annotate src/org/tmatesoft/hg/repo/HgBundle.java @ 531:95c2f43008bd

Throw specific exception when checksum calculation fails
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 23 Jan 2013 18:03:13 +0100
parents 2f9ed6bcefa2
children 688c1ab113bb
rev   line source
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
2 * Copyright (c) 2011-2012 TMate Software Ltd
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
14 * the terms of a license other than GNU General Public License
102
a3a2e5deb320 Updated contact address to support@hg4j.com
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
15 * contact TMate Software at support@hg4j.com
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
17 package org.tmatesoft.hg.repo;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.File;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.io.IOException;
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
21 import java.util.ConcurrentModificationException;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
23 import org.tmatesoft.hg.core.Nodeid;
357
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
24 import org.tmatesoft.hg.core.SessionContext;
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 51 154
diff changeset
25 import org.tmatesoft.hg.internal.ByteArrayChannel;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 51 154
diff changeset
26 import org.tmatesoft.hg.internal.ByteArrayDataAccess;
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
27 import org.tmatesoft.hg.internal.Callback;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
28 import org.tmatesoft.hg.internal.DataAccess;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
29 import org.tmatesoft.hg.internal.DataAccessProvider;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
30 import org.tmatesoft.hg.internal.DigestHelper;
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
31 import org.tmatesoft.hg.internal.Experimental;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
32 import org.tmatesoft.hg.internal.InflaterDataAccess;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
33 import org.tmatesoft.hg.internal.Internals;
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
34 import org.tmatesoft.hg.internal.Lifecycle;
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
35 import org.tmatesoft.hg.internal.Patch;
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 129
diff changeset
36 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
37 import org.tmatesoft.hg.util.Adaptable;
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 51 154
diff changeset
38 import org.tmatesoft.hg.util.CancelledException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
39
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 /**
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
41 * WORK IN PROGRESS
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
42 *
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 * @see http://mercurial.selenic.com/wiki/BundleFormat
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
44 *
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
45 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
46 * @author TMate Software Ltd.
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 */
467
51d682cf9cdc Cleaned experimental tag and updated comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 427
diff changeset
48 @Experimental(reason="API is not stable")
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 public class HgBundle {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 private final File bundleFile;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 private final DataAccessProvider accessProvider;
357
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
53 // private final SessionContext sessionContext;
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
54 private Lifecycle.BasicCallback flowControl;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55
357
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
56 HgBundle(SessionContext ctx, DataAccessProvider dap, File bundle) {
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
57 // sessionContext = ctx;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 accessProvider = dap;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 bundleFile = bundle;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
62 private DataAccess getDataStream() throws IOException {
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
63 DataAccess da = accessProvider.create(bundleFile);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
64 byte[] signature = new byte[6];
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
65 if (da.length() > 6) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
66 da.readBytes(signature, 0, 6);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
67 if (signature[0] == 'H' && signature[1] == 'G' && signature[2] == '1' && signature[3] == '0') {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
68 if (signature[4] == 'G' && signature[5] == 'Z') {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
69 return new InflaterDataAccess(da, 6, da.length() - 6);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
70 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
71 if (signature[4] == 'B' && signature[5] == 'Z') {
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
72 throw Internals.notImplemented();
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
73 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
74 if (signature[4] != 'U' || signature[5] != 'N') {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
75 throw new HgInvalidStateException(String.format("Bad bundle signature: %s", String.valueOf(signature)));
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
76 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
77 // "...UN", fall-through
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
78 } else {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
79 da.reset();
39
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
80 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
81 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
82 return da;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
83 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
84
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
85 private int uses = 0;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
86 public HgBundle link() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
87 uses++;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
88 return this;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
89 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
90 public void unlink() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
91 uses--;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
92 if (uses == 0 && bundleFile != null) {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
93 bundleFile.deleteOnExit();
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
94 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
95 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
96 public boolean inUse() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
97 return uses > 0;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
98 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 182
diff changeset
99
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
100 /**
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
101 * Get changes recorded in the bundle that are missing from the supplied repository.
