# Uses of Class
org.apache.tapestry5.validator.AbstractValidator

Packages that use AbstractValidator
Package
Description
org.apache.tapestry5.validator
Validators for use by Tapestry (and custom) form field components.

- ## Uses of AbstractValidator in org.apache.tapestry5.validator

  Subclasses of AbstractValidator in org.apache.tapestry5.validator
  Modifier and Type
  Class
  Description
  `final class`
  `Checked`
  A validator that enforces that the value is true.
  `class`
  `Email`
  A validator that checks if a given string is well-formed email address.
  `class`
  `Max`
  Enforces a maximum integer value.
  `final class`
  `MaxLength`
  Validates that a string value has not exceeded a maximum length.
  `class`
  `Min`
  `final class`
  `MinLength`
  Validates that a string value has a minimum length.
  `class`
  `None`
  The none validator is does nothing on either the client or the server; primarily it is employed as the validate parameter, to override the validation specified in the `Validate` annotation of a property.
  `class`
  `Regexp`
  Enforces that the input matches a provided regular expression.
  `final class`
  `Required`
  A validator that enforces that the value is not null and not the empty string.
  `final class`
  `Unchecked`
  A validator that enforces that the value is false.