Package com.vaadin.flow.component.shared

Class ValidationUtil

java.lang.Object
com.vaadin.flow.component.shared.ValidationUtil
public class ValidationUtil extends Object
Util methods for component validation

  • Method Summary

    Modifier and Type
    Method
    Description
    static <V extends Comparable<V>>
    com.vaadin.flow.data.binder.ValidationResult
    checkGreaterThanMax(V value, V maxValue)
    Checks if the value being set to the component is greater than the max value defined
    static <V> com.vaadin.flow.data.binder.ValidationResult
    checkRequired(boolean required, V value, V emptyValue)
    Checks the required validation constraint
    static <V extends Comparable<V>>
    com.vaadin.flow.data.binder.ValidationResult
    checkSmallerThanMin(V value, V minValue)
    Checks if the value being set to the component is smaller than the max value defined

    Methods inherited from class java.lang.Object

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

  • Method Details

    • checkRequired

      public static <V> com.vaadin.flow.data.binder.ValidationResult checkRequired(boolean required, V value, V emptyValue)
      Checks the required validation constraint
      Type Parameters:
      V - the type of the component value
      Parameters:
      required - the required state of the component
      value - the current value set on the component
      emptyValue - the empty value for the component
      Returns:
      Validation.ok() if the validation passes, Validation.error() otherwise

    • checkGreaterThanMax

      public static <V extends Comparable<V>> com.vaadin.flow.data.binder.ValidationResult checkGreaterThanMax(V value, V maxValue)
      Checks if the value being set to the component is greater than the max value defined
      Type Parameters:
      V - the type of the component value
      Parameters:
      value - the current value set on the component
      maxValue - the max value set on the component
      Returns:
      Validation.ok() if the validation passes, Validation.error() otherwise

    • checkSmallerThanMin

      public static <V extends Comparable<V>> com.vaadin.flow.data.binder.ValidationResult checkSmallerThanMin(V value, V minValue)
      Checks if the value being set to the component is smaller than the max value defined
      Type Parameters:
      V - the type of the component value
      Parameters:
      value - the current value set on the component
      minValue - the min value set on the component
      Returns:
      Validation.ok() if the validation passes, Validation.error() otherwise