tikhomirov@501: /*
tikhomirov@501:  * Copyright (c) 2012 TMate Software Ltd
tikhomirov@501:  *  
tikhomirov@501:  * This program is free software; you can redistribute it and/or modify
tikhomirov@501:  * it under the terms of the GNU General Public License as published by
tikhomirov@501:  * the Free Software Foundation; version 2 of the License.
tikhomirov@501:  *
tikhomirov@501:  * This program is distributed in the hope that it will be useful,
tikhomirov@501:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@501:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@501:  * GNU General Public License for more details.
tikhomirov@501:  *
tikhomirov@501:  * For information on how to redistribute this software under
tikhomirov@501:  * the terms of a license other than GNU General Public License
tikhomirov@501:  * contact TMate Software at support@hg4j.com
tikhomirov@501:  */
tikhomirov@501: package org.tmatesoft.hg.repo.ext;
tikhomirov@501: 
tikhomirov@501: import org.tmatesoft.hg.internal.Internals;
tikhomirov@501: import org.tmatesoft.hg.repo.HgRepoConfig;
tikhomirov@501: 
tikhomirov@501: /**
tikhomirov@501:  * 
tikhomirov@501:  * @author Artem Tikhomirov
tikhomirov@501:  * @author TMate Software Ltd.
tikhomirov@501:  */
tikhomirov@501: public abstract class HgExtensionsManager {
tikhomirov@501: 	
tikhomirov@501: 	public enum HgExt { 
tikhomirov@501: 		MQ ("mq"), Rebase("rebase");
tikhomirov@501: 		
tikhomirov@501: 		private final String mercurialExtName;
tikhomirov@501: 
tikhomirov@501: 		private HgExt(String nativeName) {
tikhomirov@501: 			mercurialExtName = nativeName;
tikhomirov@501: 		}
tikhomirov@501: 		
tikhomirov@501: 		String getNativeName() {
tikhomirov@501: 			return mercurialExtName;
tikhomirov@501: 		}
tikhomirov@501: 	}
tikhomirov@501: 	
tikhomirov@501: 	private final Internals repo;
tikhomirov@501: 	private MqManager mqExt;
tikhomirov@501: 	private Rebase rebaseExt;
tikhomirov@501: 
tikhomirov@501: 	protected HgExtensionsManager(Internals internalRepo) {
tikhomirov@501: 		repo = internalRepo;
tikhomirov@501: 	}
tikhomirov@501: 
tikhomirov@501: 	public boolean isEnabled(HgExt e) {
tikhomirov@501: 		HgRepoConfig cfg = repo.getRepo().getConfiguration();
tikhomirov@501: 		return cfg.getExtensions().isEnabled(e.getNativeName());
tikhomirov@501: 	}
tikhomirov@501: 
tikhomirov@501: 	public Rebase getRebaseExtension() {
tikhomirov@501: 		if (rebaseExt == null && isEnabled(HgExt.Rebase)) {
tikhomirov@501: 			rebaseExt = new Rebase(repo);
tikhomirov@501: 		}
tikhomirov@501: 		return rebaseExt;
tikhomirov@501: 	}
tikhomirov@501: 	
tikhomirov@501: 	public MqManager getMQ() {
tikhomirov@501: 		if (mqExt == null && isEnabled(HgExt.MQ)) {
tikhomirov@501: 			mqExt = new MqManager(repo);
tikhomirov@501: 		}
tikhomirov@501: 		return mqExt;
tikhomirov@501: 	}
tikhomirov@501: }