/**

  * Quoridor server and related libraries

  * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program 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 3 of the License.

  *

  * 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 General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://www.gnu.org/licenses/.

  */

 package cz.xelfi.quoridor.desktop.sample;

 import com.sun.jersey.api.client.Client;

 import com.sun.jersey.api.client.GenericType;

 import com.sun.jersey.api.client.UniformInterfaceException;

 import com.sun.jersey.api.client.WebResource;

 import cz.xelfi.quoridor.webidor.Game;

 import cz.xelfi.quoridor.webidor.GameId;

 import java.util.List;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 import javax.ws.rs.core.MediaType;

 import org.openide.util.Lookup;

 /** Class that connects to the server and answers queries.

  *

  * @author Jaroslav Tulach

  */

 abstract class Quoridor {

     private static Quoridor q;

     public static Quoridor getDefault() {

         if (q != null) {

             return q;

         }

         q = Lookup.getDefault().lookup(Quoridor.class);

         if (q == null) {

             q = new Impl();

         }

         return q;

     }

     public abstract List<GameId> listGames();

     public abstract Game getGame(String id);

     public abstract boolean login(String login, String password);

     private static class Impl extends Quoridor {

         private final WebResource wr;

         private String id = "";

         private static final Logger LOG = Logger.getLogger(Impl.class.getName());

         public Impl() {

             Client c = new Client();

             wr = c.resource("http://quoridor.xelfi.cz/api/");

         }

         @Override

         public List<GameId> listGames() {

             GenericType<List<GameId>> gType = new GenericType<List<GameId>>() {};

             List<GameId> ids = wr.path("games").queryParam("loginID", id).

                 accept(MediaType.TEXT_XML).get(gType);

             return ids;

         }

         @Override

         public Game getGame(String id) {

             Game g = wr.path("games").path(id).queryParam("loginID", id).

                 accept(MediaType.TEXT_XML).get(Game.class);

             return g;

         }

         @Override

         public boolean login(String login, String password) {

             try {

                 id = wr.path("login").queryParam("name", login).

                     queryParam("password", password).put(String.class);

                 return id != null;

             } catch (UniformInterfaceException ex) {

                 LOG.log(Level.INFO, "Cannot login", ex);

                 return false;

             }

         }

     }

 }