Mercurial > jhg

annotate src/org/tmatesoft/hg/util/ByteChannel.java @ 128:44b97930570c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Introduced ChangelogHelper to look up changesets files were modified in
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 16 Feb 2011 20:13:41 +0100
parents c0cc2535462c
children 7567f4a42fe5
rev   line source
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@svnkit.com
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.util;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.nio.ByteBuffer;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 /**
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 * Much like {@link java.nio.channels.WritableByteChannel} except for thrown exception
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 *
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 * XXX Perhaps, we'll add CharChannel in the future to deal with character conversions/encodings
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 *
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * @author Artem Tikhomirov
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * @author TMate Software Ltd.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 */
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 public interface ByteChannel {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 // XXX does int return value makes any sense given buffer keeps its read state
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 // not clear what retvalue should be in case some filtering happened inside write - i.e. return
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 // number of bytes consumed in
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 int write(ByteBuffer buffer) throws Exception /*FIXME Exception type*/;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 }