/*

 * Copyright 2008-2009 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.nio.ch;

import java.nio.channels.spi.AsynchronousChannelProvider;

import java.security.AccessController;

import sun.security.action.GetPropertyAction;

/**

 * Creates this platform's default asynchronous channel provider

 */

public class DefaultAsynchronousChannelProvider {

    /**

     * Prevent instantiation.

     */

    private DefaultAsynchronousChannelProvider() { }

    /**

     * Returns the default AsynchronousChannelProvider.

     */

    public static AsynchronousChannelProvider create() {

        String osname = AccessController

            .doPrivileged(new GetPropertyAction("os.name"));

        if (osname.equals("SunOS"))

            return new SolarisAsynchronousChannelProvider();

        if (osname.equals("Linux"))

            return new LinuxAsynchronousChannelProvider();

        throw new InternalError("platform not recognized");

    }

}