DataTable - Dynamic Columns

Columns of datatable can be created dynamically using the p:columns component.

Available columns are "id","brand","year","color" and "price".
IDBRANDYEAR
c531d367Audi1989
23c01514Audi1974
2d4d3c65Audi1980
d3afa173Fiat1977
b3ac3ef6Ford1990
040213b8Volkswagen1989
2e9dd38aVolkswagen2000
8f4f3e28Audi1965
3f7fd444Renault2007
c043a2d8Fiat1995
<h:form id="form">    
    <h:panelGrid columns="3" style="margin:10px 0">
        <p:outputLabel for="template" value="Template:" style="font-weight:bold"/>
        <p:inputText id="template" value="#{dtColumnsView.columnTemplate}" size="50"/>
        <p:commandButton update="cars" actionListener="#{dtColumnsView.updateColumns}" value="Update" process="@parent" icon="ui-icon-refresh" oncomplete="PF('carsTable').clearFilters()"/>
    </h:panelGrid>

    <p:dataTable id="cars" var="car" value="#{dtColumnsView.cars}" widgetVar="carsTable" filteredValue="#{dtColumnsView.filteredCars}">                    
        <p:columns value="#{dtColumnsView.columns}" var="column" columnIndexVar="colIndex" sortBy="#{car[column.property]}" filterBy="#{car[column.property]}">
            <f:facet name="header">
                <h:outputText value="#{column.header}" />
            </f:facet>
            <h:outputText value="#{car[column.property]}" />
        </p:columns>
    </p:dataTable>
</h:form>