io.jmix.ui.component.validation

Class NegativeValidator<T extends java.lang.Number>

java.lang.Object

io.jmix.ui.component.validation.AbstractValidator<T>

io.jmix.ui.component.validation.NegativeValidator<T>

Type Parameters:

T - BigDecimal, BigInteger, Long, Integer, Double, Float

All Implemented Interfaces:

Validator<T>, java.util.function.Consumer<T>

@Component(value="ui_NegativeValidator")
 @Scope(value="prototype")
public class NegativeValidator<T extends java.lang.Number>
extends AbstractValidator<T>

Negative validator checks that value should be a strictly less than 0.

For error message it uses template string and it is possible to use '${value}' key for formatted output.

In order to provide your own implementation globally, create a subclass and register it in configuration class, for example:

     @Bean("ui_NegativeValidator")
     @Scope(BeanDefinition.SCOPE_PROTOTYPE)
     @Primary
     protected NegativeValidator negativeValidator() {
          return new CustomNegativeValidator();
     }
 

Field Summary

Fields inherited from class io.jmix.ui.component.validation.AbstractValidator

currentAuthentication, datatypeRegistry, message, messages, substitutor

Constructor Summary

Constructors

Constructor and Description
NegativeValidator()
NegativeValidator(java.lang.String message) Constructor for custom error message.

Method Summary

Modifier and Type	Method and Description
void	accept(T value) Checks a value.
void	setCurrentAuthentication(io.jmix.core.security.CurrentAuthentication currentAuthentication)
protected void	setDatatypeRegistry(io.jmix.core.metamodel.datatype.DatatypeRegistry datatypeRegistry)
protected void	setMessages(io.jmix.core.Messages messages)
void	setStringSubstitutor(StringSubstitutor substitutor)

Methods inherited from class io.jmix.ui.component.validation.AbstractValidator

formatValue, getMessage, getTemplateErrorMessage, setMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Detail

NegativeValidator

public NegativeValidator()

NegativeValidator

public NegativeValidator(java.lang.String message)

Constructor for custom error message. This message can contain '${value}' key for formatted output.

Example: "Value '${value}' should be less than 0".

Parameters:

message - error message

Method Detail

setMessages

@Autowired
protected void setMessages(io.jmix.core.Messages messages)

setDatatypeRegistry

@Autowired
protected void setDatatypeRegistry(io.jmix.core.metamodel.datatype.DatatypeRegistry datatypeRegistry)

setCurrentAuthentication

@Autowired
public void setCurrentAuthentication(io.jmix.core.security.CurrentAuthentication currentAuthentication)

setStringSubstitutor

@Autowired
public void setStringSubstitutor(StringSubstitutor substitutor)

accept

public void accept(T value)
            throws ValidationException

Description copied from interface: Validator

Checks a value.

Parameters:

value - a value

Throws:

ValidationException