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
102 * @param hgRepo repository that shall possess base revision for this bundle
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
103 * @param inspector callback to get each changeset found
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
104 */
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
105 public void changes(final HgRepository hgRepo, final HgChangelog.Inspector inspector) throws HgRuntimeException {
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
106 Inspector bundleInsp = new Inspector() {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
107 DigestHelper dh = new DigestHelper();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
108 boolean emptyChangelog = true;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
109 private DataAccess prevRevContent;
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
110 private int revisionIndex;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
111
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
112 public void changelogStart() {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
113 emptyChangelog = true;
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
114 revisionIndex = 0;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
115 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
116
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
117 public void changelogEnd() {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
118 if (emptyChangelog) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
119 throw new IllegalStateException("No changelog group in the bundle"); // XXX perhaps, just be silent and/or log?
42
92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 41
diff changeset
120 }
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
121 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
122
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
123 /*
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
124 * Despite that BundleFormat wiki says: "Each Changelog entry patches the result of all previous patches
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
125 * (the previous, or parent patch of a given patch p is the patch that has a node equal to p's p1 field)",
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
126 * it seems not to hold true. Instead, each entry patches previous one, regardless of whether the one
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
127 * before is its parent (i.e. ge.firstParent()) or not.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
128 *
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
129 Actual state in the changelog.i
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
130 Index Offset Flags Packed Actual Base Rev Link Rev Parent1 Parent2 nodeid
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
131 50: 9212 0 209 329 48 50 49 -1 f1db8610da62a3e0beb8d360556ee1fd6eb9885e
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
132 51: 9421 0 278 688 48 51 50 -1 9429c7bd1920fab164a9d2b621d38d57bcb49ae0
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
133 52: 9699 0 154 179 52 52 50 -1 30bd389788464287cee22ccff54c330a4b715de5
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
134 53: 9853 0 133 204 52 53 51 52 a6f39e595b2b54f56304470269a936ead77f5725
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
135 54: 9986 0 156 182 54 54 52 -1 fd4f2c98995beb051070630c272a9be87bef617d
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
136
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
137 Excerpt from bundle (nodeid, p1, p2, cs):
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
138 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 26e3eeaa39623de552b45ee1f55c14f36460f220 0000000000000000000000000000000000000000 f1db8610da62a3e0beb8d360556ee1fd6eb9885e; patches:4
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
139 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 0000000000000000000000000000000000000000 9429c7bd1920fab164a9d2b621d38d57bcb49ae0; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
140 > 30bd389788464287cee22ccff54c330a4b715de5 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 0000000000000000000000000000000000000000 30bd389788464287cee22ccff54c330a4b715de5; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
141 a6f39e595b2b54f56304470269a936ead77f5725 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 30bd389788464287cee22ccff54c330a4b715de5 a6f39e595b2b54f56304470269a936ead77f5725; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
142 fd4f2c98995beb051070630c272a9be87bef617d 30bd389788464287cee22ccff54c330a4b715de5 0000000000000000000000000000000000000000 fd4f2c98995beb051070630c272a9be87bef617d; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
143
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
144 To recreate 30bd..e5, one have to take content of 9429..e0, not its p1 f1db..5e
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
145 */
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
146 public boolean element(GroupElement ge) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
147 emptyChangelog = false;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
148 HgChangelog changelog = hgRepo.getChangelog();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
149 try {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
150 if (prevRevContent == null) {
274
9fb50c04f03c Use Nodeid.isNull check instead of NULL.equals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 186
diff changeset
151 if (ge.firstParent().isNull() && ge.secondParent().isNull()) {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
152 prevRevContent = new ByteArrayDataAccess(new byte[0]);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
153 } else {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
154 final Nodeid base = ge.firstParent();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
155 if (!changelog.isKnown(base) /*only first parent, that's Bundle contract*/) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
156 throw new IllegalStateException(String.format("Revision %s needs a parent %s, which is missing in the supplied repo %s", ge.node().shortNotation(), base.shortNotation(), hgRepo.toString()));
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
157 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
158 ByteArrayChannel bac = new ByteArrayChannel();
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
159 changelog.rawContent(base, bac); // TODO post-1.0 get DataAccess directly, to avoid
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
160 // extra byte[] (inside ByteArrayChannel) duplication just for the sake of subsequent ByteArrayDataChannel wrap.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
161 prevRevContent = new ByteArrayDataAccess(bac.toArray());
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
162 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
163 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
164 //
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
165 byte[] csetContent = ge.apply(prevRevContent);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
166 dh = dh.sha1(ge.firstParent(), ge.secondParent(), csetContent); // XXX ge may give me access to byte[] content of nodeid directly, perhaps, I don't need DH to be friend of Nodeid?
