Package eu.webtoolkit.jwt

Class WStackedValidator

  • public class WStackedValidator
extends WValidator
    A validator that combines multiple validators.

    This validator allows you to combine multiple validators into a single one.

    For a value to be considered valid by this validator, it must be valid for all of the validators added to it. In case the value is invalid for multiple validators, the validator used to generate the error message is the one with the lowest index.

    • Constructor Detail

      • WStackedValidator

        public WStackedValidator()
        Creates an empty stacked validator.

    • Method Detail

      • addValidator

        public void addValidator​(WValidator validator)
        Adds a validator.

        This adds a validator at the last index if the validator is not already present in the list of validators.

      • insertValidator

        public void insertValidator​(int index,
                            WValidator validator)
        Inserts a validator to the given index.

        This inserts a validator at the given index, or at last index if the given index is bigger than the number of validators. Does nothing if the validator is already present in the list of validators.

      • removeValidator

        public void removeValidator​(WValidator validator)
        Removes the given validator.

      • getSize

        public int getSize()
        Returns the number of validators.

      • clear

        public void clear()
        Removes all the validators.

      • validate

        public WValidator.Result validate​(java.lang.String input)
        Description copied from class: WValidator
        Validates the given input.

        Note: The signature for this method changed in JWt 3.2.0.

        Overrides:
        validate in class WValidator

      • getJavaScriptValidate

        public java.lang.String getJavaScriptValidate()
        Description copied from class: WValidator
        Creates a Javascript object that validates the input.

        The JavaScript expression should evaluate to an object which contains a validate(text) function, which returns an object that contains the following two fields:

        • fields: a boolean valid,
        • a message that indicates the problem if not valid.

        Returns an empty string if the validator does not provide a client-side validation implementationq.

        Overrides:
        getJavaScriptValidate in class WValidator
        See Also:
        WValidator.getInputFilter()