com.haulmont.cuba.gui.components.validation

Class NegativeValidator<T extends java.lang.Number>

java.lang.Object

com.haulmont.cuba.gui.components.validation.AbstractValidator<T>

com.haulmont.cuba.gui.components.validation.NegativeValidator<T>

Type Parameters:

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

All Implemented Interfaces:

java.util.function.Consumer<T>

@Component(value="cuba_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 Groovy 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 web-spring.xml, for example:

     <bean id="cuba_NegativeValidator" class="com.haulmont.cuba.gui.components.validation.NegativeValidator" scope="prototype"/>
     

Use BeanLocator when creating the validator programmatically.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Fields inherited from class com.haulmont.cuba.gui.components.validation.AbstractValidator

datatypeRegistry, message, messages, userSessionSource

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)
protected void	setDatatypeRegistry(DatatypeRegistry datatypeRegistry)
protected void	setMessages(Messages messages)
protected void	setUserSessionSource(UserSessionSource userSessionSource)

Methods inherited from class com.haulmont.cuba.gui.components.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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

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

@Inject
protected void setMessages(Messages messages)

setDatatypeRegistry

@Inject
protected void setDatatypeRegistry(DatatypeRegistry datatypeRegistry)

setUserSessionSource

@Inject
protected void setUserSessionSource(UserSessionSource userSessionSource)

accept

public void accept(T value)
            throws ValidationException

Throws:

ValidationException