/*

 * Copyright (c) 2010, Oracle and/or its affiliates. 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.  Oracle designates this

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

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.nio.ch;

import java.nio.channels.SocketChannel;

import java.nio.channels.ServerSocketChannel;

import java.nio.channels.spi.SelectorProvider;

import java.io.FileDescriptor;

import java.io.IOException;

/**

 * Provides access to implementation private constructors and methods.

 */

public final class Secrets {

    private Secrets() { }

    private static SelectorProvider provider() {

        SelectorProvider p = SelectorProvider.provider();

        if (!(p instanceof SelectorProviderImpl))

            throw new UnsupportedOperationException();

        return p;

    }

    public static SocketChannel newSocketChannel(FileDescriptor fd) {

        try {

            return new SocketChannelImpl(provider(), fd, false);

        } catch (IOException ioe) {

            throw new AssertionError(ioe);

        }

    }

    public static ServerSocketChannel newServerSocketChannel(FileDescriptor fd) {

        try {

            return new ServerSocketChannelImpl(provider(), fd, false);

        } catch (IOException ioe) {

            throw new AssertionError(ioe);

        }

    }

}