gcc/libjava/java/nio/channels/ServerSocketChannel.java

/* ServerSocketChannel.java -- 
   Copyright (C) 2002 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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General Public License for more details.

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02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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permission to link this library with independent modules to produce an
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package java.nio.channels;

import java.nio.channels.spi.AbstractSelectableChannel;
import java.nio.channels.spi.SelectorProvider;
import java.io.IOException;
import java.net.ServerSocket;

/**
 * @author Michael Koch
 * @since 1.4
 */
public abstract class ServerSocketChannel
  extends AbstractSelectableChannel
{
  /**
   * Initializes this channel.
   */
  protected ServerSocketChannel (SelectorProvider provider)
  {
    super (provider);
  }
  
  /**
   * Accepts a connection made to this channel's socket.
   *
   * @exception IOException If an error occurs
   * @exception AsynchronousCloseException If another thread closes this
   * channel while the accept operation is in progress.
   * @exception ClosedByInterruptException If another thread interrupts the
   * current thread while the accept operation is in progress, thereby closing
   * the channel and setting the current thread's interrupt status.
   * @exception ClosedChannelException If the channel is closed.
   * @exception NotYetBoundException If the channel's socket is not yet bound.
   * @exception SecurityException If a security manager has been installed and
   * it does not permit access to the remote endpoint of the new connection.
   */
  public abstract SocketChannel accept () throws IOException;
  
  /**
   * Retrieves the channels socket.
   */
  public abstract ServerSocket socket ();
    
  /**
   * Opens a server socket channel.
   *
   * @exception IOException If an error occurs
   */
  public static ServerSocketChannel open () throws IOException
  {
    return SelectorProvider.provider ().openServerSocketChannel ();
  }

  /**
   * Retrieves the valid operations for this channel.
   */
  public final int validOps ()
  {
    return SelectionKey.OP_ACCEPT;
  } 
}