Test
  @SpecAssertion(section = "5.1.1", id = "h")
  public void testValidateValueSuccess() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue(
        Address.class, "city", "Paris"
    );
    assertCorrectNumberOfViolations( constraintViolations, 0 );
  }

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      @SpecAssertion(section = "5.2", id = "i")
  })
  public void testValidateValue() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Order>> constraintViolations = validator.validateValue(
        Order.class, "orderNumber", null
    );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectPropertyPaths( constraintViolations, "orderNumber" );
    assertCorrectConstraintViolationMessages( constraintViolations, "An order must have an order number." );

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    assertNull( constraintViolation.getRootBean() );
    assertNull( constraintViolation.getLeafBean() );
    assertNull( constraintViolation.getExecutableParameters() );
    assertNull( constraintViolation.getExecutableReturnValue() );


    constraintViolations = validator.validateValue( Order.class, "orderNumber", 1234 );
    assertCorrectNumberOfViolations( constraintViolations, 0 );
  }


  @Test
  @SpecAssertion(section = "5.1.1", id = "i")

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  @SpecAssertion(section = "5.1.1", id = "i")
  public void testValidateValueWithInvalidPropertyPath() {
    Validator validator = TestUtil.getValidatorUnderTest();


    try {
      validator.validateValue( Customer.class, "foobar", null );
      fail();
    }
    catch ( IllegalArgumentException e ) {
      // success
    }

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