/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2022, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.wildfly.clustering.context;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.ServiceLoader;

/**
 * @author Paul Ferraro
 *
 */
public enum DefaultContextualizerFactory implements ContextualizerFactory {
    INSTANCE;

    private final List<ContextualizerFactory> factories = new LinkedList<>();

    DefaultContextualizerFactory() {
        this.factories.add(new ClassLoaderContextualizerFactory());
        for (ContextualizerFactory factory : ServiceLoader.load(ContextualizerFactory.class, ContextualizerFactory.class.getClassLoader())) {
            this.factories.add(factory);
        }
    }

    @Override
    public Contextualizer createContextualizer(ClassLoader loader) {
        List<Contextualizer> contextualizers = new ArrayList<>(this.factories.size());
        for (ContextualizerFactory factory : this.factories) {
            contextualizers.add(factory.createContextualizer(loader));
        }
        return new CompositeContextualizer(contextualizers);
    }
}
