Java example source code file (PlainSocketImpl.java)

This example Java source code file (PlainSocketImpl.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractplainsocketimpl, ioexception, object, plainsocketimpl, socketexception

The PlainSocketImpl.java Java example source code

/*
 * Copyright (c) 2007, 2008, 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.IOException;
import java.io.FileDescriptor;

/*
 * On Unix systems we simply delegate to native methods.
 *
 * @author Chris Hegarty
 */

class PlainSocketImpl extends AbstractPlainSocketImpl
{
    static {
        initProto();
    }

    /**
     * Constructs an empty instance.
     */
    PlainSocketImpl() { }

    /**
     * Constructs an instance with the given file descriptor.
     */
    PlainSocketImpl(FileDescriptor fd) {
        this.fd = fd;
    }

    native void socketCreate(boolean isServer) throws IOException;

    native void socketConnect(InetAddress address, int port, int timeout)
        throws IOException;

    native void socketBind(InetAddress address, int port)
        throws IOException;

    native void socketListen(int count) throws IOException;

    native void socketAccept(SocketImpl s) throws IOException;

    native int socketAvailable() throws IOException;

    native void socketClose0(boolean useDeferredClose) throws IOException;

    native void socketShutdown(int howto) throws IOException;

    static native void initProto();

    native void socketSetOption(int cmd, boolean on, Object value)
        throws SocketException;

    native int socketGetOption(int opt, Object iaContainerObj) throws SocketException;

    native void socketSendUrgentData(int data) throws IOException;

}