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
167 if (!ge.node().equalsTo(dh.asBinary())) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
168 throw new HgInvalidStateException(String.format("Integrity check failed on %s, node: %s", bundleFile, ge.node().shortNotation()));
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
169 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
170 ByteArrayDataAccess csetDataAccess = new ByteArrayDataAccess(csetContent);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
171 RawChangeset cs = RawChangeset.parse(csetDataAccess);
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
172 inspector.next(revisionIndex++, ge.node(), cs);
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
173 prevRevContent.done();
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
174 prevRevContent = csetDataAccess.reset();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
175 } catch (CancelledException ex) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
176 return false;
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
177 } catch (IOException ex) {
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
178 throw new HgInvalidFileException("Invalid bundle file", ex, bundleFile); // TODO post-1.0 revisit exception handling
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
179 } catch (HgInvalidDataFormatException ex) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
180 throw new HgInvalidControlFileException("Invalid bundle file", ex, bundleFile);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
181 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
182 return true;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
183 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
184
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
185 public void manifestStart() {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
186 public void manifestEnd() {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
187 public void fileStart(String name) {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
188 public void fileEnd(String name) {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
189
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
190 };
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
191 inspectChangelog(bundleInsp);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
192 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
193
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
194 // callback to minimize amount of Strings and Nodeids instantiated
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
195 @Callback
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
196 public interface Inspector {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
197 void changelogStart();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
198
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
199 void changelogEnd();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
200
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
201 void manifestStart();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
202
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
203 void manifestEnd();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
204
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
205 void fileStart(String name);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
206
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
207 void fileEnd(String name);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
208
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
209 /**
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
210 * XXX desperately need exceptions here
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
211 * @param element data element, instance might be reused, don't keep a reference to it or its raw data
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
212 * @return <code>true</code> to continue
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
213 */
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
214 boolean element(GroupElement element);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
215 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
216
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
217 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
218 * @param inspector callback to visit changelog entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
219 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
220 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
221 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
222 public void inspectChangelog(Inspector inspector) throws HgRuntimeException {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
223 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
224 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
225 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
226 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
227 DataAccess da = null;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
228 try {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
229 da = getDataStream();
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
230 internalInspectChangelog(da, inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
231 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
232 throw new HgInvalidFileException("Bundle.inspectChangelog failed", ex, bundleFile);
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
233 } finally {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
234 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
235 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
236 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
237 lifecycleTearDown(lifecycle);
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
238 }
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
239 }
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
240
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
241 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
242 * @param inspector callback to visit manifest entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
243 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
244 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
245 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
246 public void inspectManifest(Inspector inspector) throws HgRuntimeException {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
247 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
248 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
249 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
250 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
251 DataAccess da = null;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
252 try {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
253 da = getDataStream();
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
254 if (da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
255 return;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
256 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
257 skipGroup(da); // changelog
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
258 internalInspectManifest(da, inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
259 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
260 throw new HgInvalidFileException("Bundle.inspectManifest failed", ex, bundleFile);
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
261 } finally {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
262 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
263 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
264 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
265 lifecycleTearDown(lifecycle);
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
266 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
267 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
268
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
269 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
270 * @param inspector callback to visit file entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
271 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
272 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
273 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
274 public void inspectFiles(Inspector inspector) throws HgRuntimeException {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
275 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
276 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
277 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
278 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
