Internationalised labels in JSF/Facelets

label.widget.count = You have a total of {0} widgets.

<h:outputFormat value="#{messages['label.widget.count']}">
   <f:param value="#{widgetCount}"/>
</h:outputFormat>

label.widget.count = You have a total of #{widgetCount} widgets.

<h:outputFormat value="#{messages['label.widget.count']}" />

<h:outputText value="#{my:message('label.widget.count', widgetCount)}"/>

#{my:message('label.widget.count', widgetCount)}

<ph:i18n key="label.widget.count" p0="#{widgetCount}"/>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE facelet-taglib PUBLIC "-//Sun Microsystems, Inc.//DTD Facelet Taglib 1.0//EN" "https://facelets.dev.java.net/source/browse/*checkout*/facelets/src/etc/facelet-taglib_1_0.dtd">

<facelet-taglib xmlns="http://java.sun.com/JSF/Facelet">
    <namespace>http://peterhilton.com/core</namespace>

    <tag>
        <tag-name>i18n</tag-name>
        <source>i18n.xhtml</source>
    </tag>

</facelet-taglib>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
        xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">

    <h:outputFormat value="#{messages[key]}">
            <!-- crude but it works -->
       	<f:param value="#{p0}" />
       	<f:param value="#{p1}" />
       	<f:param value="#{p2}" />
       	<f:param value="#{p3}" />
    </h:outputFormat>

</ui:composition>

<context-param>
<param-name>facelets.LIBRARIES</param-name>
<param-value>
        /components/ph.taglib.xml
    </param-value>
</context-param>

<h:outputText value="#{interpolator.interpolate(messages['label.widget.count'], widgetCount)}"/>