blob: fdc2f80075d8b80e3d2c8d47f604d8874bd1f5e5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Copyright (C) 2010, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.internal.storage.file;
import java.io.IOException;
import java.io.InputStream;
class PackInputStream extends InputStream {
private final WindowCursor wc;
private final Pack pack;
private long pos;
PackInputStream(Pack pack, long pos, WindowCursor wc)
throws IOException {
this.pack = pack;
this.pos = pos;
this.wc = wc;
// Pin the first window, to ensure the pack is open and valid.
//
wc.pin(pack, pos);
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
int n = wc.copy(pack, pos, b, off, len);
pos += n;
return n;
}
@Override
public int read() throws IOException {
byte[] buf = new byte[1];
int n = read(buf, 0, 1);
return n == 1 ? buf[0] & 0xff : -1;
}
@Override
public void close() {
wc.close();
}
}
|
