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+/* 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.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
+ implements VMChannelOwner
+{
+ private VMChannel channel;
+ private NIOServerSocket serverSocket;
+ private boolean connected;
+
+ protected ServerSocketChannelImpl (SelectorProvider provider)
+ throws IOException
+ {
+ super (provider);
+ serverSocket = new NIOServerSocket(this);
+ channel = serverSocket.getPlainSocketImpl().getVMChannel();
+ configureBlocking(true);
+ }
+
+ // XXX do we need this?
+ public void finalizer()
+ {
+ if (channel.getState().isValid())
+ {
+ try
+ {
+ close ();
+ }
+ catch (Exception e)
+ {
+ }
+ }
+ }
+
+ protected void implCloseSelectableChannel () throws IOException
+ {
+ connected = false;
+ channel.close();
+ }
+
+ protected void implConfigureBlocking (boolean blocking) throws IOException
+ {
+ channel.setBlocking(blocking);
+ }
+
+ public SocketChannel accept () throws IOException
+ {
+ if (!isOpen())
+ throw new ClosedChannelException();
+
+ if (!serverSocket.isBound())
+ throw new NotYetBoundException();
+
+ boolean completed = false;
+
+ try
+ {
+ begin();
+ VMChannel client = channel.accept();
+ if (client == null)
+ return null;
+ else
+ {
+ completed = true;
+ return new SocketChannelImpl(provider(), client, false);
+ }
+ }
+ finally
+ {
+ end (completed);
+ }
+ }
+
+ public ServerSocket socket()
+ {
+ return serverSocket;
+ }
+
+ public VMChannel getVMChannel()
+ {
+ return channel;
+ }
+}