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XWiki Commons - ClassLoader - API
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/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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.xwiki.classloader;

import java.net.URL;
import java.net.URLClassLoader;
import java.net.URLStreamHandlerFactory;
import java.util.List;

import org.xwiki.stability.Unstable;

/**
 * Implementation that allows adding URLs on demand (the default {@link URLClassLoader} only allows adding URLs in the
 * constructor).
 *
 * @version $Id: 1cb8c30dc9a2e00ccb5cad3c7681d3dd5f4caff9 $
 * @since 2.0.1
 */
public class ExtendedURLClassLoader extends URLClassLoader
{
    /**
     * See {@link URLClassLoader#URLClassLoader(URL[], ClassLoader, URLStreamHandlerFactory)}.
     *
     * @param  name class loader name; or {@code null} if not named
     * @param urls the URLs from which to load classes and resources
     * @param parent the parent class loader for delegation
     * @param factory the URLStreamHandlerFactory to use when creating URLs
     * @since 15.8RC1
     */
    @Unstable
    public ExtendedURLClassLoader(String name, URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory)
    {
        super(name, urls, parent, factory);
    }

    /**
     * See {@link URLClassLoader#URLClassLoader(URL[], ClassLoader, URLStreamHandlerFactory)}.
     *
     * @param urls the URLs from which to load classes and resources
     * @param parent the parent class loader for delegation
     * @param factory the URLStreamHandlerFactory to use when creating URLs
     */
    public ExtendedURLClassLoader(URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory)
    {
        super(urls, parent, factory);
    }

    /**
     * See {@link URLClassLoader#URLClassLoader(URL[], ClassLoader)}.
     *
     * @param urls the URLs from which to load classes and resources
     * @param parent the parent class loader for delegation
     */
    public ExtendedURLClassLoader(URL[] urls, ClassLoader parent)
    {
        super(urls, parent);
    }

    /**
     * See {@link URLClassLoader#URLClassLoader(URL[])}.
     *
     * @param urls the URLs from which to load classes and resources
     */
    public ExtendedURLClassLoader(URL[] urls)
    {
        super(urls);
    }

    /**
     * @param parent the parent class loader for delegation
     * @param factory the URLStreamHandlerFactory to use when creating URLs
     */
    public ExtendedURLClassLoader(ClassLoader parent, URLStreamHandlerFactory factory)
    {
        this(new URL[0], parent, factory);
    }

    @Override
    public void addURL(URL url)
    {
        super.addURL(url);
    }

    /**
     * @param urls the JAR URLs to add
     */
    public void addURLs(List urls)
    {
        for (URL url : urls) {
            addURL(url);
        }
    }
}