/*

 * 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 java.net;

import java.io.FileDescriptor;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Objects;

import java.util.Set;

import sun.net.PlatformSocketImpl;

/**

 * A SocketImpl that delegates all methods to another SocketImpl.

 */

class DelegatingSocketImpl extends SocketImpl {

    protected final SocketImpl delegate;

    DelegatingSocketImpl(SocketImpl delegate) {

        assert delegate instanceof PlatformSocketImpl;

        this.delegate = Objects.requireNonNull(delegate);

    }

    final SocketImpl delegate() {

        return delegate;

    }

    @Override

    protected FileDescriptor getFileDescriptor() {

        return delegate.getFileDescriptor();

    }

    @Override

    protected InetAddress getInetAddress() {

        return delegate.getInetAddress();

    }

    @Override

    protected int getPort() {

        return delegate.getPort();

    }

    @Override

    protected int getLocalPort() {

        return delegate.getLocalPort();

    }

    @Override

    protected void create(boolean stream) throws IOException {

        delegate.create(stream);

    }

    @Override

    protected void connect(String host, int port) throws IOException {

        delegate.connect(host, port);

    }

    @Override

    protected void connect(InetAddress address, int port) throws IOException {

        delegate.connect(address, port);

    }

    @Override

    protected void connect(SocketAddress address, int timeout) throws IOException {

        delegate.connect(address, timeout);

    }

    @Override

    protected void bind(InetAddress host, int port) throws IOException {

        delegate.bind(host, port);

    }

    @Override

    protected void listen(int backlog) throws IOException {

        delegate.listen(backlog);

    }

    @Override

    protected void accept(SocketImpl s) throws IOException {

        delegate.accept(s);

    }

    @Override

    protected InputStream getInputStream() throws IOException {

        return delegate.getInputStream();

    }

    @Override

    protected OutputStream getOutputStream() throws IOException {

        return delegate.getOutputStream();

    }

    @Override

    protected int available() throws IOException {

        return delegate.available();

    }

    @Override

    protected void close() throws IOException {

        delegate.close();

    }

    @Override

    protected boolean supportsUrgentData() {

        return delegate.supportsUrgentData();

    }

    @Override

    protected void sendUrgentData(int data) throws IOException {

        delegate.sendUrgentData(data);

    }

    @Override

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

        return delegate.supportedOptions();

    }

    @Override

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

        delegate.setOption(opt, value);

    }

    @Override

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

        return delegate.getOption(opt);

    }

    @Override

    public void setOption(int optID, Object value) throws SocketException {

        delegate.setOption(optID, value);

    }

    @Override

    public Object getOption(int optID) throws SocketException {

        return delegate.getOption(optID);

    }

    @Override

    protected void shutdownInput() throws IOException {

        delegate.shutdownInput();

    }

    @Override

    protected void shutdownOutput() throws IOException {

        delegate.shutdownOutput();

    }

}