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This API declares some contracts for connecting Mojarra to its host container. mvn -Prelease-sign-artifacts -Dgpg.passphrase=PASSPHRASE deploy
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package com.sun.faces.facelets.compiler;

import com.sun.faces.facelets.tag.TagLibrary;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Jacob Hookom
 * @version $Id: NamespaceManager.java 8641 2010-10-04 20:54:50Z edburns $
 */
final class NamespaceManager {

    private final static class NS {
        public final String prefix;

        public final String namespace;

        public NS(String prefix, String ns) {
            this.prefix = prefix;
            this.namespace = ns;
        }
    }

    private final List namespaces;

    /**
     * 
     */
    public NamespaceManager() {
        this.namespaces = new ArrayList();
    }

    public void reset() {
        this.namespaces.clear();
    }

    public void pushNamespace(String prefix, String namespace) {
        NS ns = new NS(prefix, namespace);
        this.namespaces.add(0, ns);
    }

    public String getNamespace(String prefix) {
        NS ns = null;
        for (int i = 0; i < this.namespaces.size(); i++) {
            ns = (NS) this.namespaces.get(i);
            if (ns.prefix.equals(prefix)) {
                return ns.namespace;
            }
        }
        return null;
    }

    public void popNamespace(String prefix) {
        NS ns = null;
        for (int i = 0; i < this.namespaces.size(); i++) {
            ns = (NS) this.namespaces.get(i);
            if (ns.prefix.equals(prefix)) {
                this.namespaces.remove(i);
                return;
            }
        }
    }
    
    public final NamespaceUnit toNamespaceUnit(TagLibrary library) {
        NamespaceUnit unit = new NamespaceUnit(library);
        if (this.namespaces.size() > 0) {
            NS ns = null;
            for (int i = this.namespaces.size() - 1; i >= 0; i--) {
                ns = (NS) this.namespaces.get(i);
                unit.setNamespace(ns.prefix, ns.namespace);
            }
        }
        return unit;
    }

}