279 DataAccess da = null;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
280 try {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
281 da = getDataStream();
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
282 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
283 return;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
284 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
285 skipGroup(da); // changelog
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
286 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
287 return;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
288 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
289 skipGroup(da); // manifest
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
290 internalInspectFiles(da, inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
291 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
292 throw new HgInvalidFileException("Bundle.inspectFiles failed", ex, bundleFile);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
293 } finally {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
294 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
295 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
296 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
297 lifecycleTearDown(lifecycle);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
298 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
299 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
300
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
301 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
302 * @param inspector visit complete bundle (changelog, manifest and file entries)
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
303 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
304 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
305 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
306 public void inspectAll(Inspector inspector) throws HgRuntimeException {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
307 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
308 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
309 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
310 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
311 DataAccess da = null;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
312 try {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
313 da = getDataStream();
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
314 internalInspectChangelog(da, inspector);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
315 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
316 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
317 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
318 internalInspectManifest(da, inspector);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
319 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
320 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
321 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
322 internalInspectFiles(da, inspector);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
323 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
324 throw new HgInvalidFileException("Bundle.inspectAll failed", ex, bundleFile);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
325 } finally {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
326 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
327 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 274
diff changeset
328 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
329 lifecycleTearDown(lifecycle);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
330 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
331 }
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
332
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
333 // initialize flowControl, check for concurrent usage, starts lifecyle, if any
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
334 // return non-null only if inspector is interested in lifecycle events
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
335 private Lifecycle lifecycleSetUp(Inspector inspector) throws ConcurrentModificationException {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
336 // Don't need flowControl in case Inspector doesn't implement Lifecycle,
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
337 // however is handy not to expect it == null inside internalInspect*
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
338 // XXX Once there's need to make this class thread-safe,
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
339 // shall move flowControl to thread-local state.
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
340 if (flowControl != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
341 throw new ConcurrentModificationException("HgBundle is in use and not thread-safe yet");
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
342 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
343 flowControl = new Lifecycle.BasicCallback();
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
344 final Lifecycle lifecycle = Adaptable.Factory.getAdapter(inspector, Lifecycle.class, null);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
345 if (lifecycle != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
346 lifecycle.start(-1, flowControl, flowControl);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
347 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
348 return lifecycle;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
349 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
350
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
351 private void lifecycleTearDown(Lifecycle lifecycle) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
352 if (lifecycle != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
353 lifecycle.finish(flowControl);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
354 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
355 flowControl = null;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 467
diff changeset
356 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
357
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
358 private void internalInspectChangelog(DataAccess da, Inspector inspector) throws IOException {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
359 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
360 return;
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
361 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
362 inspector.changelogStart();
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
363 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
364 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
365 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
366 readGroup(da, inspector);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
367 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
368 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
369 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
370 inspector.changelogEnd();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
371 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
372
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
373 private void internalInspectManifest(DataAccess da, Inspector inspector) throws IOException {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
374 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
375 return;
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
376 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
377 inspector.manifestStart();
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
378 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
379 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
380 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
381 readGroup(da, inspector);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
382 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
383 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
384 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
385 inspector.manifestEnd();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
386 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
387
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
388 private void internalInspectFiles(DataAccess da, Inspector inspector) throws IOException {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
389 while (!da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
390 int fnameLen = da.readInt();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
391 if (fnameLen <= 4) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
392 break; // null chunk, the last one.
