kitaev@213: /*
kitaev@213:  * Copyright (c) 2011 TMate Software Ltd
kitaev@213:  *  
kitaev@213:  * This program is free software; you can redistribute it and/or modify
kitaev@213:  * it under the terms of the GNU General Public License as published by
kitaev@213:  * the Free Software Foundation; version 2 of the License.
kitaev@213:  *
kitaev@213:  * This program is distributed in the hope that it will be useful,
kitaev@213:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
kitaev@213:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
kitaev@213:  * GNU General Public License for more details.
kitaev@213:  *
kitaev@213:  * For information on how to redistribute this software under
kitaev@213:  * the terms of a license other than GNU General Public License
kitaev@213:  * contact TMate Software at support@hg4j.com
kitaev@213:  */
kitaev@213: package org.tmatesoft.hg.internal;
kitaev@213: 
kitaev@213: import java.io.BufferedReader;
kitaev@213: import java.io.File;
kitaev@213: import java.io.FileInputStream;
kitaev@213: import java.io.IOException;
kitaev@213: import java.io.InputStreamReader;
kitaev@213: 
kitaev@213: /**
kitaev@213:  *
kitaev@213:  * @author Artem Tikhomirov
kitaev@213:  * @author TMate Software Ltd.
kitaev@213:  */
kitaev@213: public class RequiresFile {
kitaev@213: 	public static final int STORE = 1;
kitaev@213: 	public static final int FNCACHE = 2;
kitaev@213: 	public static final int DOTENCODE = 4;
kitaev@213: 	
kitaev@213: 	public RequiresFile() {
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public void parse(Internals repoImpl, File requiresFile) {
kitaev@213: 		if (!requiresFile.exists()) {
kitaev@213: 			return;
kitaev@213: 		}
kitaev@213: 		try {
kitaev@213: 			boolean revlogv1 = false;
kitaev@213: 			boolean store = false;
kitaev@213: 			boolean fncache = false;
kitaev@213: 			boolean dotencode = false;
kitaev@213: 			BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(requiresFile)));
kitaev@213: 			String line;
kitaev@213: 			while ((line = br.readLine()) != null) {
kitaev@213: 				revlogv1 |= "revlogv1".equals(line);
kitaev@213: 				store |= "store".equals(line);
kitaev@213: 				fncache |= "fncache".equals(line);
kitaev@213: 				dotencode |= "dotencode".equals(line);
kitaev@213: 			}
kitaev@213: 			int flags = 0;
kitaev@213: 			flags += store ? STORE : 0;
kitaev@213: 			flags += fncache ? FNCACHE : 0;
kitaev@213: 			flags += dotencode ? DOTENCODE : 0;
kitaev@213: 			repoImpl.setStorageConfig(revlogv1 ? 1 : 0, flags);
kitaev@213: 		} catch (IOException ex) {
kitaev@213: 			ex.printStackTrace(); // FIXME log
kitaev@213: 		}
kitaev@213: 	}
kitaev@213: }