Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/BundleSerializer.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents 545b1d4cc11d
children
rev   line source
673
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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1 /*
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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2 * Copyright (c) 2013 TMate Software Ltd
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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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
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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6 * the Free Software Foundation; version 2 of the License.
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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7 *
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8 * This program is distributed in the hope that it will be useful,
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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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
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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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.File;
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20 import java.io.FileInputStream;
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21 import java.io.IOException;
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22
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23 import org.tmatesoft.hg.core.HgIOException;
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24 import org.tmatesoft.hg.core.SessionContext;
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25 import org.tmatesoft.hg.repo.HgBundle;
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26 import org.tmatesoft.hg.repo.HgInternals;
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27 import org.tmatesoft.hg.repo.HgRuntimeException;
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28 import org.tmatesoft.hg.util.LogFacility;
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29
545b1d4cc11d Refactor HgBundle.GroupElement (clear experimental mark), resolve few technical debt issues
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30 /**
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31 *
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32 * @author Artem Tikhomirov
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33 * @author TMate Software Ltd.
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34 */
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35 public class BundleSerializer implements DataSerializer.DataSource {
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36 private final LogFacility log;
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37 private final File bundleFile;
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38
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39 public static BundleSerializer newInstance(SessionContext ctx, HgBundle bundle) {
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40 return new BundleSerializer(ctx.getLog(), HgInternals.getBundleFile(bundle));
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41 }
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42
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43 public BundleSerializer(LogFacility logFacility, File bundleFile) {
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44 log = logFacility;
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45 this.bundleFile = bundleFile;
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46 }
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47
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48 public void serialize(DataSerializer out) throws HgIOException, HgRuntimeException {
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49 FileInputStream fis = null;
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50 try {
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51 fis = new FileInputStream(bundleFile);
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52 byte[] buffer = new byte[8*1024];
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53 int r;
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54 while ((r = fis.read(buffer, 0, buffer.length)) > 0) {
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55 out.write(buffer, 0, r);
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56 }
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57
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58 } catch (IOException ex) {
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59 throw new HgIOException("Failed to serialize bundle", bundleFile);
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60 } finally {
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61 new FileUtils(log, this).closeQuietly(fis, bundleFile);
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62 }
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63 }
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64
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65 public int serializeLength() throws HgRuntimeException {
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66 return Internals.ltoi(bundleFile.length());
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67 }
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68 }