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Available since OmniFaces 1.0
Collection of EL functions for array manipulation: of:createArray(), of:createIntegerArray(), of:contains() and of:reverseArray().
Feature request
If you know more useful methods/functions which you think should be added to this OmniFaces utility class so that everyone can benefit from a "standard" Faces utility library, feel free to post a feature request.
Demo
Create a dummy array of size 5: 0, 1, 2, 3, 4
Create an integer array from 10 to 20: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
Check if an array contains the specified value: clicking here should print true: false
Demo source code
<p>
Create a dummy array of size 5:
<ui:repeat value="#{of:createArray(5)}" varStatus="loop">
#{loop.index}#{!loop.last ? ', ' : ''}
</ui:repeat>
</p>
<p>
Create an integer array from 10 to 20:
<ui:repeat value="#{of:createIntegerArray(10, 20)}" var="i" varStatus="loop">
#{i}#{!loop.last ? ', ' : ''}
</ui:repeat>
</p>
<h:form>
<p>
Create an integer array for <code><f:selectItems></code>:
<h:selectOneMenu value="#{functionsBean.day}">
<f:selectItems value="#{of:createIntegerArray(1, 31)}" />
<f:ajax render="day" />
</h:selectOneMenu>
<c:set var="year" value="#{of:formatDate(now, 'yyyy')}" />
<h:selectOneMenu value="#{functionsBean.year}">
<f:selectItems value="#{of:createIntegerArray(year, year - 10)}" />
<f:ajax render="year" />
</h:selectOneMenu>
chosen: <strong><h:outputText id="day" value="#{functionsBean.day}" /></strong>
and <strong><h:outputText id="year" value="#{functionsBean.year}" /></strong>
</p>
</h:form>
<p>
Check if an array contains the specified value:
<a href="?test=7&test=42&test=69">clicking here should print true</a>:
<strong>#{of:contains(paramValues.test, 42)}</strong>
</p>Documentation & Sources