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
393 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
394 byte[] fnameBuf = new byte[fnameLen - 4];
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
395 da.readBytes(fnameBuf, 0, fnameBuf.length);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
396 String name = new String(fnameBuf);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
397 inspector.fileStart(name);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
398 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
399 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
400 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
401 readGroup(da, inspector);
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
402 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
403 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
404 }
182
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
405 inspector.fileEnd(name);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
406 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
407 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
408
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
409 private static void readGroup(DataAccess da, Inspector inspector) throws IOException {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
410 int len = da.readInt();
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
411 boolean good2go = true;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
412 while (len > 4 && !da.isEmpty() && good2go) {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
413 byte[] nb = new byte[80];
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
414 da.readBytes(nb, 0, 80);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
415 int dataLength = len - 84 /* length field + 4 nodeids */;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
416 byte[] data = new byte[dataLength];
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
417 da.readBytes(data, 0, dataLength);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
418 DataAccess slice = new ByteArrayDataAccess(data); // XXX in fact, may pass a slicing DataAccess.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
419 // Just need to make sure that we seek to proper location afterwards (where next GroupElement starts),
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
420 // regardless whether that slice has read it or not.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
421 GroupElement ge = new GroupElement(nb, slice);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
422 good2go = inspector.element(ge);
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
423 slice.done(); // BADA doesn't implement done(), but it could (e.g. free array)
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
424 /// and we'd better tell it we are not going to use it any more. However, it's important to ensure Inspector
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 169
diff changeset
425 // implementations out there do not retain GroupElement.rawData()
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
426 len = da.isEmpty() ? 0 : da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
427 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
428 // need to skip up to group end if inspector told he don't want to continue with the group,
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
429 // because outer code may try to read next group immediately as we return back.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
430 while (len > 4 && !da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
431 da.skip(len - 4 /* length field */);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
432 len = da.isEmpty() ? 0 : da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
433 }
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
434 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
435
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
436 private static void skipGroup(DataAccess da) throws IOException {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
437 int len = da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
438 while (len > 4 && !da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
439 da.skip(len - 4); // sizeof(int)
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
440 len = da.isEmpty() ? 0 : da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
441 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
442 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
443
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
444 @Experimental(reason="Cumbersome API, rawData and apply with byte[] perhaps need replacement with ByteChannel/ByteBuffer, and better Exceptions. Perhaps, shall split into interface and impl")
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
445 public static class GroupElement {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
446 private final byte[] header; // byte[80] takes 120 bytes, 4 Nodeids - 192
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
447 private final DataAccess dataAccess;
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
448 private Patch patches;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
449
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
450 GroupElement(byte[] fourNodeids, DataAccess rawDataAccess) {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
451 assert fourNodeids != null && fourNodeids.length == 80;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
452 header = fourNodeids;
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
453 dataAccess = rawDataAccess;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
454 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
455
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
456 /**
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
457 * <b>node</b> field of the group element
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
458 * @return node revision, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
459 */
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
460 public Nodeid node() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
461 return Nodeid.fromBinary(header, 0);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
462 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
463
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
464 /**
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
465 * <b>p1</b> <i>(parent 1)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
466 * @return revision of parent 1, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
467 */
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
468 public Nodeid firstParent() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
469 return Nodeid.fromBinary(header, 20);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
470 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
471
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
472 /**
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
473 * <b>p2</b> <i>(parent 2)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
474 * @return revision of parent 2, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
475 */
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
476 public Nodeid secondParent() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
477 return Nodeid.fromBinary(header, 40);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
478 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
479
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
480 /**
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
481 * <b>cs</b> <i>(changeset link)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
482 * @return changeset revision, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
483 */
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
484 public Nodeid cset() {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
485 return Nodeid.fromBinary(header, 60);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
486 }
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
487
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
488 public byte[] rawDataByteArray() throws IOException { // XXX IOException or HgInvalidFileException?
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
489 return rawData().byteArray();
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
490 }
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
491
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
492 public byte[] apply(byte[] baseContent) throws IOException {
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
493 return apply(new ByteArrayDataAccess(baseContent));
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
494 }
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
495
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
496 /*package-local*/ DataAccess rawData() {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
497 return dataAccess;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
498 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
499
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
500 /*package-local*/ Patch patch() throws IOException {
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
501 if (patches == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
502 dataAccess.reset();
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
503 patches = new Patch();
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
504 patches.read(dataAccess);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
505 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
506 return patches;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
507 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
508
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 357
diff changeset
509 /*package-local*/ byte[] apply(DataAccess baseContent) throws IOException {
329
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
510 return patch().apply(baseContent, -1);
169
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
511 }
357
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
512
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
513 public String toString() {
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
514 int patchCount;
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
515 try {
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
516 patchCount = patch().count();
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
517 } catch (IOException ex) {
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
518 ex.printStackTrace();
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
519 patchCount = -1;
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
520 }
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
521 return String.format("%s %s %s %s; patches:%d\n", node().shortNotation(), firstParent().shortNotation(), secondParent().shortNotation(), cset().shortNotation(), patchCount);
dfb8405d996f Clean debug stacktraces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
522 }
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
523 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
524 }