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ImportConstants

In older EL versions (< 3.0), it's not possible to use constants or any other static fields/methods in an EL expression, as it is not really a good practice to create beans with getter/setter for each constants class, we provide an utils tag which allows to import constant fields in a page. The constants can be accessed via the name of the class (default setting) or via a custom name (var attribute).

ImportConstants Tag Documentation

Utility tag to import constants.

NameTypeRequiredDefaultDescription
type String true The constants class.
var String false Name of the class without package. The EL variable which can be used to obtain the constants.
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Tag DocumentationNew DocumentationNew Documentation
Library
primefaces
DOWNLOAD_COOKIE
primefaces.download

Usage


<div class="card">
    <p:importConstants type="org.primefaces.util.Constants" var="PFConstants"/>

    <h5 class="mt-0">Library</h5>
    <h:outputText value="#{PFConstants.LIBRARY}" />

    <h5>DOWNLOAD_COOKIE</h5>
    <h:outputText value="#{PFConstants.DOWNLOAD_COOKIE}" />
</div>
PrimeFaces v17.0.0-SNAPSHOT