How to override the default "required" attribute for the UIComponent?

Question

Hi, consider the following markup: <h:inputText id="txt_firstName" value="#{myBean.firstName}" required="true"/>
if I leave this field empty and hit the submit button, the required validator will fire an error msg. If however, I leave an empty space in the text box and hit submit button, it will go through no problem.
I'd like to override the required attribute, so it will trim the spaces first before decide if it really is empty:
//whatever the name of the method i'm overriding....
String value = (String)value;
if(value==null)throw new ValidatorException(whateverDefinedInTheBundle);
value = value.trim();
if(value.length==0)throw new ValidatorException(whateverDefinedInTheBundle);
How can I go about doing that?
Thank you.

Answer 1

Did you already try
           <af:treeTable value="#{bindings.DashProjectPhasesDev.treeModel}"
                              var="node"
                              selectionListener="#{bindings.DashProjectPhasesDev.treeModel.makeCurrent}"
                              rowSelection="none" rowBandingInterval="0"
                         inlineStyle="width:810px; height:1100px;"> Check the last line with inlineStyle...
Julian