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comparison src/org/tmatesoft/hg/internal/RepoInitializer.java @ 490:b3c16d1aede0

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Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 16 Aug 2012 17:08:34 +0200
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children ba36f66c32b4
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489:9c0138cda59a 490:b3c16d1aede0
1 /*
2 * Copyright (c) 2012 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@hg4j.com
16 */
17 package org.tmatesoft.hg.internal;
18
19 import static org.tmatesoft.hg.internal.RequiresFile.*;
20
21 import java.io.File;
22 import java.io.FileOutputStream;
23 import java.io.IOException;
24 import java.nio.charset.Charset;
25
26 import org.tmatesoft.hg.core.SessionContext;
27 import org.tmatesoft.hg.util.PathRewrite;
28
29 /**
30 * Responsible of `requires` processing both on repo read and repo write
31 * XXX needs better name, perhaps
32 *
33 * @author Artem Tikhomirov
34 * @author TMate Software Ltd.
35 */
36 public class RepoInitializer {
37 private int requiresFlags;
38
39 public RepoInitializer() {
40 }
41
42 public RepoInitializer setRequires(int flags) {
43 requiresFlags = flags;
44 return this;
45 }
46
47 public int getRequires() {
48 return requiresFlags;
49 }
50
51 public void initEmptyRepository(File hgDir) throws IOException {
52 hgDir.mkdir();
53 FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires"));
54 StringBuilder sb = new StringBuilder(40);
55 sb.append("revlogv1\n");
56 if ((requiresFlags & STORE) != 0) {
57 sb.append("store\n");
58 }
59 if ((requiresFlags & FNCACHE) != 0) {
60 sb.append("fncache\n");
61 }
62 if ((requiresFlags & DOTENCODE) != 0) {
63 sb.append("dotencode\n");
64 }
65 requiresFile.write(sb.toString().getBytes());
66 requiresFile.close();
67 new File(hgDir, "store").mkdir(); // with that, hg verify says ok.
68 }
69
70 public PathRewrite buildDataFilesHelper(SessionContext ctx) {
71 Charset cs = Internals.getFileEncoding(ctx);
72 // StoragePathHelper needs fine-grained control over char encoding, hence doesn't use EncodingHelper
73 return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0, cs);
74 }
75 }