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annotate 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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490
b3c16d1aede0 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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1 /*
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2 * Copyright (c) 2012 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
b3c16d1aede0 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)
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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 static org.tmatesoft.hg.internal.RequiresFile.*;
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20
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21 import java.io.File;
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22 import java.io.FileOutputStream;
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23 import java.io.IOException;
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24 import java.nio.charset.Charset;
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25
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26 import org.tmatesoft.hg.core.SessionContext;
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27 import org.tmatesoft.hg.util.PathRewrite;
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28
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29 /**
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30 * Responsible of `requires` processing both on repo read and repo write
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31 * XXX needs better name, perhaps
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32 *
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33 * @author Artem Tikhomirov
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34 * @author TMate Software Ltd.
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35 */
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36 public class RepoInitializer {
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37 private int requiresFlags;
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38
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39 public RepoInitializer() {
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40 }
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41
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42 public RepoInitializer setRequires(int flags) {
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43 requiresFlags = flags;
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44 return this;
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45 }
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46
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47 public int getRequires() {
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48 return requiresFlags;
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49 }
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50
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51 public void initEmptyRepository(File hgDir) throws IOException {
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52 hgDir.mkdir();
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53 FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires"));
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54 StringBuilder sb = new StringBuilder(40);
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55 sb.append("revlogv1\n");
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56 if ((requiresFlags & STORE) != 0) {
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57 sb.append("store\n");
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58 }
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59 if ((requiresFlags & FNCACHE) != 0) {
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60 sb.append("fncache\n");
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61 }
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62 if ((requiresFlags & DOTENCODE) != 0) {
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63 sb.append("dotencode\n");
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64 }
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65 requiresFile.write(sb.toString().getBytes());
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66 requiresFile.close();
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67 new File(hgDir, "store").mkdir(); // with that, hg verify says ok.
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68 }
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69
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70 public PathRewrite buildDataFilesHelper(SessionContext ctx) {
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71 Charset cs = Internals.getFileEncoding(ctx);
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72 // StoragePathHelper needs fine-grained control over char encoding, hence doesn't use EncodingHelper
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73 return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0, cs);
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74 }
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75 }