tikhomirov@112: /*
tikhomirov@112:  * Copyright (c) 2011 TMate Software Ltd
tikhomirov@112:  *  
tikhomirov@112:  * This program is free software; you can redistribute it and/or modify
tikhomirov@112:  * it under the terms of the GNU General Public License as published by
tikhomirov@112:  * the Free Software Foundation; version 2 of the License.
tikhomirov@112:  *
tikhomirov@112:  * This program is distributed in the hope that it will be useful,
tikhomirov@112:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@112:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@112:  * GNU General Public License for more details.
tikhomirov@112:  *
tikhomirov@112:  * For information on how to redistribute this software under
tikhomirov@112:  * the terms of a license other than GNU General Public License
tikhomirov@112:  * contact TMate Software at support@svnkit.com
tikhomirov@112:  */
tikhomirov@112: package org.tmatesoft.hg.internal;
tikhomirov@112: 
tikhomirov@112: import java.nio.ByteBuffer;
tikhomirov@112: 
tikhomirov@112: import org.tmatesoft.hg.core.Path;
tikhomirov@112: import org.tmatesoft.hg.repo.HgRepository;
tikhomirov@112: 
tikhomirov@112: /**
tikhomirov@112:  *
tikhomirov@112:  * @author Artem Tikhomirov
tikhomirov@112:  * @author TMate Software Ltd.
tikhomirov@112:  */
tikhomirov@112: public interface Filter {
tikhomirov@112: 
tikhomirov@112: 	ByteBuffer filter(ByteBuffer src);
tikhomirov@112: 
tikhomirov@112: 	interface Factory {
tikhomirov@114: 		void initialize(HgRepository hgRepo, ConfigFile cfg);
tikhomirov@114: 		// may return null if for a given path and/or options this filter doesn't make any sense
tikhomirov@114: 		Filter create(Path path, Options opts);
tikhomirov@113: 	}
tikhomirov@113: 
tikhomirov@113: 	enum Direction {
tikhomirov@113: 		FromRepo, ToRepo
tikhomirov@113: 	}
tikhomirov@113: 
tikhomirov@114: 	public class Options {
tikhomirov@114: 
tikhomirov@114: 		private final Direction direction;
tikhomirov@114: 		public Options(Direction dir) {
tikhomirov@114: 			direction = dir;
tikhomirov@114: 		}
tikhomirov@114: 		
tikhomirov@114: 		Direction getDirection() {
tikhomirov@114: 			return direction;
tikhomirov@114: 		}
tikhomirov@114: 
tikhomirov@112: 	}
tikhomirov@112: }