annotate src/org/tmatesoft/hg/internal/RequiresFile.java @ 158:b413b16d10a5

Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 09 Mar 2011 13:16:37 +0100
parents a3a2e5deb320
children 71ddbf8603e8
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.io.BufferedReader;
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20 import java.io.File;
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21 import java.io.FileInputStream;
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22 import java.io.IOException;
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23 import java.io.InputStreamReader;
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24
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25 /**
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26 *
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27 * @author Artem Tikhomirov
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28 * @author TMate Software Ltd.
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29 */
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30 public class RequiresFile {
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31 public static final int STORE = 1;
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32 public static final int FNCACHE = 2;
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33 public static final int DOTENCODE = 4;
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34
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35 public RequiresFile() {
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36 }
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37
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38 public void parse(Internals repoImpl, File requiresFile) {
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39 if (!requiresFile.exists()) {
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40 return;
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41 }
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42 try {
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43 boolean revlogv1 = false;
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44 boolean store = false;
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45 boolean fncache = false;
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46 boolean dotencode = false;
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47 BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(requiresFile)));
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48 String line;
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49 while ((line = br.readLine()) != null) {
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50 revlogv1 |= "revlogv1".equals(line);
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51 store |= "store".equals(line);
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52 fncache |= "fncache".equals(line);
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53 dotencode |= "dotencode".equals(line);
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54 }
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55 int flags = 0;
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56 flags += store ? 1 : 0;
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57 flags += fncache ? 2 : 0;
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58 flags += dotencode ? 4 : 0;
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59 repoImpl.setStorageConfig(revlogv1 ? 1 : 0, flags);
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60 } catch (IOException ex) {
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61 ex.printStackTrace(); // FIXME log
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62 }
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63 }
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64 }