forked from dtm-labs/dtmcli-java
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathStreamUtil.java
More file actions
63 lines (57 loc) · 2.09 KB
/
StreamUtil.java
File metadata and controls
63 lines (57 loc) · 2.09 KB
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
53
54
55
56
57
58
59
60
61
62
63
/*
* MIT License
*
* Copyright (c) 2021 yedf
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package common.utils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* @author lixiaoshuang
*/
public class StreamUtil {
public static byte[] copyToByteArray(InputStream in) throws IOException {
if (in == null) {
return new byte[0];
} else {
ByteArrayOutputStream out = new ByteArrayOutputStream(4096);
copy(in, out);
return out.toByteArray();
}
}
private static int copy(InputStream in, OutputStream out) throws IOException {
int byteCount = 0;
if (null == in) {
return byteCount;
}
if (null == out) {
return byteCount;
}
int bytesRead;
for (byte[] buffer = new byte[4096]; (bytesRead = in.read(buffer)) != -1; byteCount += bytesRead) {
out.write(buffer, 0, bytesRead);
}
out.flush();
return byteCount;
}
}