DocumentPopulator.java

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package com.sun.faces.test.servlet30.lifecycleBasic;

import javax.faces.application.ApplicationConfigurationPopulator;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class DocumentPopulator extends ApplicationConfigurationPopulator {

    /**
     * <p>
     * /faces-config/lifecycle</p>
     */
    private static final String LIFECYCLE = "lifecycle";

    /**
     * <p>
     * /faces-config/lifecycle/phase-listener</p>
     */
    private static final String PHASE_LISTENER = "phase-listener";

    @Override
    public void populateApplicationConfiguration(Document document) {
        Element documentElement = document.getDocumentElement();
        String namespace = documentElement.getNamespaceURI();
        final String expectedNamespaceURI = "http://xmlns.jcp.org/xml/ns/javaee";
        if (!expectedNamespaceURI.equals(namespace)) {
            throw new IllegalStateException("Unexpected namespace");
        }
        Element lifecycleElement = document.createElementNS(namespace, LIFECYCLE);
        Element phaseListenerElement = document.createElementNS(namespace, PHASE_LISTENER);
        Node phaseListenerNode = document.createTextNode("com.sun.faces.test.servlet30.lifecycleBasic.MyPhaseListener");
        phaseListenerElement.appendChild(phaseListenerNode);
        lifecycleElement.appendChild(phaseListenerElement);
        documentElement.appendChild(lifecycleElement);

    }

}