| /* ServerSocketChannelImpl.java -- |
| Copyright (C) 2002, 2003, 2004 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 |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.nio; |
| |
| import java.io.IOException; |
| import java.net.ServerSocket; |
| import java.net.SocketTimeoutException; |
| import java.nio.channels.ClosedChannelException; |
| import java.nio.channels.NotYetBoundException; |
| import java.nio.channels.ServerSocketChannel; |
| import java.nio.channels.SocketChannel; |
| import java.nio.channels.spi.SelectorProvider; |
| |
| public final class ServerSocketChannelImpl extends ServerSocketChannel |
| { |
| private NIOServerSocket serverSocket; |
| private boolean connected; |
| |
| protected ServerSocketChannelImpl (SelectorProvider provider) |
| throws IOException |
| { |
| super (provider); |
| serverSocket = new NIOServerSocket (this); |
| configureBlocking(true); |
| } |
| |
| public void finalizer() |
| { |
| if (connected) |
| { |
| try |
| { |
| close (); |
| } |
| catch (Exception e) |
| { |
| } |
| } |
| } |
| |
| protected void implCloseSelectableChannel () throws IOException |
| { |
| connected = false; |
| serverSocket.close(); |
| } |
| |
| protected void implConfigureBlocking (boolean blocking) throws IOException |
| { |
| serverSocket.setSoTimeout (blocking ? 0 : NIOConstants.DEFAULT_TIMEOUT); |
| } |
| |
| public SocketChannel accept () throws IOException |
| { |
| if (!isOpen()) |
| throw new ClosedChannelException(); |
| |
| if (!serverSocket.isBound()) |
| throw new NotYetBoundException(); |
| |
| boolean completed = false; |
| |
| try |
| { |
| begin(); |
| serverSocket.getPlainSocketImpl().setInChannelOperation(true); |
| // indicate that a channel is initiating the accept operation |
| // so that the socket ignores the fact that we might be in |
| // non-blocking mode. |
| NIOSocket socket = (NIOSocket) serverSocket.accept(); |
| completed = true; |
| return socket.getChannel(); |
| } |
| catch (SocketTimeoutException e) |
| { |
| return null; |
| } |
| finally |
| { |
| serverSocket.getPlainSocketImpl().setInChannelOperation(false); |
| end (completed); |
| } |
| } |
| |
| public ServerSocket socket () |
| { |
| return serverSocket; |
| } |
| } |