1 /*
2 Copyright (c) 2010 James Ahlborn
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with this library; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17 USA
18 */
19
20 package com.healthmarketscience.jackcess;
21
22 import java.io.IOException;
23 import java.nio.charset.Charset;
24
25 /**
26 * Interface for a provider which can generate CodecHandlers for various types
27 * of database encodings. The {@link DefaultCodecProvider} is the default
28 * implementation of this inferface, but it does not have any actual
29 * encoding/decoding support (due to possible export issues with calling
30 * encryption APIs). See the separate
31 * <a href="https://sourceforge.net/projects/jackcessencrypt/">Jackcess
32 * Encrypt</a> project for an implementation of this interface which supports
33 * various access database encryption types.
34 *
35 * @author James Ahlborn
36 */
37 public interface CodecProvider
38 {
39 /**
40 * Returns a new CodecHandler for the database associated with the given
41 * PageChannel.
42 *
43 * @param channel the PageChannel for a Database
44 * @param charset the Charset for the Database
45 *
46 * @return a new CodecHandler, may not be {@code null}
47 */
48 public CodecHandler createHandler(PageChannel channel, Charset charset)
49 throws IOException;
50 }