content: /*
   * Copyright 2014 Hannes Janetzek
   *
   * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
   *
   * This program is free software: you can redistribute it and/or modify it under the
   * terms of the GNU Lesser General Public License as published by the Free Software
   * Foundation, either version 3 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 Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License along with
   * this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package org.oscim.tiling.source;
  
  import org.oscim.core.Tile;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  public interface HttpEngine {
  
      InputStream read() throws IOException;
  
      void sendRequest(Tile tile) throws IOException;
  
      void close();
  
      void setCache(OutputStream os);
  
      /**
       * @param success maybe false when tile could not be decoded.
       *                Dont write cache in this case, close socket, etc
       *                at your option.
       * @return true when everything went ok
       */
      boolean requestCompleted(boolean success);
  
      public interface Factory {
          HttpEngine create(UrlTileSource tileSource);
      }
  
  }
  