face&nbsp;<code><a href="Validator.html" title="interface in jakarta.faces.validator">Validator</a></code></dd>
<dt>Parameters:</dt>
<dd><code>context</code> - FacesContext for the request we are processing</dd>
<dd><code>component</code> - UIComponent we are checking for correctness</dd>
<dd><code>value</code> - the value to validate</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.la