libjava/java/net/SocketImpl.java

   1 // SocketImpl.java - Abstract socket implementation.
   2
   3 /* Copyright (C) 1999  Red Hat, Inc.
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 package java.net;
  12 import java.io.*;
  13
  14 /**
  15   * @author Per Bothner <bothner@cygnus.com>
  16   * @date January 6, 1999.
  17   */
  18
  19 /** Written using on-line Java Platform 1.2 API Specification.
  20   * Believed complete and correct.
  21   */
  22
  23 public abstract class SocketImpl implements SocketOptions
  24 {
  25   protected InetAddress address;
  26
  27   protected FileDescriptor fd;
  28
  29   protected int localport;
  30
  31   protected int port;
  32
  33   public SocketImpl ()
  34   {
  35   }
  36
  37   protected abstract void create (boolean stream) throws IOException;
  38
  39   protected abstract void connect (String host, int port) throws IOException;
  40
  41   protected abstract void connect (InetAddress host, int port)
  42     throws IOException;
  43
  44   protected abstract void bind (InetAddress host, int port) throws IOException;
  45
  46   protected abstract void listen (int backlog) throws IOException;
  47
  48   protected abstract void accept (SocketImpl s) throws IOException;
  49
  50   protected abstract InputStream getInputStream() throws IOException;
  51
  52   protected abstract OutputStream getOutputStream() throws IOException;
  53
  54   protected abstract int available () throws IOException;
  55
  56   protected abstract void close () throws IOException;
  57
  58   protected FileDescriptor getFileDescriptor () { return fd; }
  59
  60   protected InetAddress getInetAddress () { return address; }
  61
  62   protected int getPort () { return port; }
  63
  64   protected int getLocalPort () { return localport; }
  65
  66   public abstract Object getOption(int optID) throws SocketException;
  67
  68   public abstract void setOption(int optID, Object value)
  69     throws SocketException;
  70
  71   public String toString ()
  72   {
  73     return "[addr=" + address.toString() + ",port=" + Integer.toString(port) +
  74       ",localport=" + Integer.toString(localport) + "]";
  75   }
  76 }