mirror of git://gcc.gnu.org/git/gcc.git
107 lines
3.4 KiB
Java
107 lines
3.4 KiB
Java
/* NIOServerSocket.java --
|
|
Copyright (C) 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 gnu.java.net.PlainSocketImpl;
|
|
|
|
import java.io.IOException;
|
|
import java.lang.reflect.Method;
|
|
import java.net.ServerSocket;
|
|
import java.net.Socket;
|
|
import java.nio.channels.ServerSocketChannel;
|
|
import java.nio.channels.SocketChannel;
|
|
import java.security.AccessController;
|
|
import java.security.PrivilegedExceptionAction;
|
|
|
|
/**
|
|
* @author Michael Koch (konqueror@gmx.de)
|
|
*/
|
|
public final class NIOServerSocket extends ServerSocket
|
|
{
|
|
private ServerSocketChannelImpl channel;
|
|
|
|
protected NIOServerSocket (ServerSocketChannelImpl channel)
|
|
throws IOException
|
|
{
|
|
super();
|
|
this.channel = channel;
|
|
}
|
|
|
|
public PlainSocketImpl getPlainSocketImpl()
|
|
{
|
|
try
|
|
{
|
|
final Object t = this;
|
|
final Method method = ServerSocket.class.getDeclaredMethod("getImpl", new Class[0]);
|
|
method.setAccessible(true);
|
|
PrivilegedExceptionAction action = new PrivilegedExceptionAction()
|
|
{
|
|
public Object run() throws Exception
|
|
{
|
|
return method.invoke(t, new Object[0]);
|
|
}
|
|
};
|
|
return (PlainSocketImpl) AccessController.doPrivileged(action);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
// This should never happen.
|
|
Error error = new InternalError("unable to invoke method ServerSocket.getImpl()");
|
|
error.initCause(e);
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
public ServerSocketChannel getChannel()
|
|
{
|
|
return channel;
|
|
}
|
|
|
|
public Socket accept() throws IOException
|
|
{
|
|
SecurityManager sm = System.getSecurityManager();
|
|
if (sm != null)
|
|
sm.checkListen (getLocalPort());
|
|
|
|
SocketChannel socketChannel = channel.provider().openSocketChannel();
|
|
implAccept (socketChannel.socket());
|
|
return socketChannel.socket();
|
|
}
|
|
}
|