Examples of java.nio.channels.SelectionKey.channel()

java.nio.channels.SelectionKey.channel()
Gets the channel of this key. @return the channel of this key


            if (session == null)
                break;
            else {
                SelectionKey key = session.getSelectionKey();
                DatagramChannel ch = (DatagramChannel) key.channel();
                try {
                    ch.disconnect();
                    ch.close();
                } catch (IOException e) {
                    ExceptionMonitor.getInstance().exceptionCaught(e);

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                if (!key.isAcceptable()) {
                    continue;
                }


                ServerSocketChannel ssc = (ServerSocketChannel) key.channel();


                SocketChannel ch = ssc.accept();


                if (ch == null) {
                    continue;

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        Iterator<SelectionKey> it = keys.iterator();
        while (it.hasNext()) {
            SelectionKey key = it.next();
            it.remove();


            DatagramChannel ch = (DatagramChannel) key.channel();


            RegistrationRequest req = (RegistrationRequest) key.attachment();
            try {
                if (key.isReadable()) {
                    readSession(ch, req);

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            if( session == null )
                break;
            else
            {
                SelectionKey key = session.getSelectionKey();
                DatagramChannel ch = ( DatagramChannel ) key.channel();
                try
                {
                    ch.disconnect();
                    ch.close();
                }

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        while( it.hasNext() )
        {
            SelectionKey key = ( SelectionKey ) it.next();
            it.remove();


            DatagramChannel ch = ( DatagramChannel ) key.channel();


            RegistrationRequest req = ( RegistrationRequest ) key.attachment();
            DatagramSession session = new DatagramSession(
                    filters, ch, req.handler );
            session.setSelectionKey( key );

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                if( !key.isAcceptable() )
                {
                    continue;
                }
   
                ServerSocketChannel ssc = ( ServerSocketChannel ) key.channel();
   
                SocketChannel ch = ssc.accept();
   
                if( ch == null )
                {

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            SelectionKey key = ( SelectionKey ) it.next();


            if( !key.isConnectable() )
                continue;


            SocketChannel ch = ( SocketChannel ) key.channel();
            ConnectionRequest entry = ( ConnectionRequest ) key.attachment();


            try
            {
                ch.finishConnect();

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                    entry.notify();
                }


                try
                {
                    key.channel().close();
                }
                catch( IOException e )
                {
                    exceptionMonitor.exceptionCaught( this, e );
                }

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                        // full list of known addresses, followed by the "end"
                        // address to signal that we are done.


                        // Afterward we will only pulls our heartbeat


                        ServerSocketChannel server = (ServerSocketChannel) key.channel();
                        SocketChannel client = server.accept();
                        InetSocketAddress address = (InetSocketAddress) client.socket().getRemoteSocketAddress();


                        client.configureBlocking(false);

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      } else {
    // Ok, something is very bad here, try to shutdown the channel
    // and hope that we handle it ok elsewhere...
    logger.logError ("Bad handler for:" + sk + ": " + a);
    sk.cancel ();
    sk.channel ().close ();
      }
  }
  selected.clear ();
    }

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