/*
 * (c) Copyright 2010 Talis Information Ltd.
 * All rights reserved.
 * [See end of file]
 */

package riot.comms.client;

import java.net.InetSocketAddress ;
import java.net.Socket ;

import riot.comms.TokenStreamEndpoint ;
import org.openjena.atlas.lib.Cache ;
import org.openjena.atlas.lib.CacheFactory ;
import org.openjena.atlas.lib.cache.Getter ;

/** An client endpoint that caches connections to a server */  
public class Client
{
    static Getter<InetSocketAddress, DirectChannel> getter = new Getter<InetSocketAddress, DirectChannel>(){
        @Override
        public DirectChannel get(InetSocketAddress addr)
        {
            return new DirectChannel(addr) ;
        }
    } ;
    // Eclipse bug?
    static Cache<InetSocketAddress, DirectChannel> cache1 = CacheFactory.createCacheUnbounded() ;
    static Cache<InetSocketAddress, DirectChannel> cache = CacheFactory.createCacheWithGetter(cache1, getter) ; 
    
    public static Socket getSocket(String hostname, int port)
    {
        InetSocketAddress addr = new InetSocketAddress(hostname, port) ;
        return cache.get(addr).getSocket() ;
    }
    
    public static TokenStreamEndpoint getTokenStream(String hostname, int port)
    {
        Socket socket = getSocket(hostname, port) ;
        String in = addrStr(hostname, port) ;
        String out = addrStr(hostname, port) ;
        return TokenStreamEndpoint.create(in, out, socket) ;
    }
    
    private static String addrStr(String hostname, int port)
    {
        return hostname+":"+port ;
    }
    
}

/*
 * (c) Copyright 2010 Talis Information Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */