/***************************************************************************
* Copyright (C) 2008-2009 by Fabrizio Montesi <famontesi@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program 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 Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package jolie.net;
import jolie.net.ports.OutputPort;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
import javax.bluetooth.BTL2CapHelper;
import javax.bluetooth.L2CAPConnection;
import javax.bluetooth.ServiceRecord;
import javax.microedition.io.Connector;
import jolie.net.ext.CommChannelFactory;
import jolie.runtime.AndJarDeps;
@AndJarDeps({"bluetooth.jar"})
public class BTL2CapChannelFactory extends CommChannelFactory
{
private final static int cacheLimit = 1000; // Must be > 0
private final Map< String, Map< String, ServiceRecord > > serviceCache =
new HashMap< String, Map< String, ServiceRecord > > ();
public BTL2CapChannelFactory( CommCore commCore )
{
super( commCore );
}
public ServiceRecord getFromServiceCache( String btAddr, String uuidStr )
{
ServiceRecord r = null;
try {
r = serviceCache.get( btAddr ).get( uuidStr );
} catch( NullPointerException e ) {}
return r;
}
public void putInServiceCache( String btAddr, String uuidStr, ServiceRecord record )
{
if ( serviceCache.size() > cacheLimit ) {
serviceCache.remove( serviceCache.keySet().iterator().next() );
}
Map< String, ServiceRecord > map = serviceCache.get( btAddr );
if ( map == null ) {
map = new HashMap< String, ServiceRecord > ();
serviceCache.put( btAddr, map );
}
if ( map.size() > cacheLimit ) {
map.remove( map.keySet().iterator().next() );
}
map.put( uuidStr, record);
}
public CommChannel createChannel( URI uri, OutputPort port )
throws IOException
{
if ( uri.getHost() != null && uri.getHost().equals( "localhost" ) ) {
throw new IOException( "Malformed output btl2cap location: " + uri.toString() );
}
try {
String connectionURL = BTL2CapHelper.getConnectionURL( uri, this );
L2CAPConnection conn = (L2CAPConnection)Connector.open( connectionURL );
return new BTL2CapCommChannel( conn, uri, port.getProtocol() );
} catch( ClassCastException e ) {
throw new IOException( "CastException: malformed output btl2cap location: " + uri.toString() );
} catch( URISyntaxException e ) {
throw new IOException( e );
} catch( NullPointerException e ) {
throw new IOException( e );
}
}
}