Facelets:
<html xmlns="http://www.w3.org/1999/xhtml";
xmlns:f="http://java.sun.com/jsf/core"; xmlns:h="http://java.sun.com/jsf/html";
xmlns:ui="http://java.sun.com/jsf/facelets";
xmlns:c="http://java.sun.com/jstl/core";
xmlns:t="http://myfaces.apache.org/tomahawk";
xmlns:tr="http://myfaces.apache.org/trinidad";>
<h:form>
<h:messages />
<tr:switcher facetName="#{pageFlowScope.type}" defaultFacet="text">
<f:facet name="text">
<ui:fragment>
<h:inputText required="true" value="#{pageFlowScope.value}" />
</ui:fragment>
</f:facet>
</tr:switcher>
<h:inputText required="true" value="#{pageFlowScope.value2}" />
<h:commandButton value="Foo" />
</h:form>
</html>
If you enter a value in the first box but not the second and submit,
you get a validation error and the first value reverts to whatever it
was before.
JIRA:
https://issues.apache.org/jira/browse/TRINIDAD-43
