Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/ManifestEntryBuilder.java @ 664:ae2d439fbed3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Utilize transaction when writing fncache. Better HgIOException
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 10 Jul 2013 19:33:51 +0200
parents 7c0d2ce340b8
children
rev   line source
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2012 TMate Software Ltd
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
538
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 384
diff changeset
17 package org.tmatesoft.hg.internal;
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.ByteArrayOutputStream;
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
21 import org.tmatesoft.hg.core.HgIOException;
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import org.tmatesoft.hg.core.Nodeid;
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
23 import org.tmatesoft.hg.internal.DataSerializer.DataSource;
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 /**
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * Create binary manifest entry ready to write down into 00manifest.i
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * <p>Usage:
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 * <pre>
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 * ManifestEntryBuilder mb = new ManifestEntryBuilder();
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 * mb.reset().add("file1", file1.getRevision(r1));
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 * mb.add("file2", file2.getRevision(r2));
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 * byte[] manifestRecordData = mb.build();
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 * byte[] manifestRevlogHeader = buildRevlogHeader(..., sha1(parents, manifestRecordData), manifestRecordData.length);
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 * manifestIndexOutputStream.write(manifestRevlogHeader);
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 * manifestIndexOutputStream.write(manifestRecordData);
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 * </pre>
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 *
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 * @author Artem Tikhomirov
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 * @author TMate Software Ltd.
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 */
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
41 public class ManifestEntryBuilder implements DataSource {
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
42 private final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
43 private final EncodingHelper encHelper;
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
45 public ManifestEntryBuilder(EncodingHelper encodingHelper) {
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
46 encHelper = encodingHelper;
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
47 }
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 public ManifestEntryBuilder reset() {
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 buffer.reset();
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 return this;
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 }
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 public ManifestEntryBuilder add(String fname, Nodeid revision) {
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
54 byte[] b = encHelper.toManifest(fname);
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 buffer.write(b, 0, b.length);
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 buffer.write('\0');
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 b = revision.toString().getBytes();
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 buffer.write(b, 0, b.length);
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 buffer.write('\n');
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 return this;
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 public byte[] build() {
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 return buffer.toByteArray();
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 }
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66
618
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
67 public void serialize(DataSerializer out) throws HgIOException {
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
68 byte[] r = build();
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
69 out.write(r, 0 , r.length);
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
70 }
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
71
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
72 public int serializeLength() {
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
73 return buffer.size();
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
74 }
7c0d2ce340b8 Refactor approach how content finds it way down to a commit revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 538
diff changeset
75
384
4b97847d0b2d Auxilary builders for manifest and changelog to create test repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 }