Looking for h:choose . What is alternative?

Question

I have a list of input fields which can either be a numeric
input field, or a 1 of N enumerated choice. The bean, (TestSequence),
either contains the nested structure of TestSequence.items[].numeric,
or TestSequence.items[].enumerated depending up the string value
of TestSequence.type.
I want to write the JSF below to render this input structure, but
I know tag <h:choose> and <h:when> do not exist.
What is the "JSF" manner to solve this problem?
Steeeeve
<f:view>
<h:form>
<h:data_table
value="#{TestSequence.listInputs}"
var="input">
<h:column>
<f:facet name="header">
<h:output_text value="Label"/>
</f:facet>
<h:output_text value="#{input.label}"/>
</h:column>
<h:column> <!-- Beginning of dynamic column -->
<f:facet name="header">
<h:output_text value="Value"/>
</f:facet>
<-- This is where the good stuff begins! -->
<h:choose>
<h:when "#{input.type}='numeric'">
<h:input_number valueRef="#{input.numeric.value}" size="20">
<f:validate_required/>
<f:validate_longrange
minimum="#{input.numeric.min}"
maximum="#{input.numeric.max}"/>
</h:input_number>
</h:when>
<!-- Also note nested <h:data_table> here -->
<h:when "#{input.type}='enumerated'">
<h:selectone_menu valueRef="#{input.enumerated.value}">
<f:validate_required/>
<h:data_table
value="#{TestSequence.enumerated.items}"
var="item">
<h:selectitem itemValue="#{item.value}" itemLabel="#{item.label}"/>
</h:data_table>
</h:selectone_menu>
</h:when>
</h:choose>
</h:column> <!-- End of Dynamic Column -->
</h:data_table>
</h:form>
</f:view>

Answer 1

A couple of ideas to get you started on some alternatives. There's no "one right answer" because everyone has different detailed requirements, but each of these seem like they would be feasible:
* Where you've got <h:choose>, write a custom component+renderer
that itself evaluates the #{input.type} expression and renders the
correct format for the input. This means you'd have to replicate the
encode and decode functionality of the corresponding renderers.
* Similar to the above, where you've got <h:choose>, write a custom
component that evaluates the state of the world, and then dynamically
adds the appropriate child components to the component tree,
allowing the standard renderers for those components to do the
actual markup creation. The only (slight) complexity is that you'll
need to make getRendersChildren() return true, and take responsibiility
for implementing encodeChildren() to actually call the child component
renderers.
Craig McClanahan