/*

 * Copyright (c) 2019, 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.io.InputStream;

import java.io.OutputStream;

import java.net.InetAddress;

import java.net.SocketAddress;

import java.net.SocketImpl;

import java.net.SocketOption;

import java.security.AccessController;

import java.security.PrivilegedAction;

import java.util.Set;

/**

 * Dummy SocketImpl for use by the socket adaptors. All methods are overridden

 * to throw an error.

 */

class DummySocketImpl extends SocketImpl {

    private static final PrivilegedAction<SocketImpl> NEW = DummySocketImpl::new;

    private DummySocketImpl() { }

    static SocketImpl create() {

        return AccessController.doPrivileged(NEW);

    }

    private static <T> T shouldNotGetHere() {

        throw new InternalError("Should not get here");

    }

    @Override

    protected void create(boolean stream) {

        shouldNotGetHere();

    }

    @Override

    protected void connect(SocketAddress remote, int millis) {

        shouldNotGetHere();

    }

    @Override

    protected void connect(String host, int port) {

        shouldNotGetHere();

    }

    @Override

    protected void connect(InetAddress address, int port) {

        shouldNotGetHere();

    }

    @Override

    protected void bind(InetAddress host, int port) {

        shouldNotGetHere();

    }

    @Override

    protected void listen(int backlog) {

        shouldNotGetHere();

    }

    @Override

    protected void accept(SocketImpl si) {

        shouldNotGetHere();

    }

    @Override

    protected InputStream getInputStream() {

        return shouldNotGetHere();

    }

    @Override

    protected OutputStream getOutputStream() {

        return shouldNotGetHere();

    }

    @Override

    protected int available() {

        return shouldNotGetHere();

    }

    @Override

    protected void close() {

        shouldNotGetHere();

    }

    @Override

    protected Set<SocketOption<?>> supportedOptions() {

        return shouldNotGetHere();

    }

    @Override

    protected <T> void setOption(SocketOption<T> opt, T value) {

        shouldNotGetHere();

    }

    @Override

    protected <T> T getOption(SocketOption<T> opt) {

        return shouldNotGetHere();

    }

    @Override

    public void setOption(int opt, Object value) {

        shouldNotGetHere();

    }

    @Override

    public Object getOption(int opt) {

        return shouldNotGetHere();

    }

    @Override

    protected void shutdownInput() {

        shouldNotGetHere();

    }

    @Override

    protected void shutdownOutput() {

        shouldNotGetHere();

    }

    @Override

    protected boolean supportsUrgentData() {

        return shouldNotGetHere();

    }

    @Override

    protected void sendUrgentData(int data) {

        shouldNotGetHere();

    }

}