tobago-example/tobago-example-demo/src/main/webapp/content/30-concept/20-format/Format.xhtml

<?xml version="1.0" encoding="UTF-8"?>

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<ui:composition template="/main.xhtml"
                xmlns="http://www.w3.org/1999/xhtml"
                xmlns:tc="http://myfaces.apache.org/tobago/component"
                xmlns:ui="http://java.sun.com/jsf/facelets"
                xmlns:fn="http://java.sun.com/jsp/jstl/functions" xmlns:c="http://java.sun.com/jsp/jstl/core">

  <p>Use the EL functions from <code>tc:format1</code> to <code>tc:format9</code>
    to replace up to 9 variables in a given internationalized text.
    This work like in
    <tc:link label="java.text.MessageFormat"
             link="https://docs.oracle.com/javase/6/docs/api/java/text/MessageFormat.html"/>.</p>

  <ui:param name="format1text" value="The equatorial radius of the sun is {0} km."/>
  <ui:param name="format3text"
            value="The temperature of the sun is {0} K on the surface, but {1} K in the center and {2} K in the corona."/>
  <ui:param name="format9text" value="Just reordering: {4} - {1} - {6} - {8} - {5} - {3} - {0} - {7} - {2}"/>

  <tc:section label="Format 1">
    <p>The message format is: "#{format1text}"</p>
    <pre><code class="language-markup">&lt;tc:out value="\#{tc:format1(format1text, 695700)}"/></code></pre>
    <tc:out id="o1" value="#{tc:format1(format1text, 695700)}"/>
  </tc:section>

  <tc:section label="Format 3">
    <p>The message format is: "#{format3text}"</p>
    <pre><code
        class="language-markup">&lt;tc:out value="\#{tc:format3(format3text, 5800, 15700000, 5000000)}"/></code></pre>
    <tc:out id="o2" value="#{tc:format3(format3text, 5800, 15700000, 5000000)}"/>
  </tc:section>

  <tc:section label="Format 9">
    <p>The message format is: "#{format9text}"</p>
    <pre><code
        class="language-markup">&lt;tc:out value="\#{tc:format9(format9text, 0, 1, 2, 3, 4, 5, 6, 7, 8)}"/></code></pre>
    <tc:out id="o3" value="#{tc:format9(format9text, 0, 1, 2, 3, 4, 5, 6, 7, 8)}"/>
  </tc:section>

  <tc:section label="UpperCase">
    <p>You may also use the <code>fn:</code> function library for string manipulation.</p>
    <pre><code class="language-markup">&lt;tc:out value="\#{fn:toUpperCase('uppercase')}"/></code></pre>
    <tc:out id="o4" value="#{fn:toUpperCase('uppercase')}"/>
  </tc:section>
</ui:composition>