omnifaces

 - 

Available since OmniFaces 1.2

The <o:validateOneOrNone> validates if ONLY ONE of the given UIInput components has been filled out or that NONE of the given UIInput components have been filled out.

The default message is

{0}: Please fill out only one or none of those fields

For general usage instructions, refer ValidateMultipleFields documentation.

Demo

Please fill out only one or none of those fields
Demo source code
<h:form>
    <h3>Please fill out only one or none of those fields</h3>
    <o:validateOneOrNone id="oneOrNone" components="foo bar baz" />

    <h:panelGrid columns="3">
        <o:outputLabel for="foo" value="Foo" />
        <h:inputText id="foo" />
        <h:message for="foo" />

        <o:outputLabel for="bar" value="Bar" />
        <h:inputText id="bar" />
        <h:message for="bar" />

        <o:outputLabel for="baz" value="Baz" />
        <h:inputText id="baz" />
        <h:message for="baz" />

        <h:panelGroup />
        <h:commandButton value="submit">
            <f:ajax execute="@form" render="@form" />
        </h:commandButton>
        <h:panelGroup>
            <h:message for="oneOrNone" />
            <h:outputText value="OK!" rendered="#{facesContext.postback and not facesContext.validationFailed}" />
        </h:panelGroup>
    </h:panelGrid>
</h:form>
Documentation & Sources

VDL documentation

API documentation

Java source code