-
Notifications
You must be signed in to change notification settings - Fork 0
/
CUtils.java
73 lines (59 loc) · 1.71 KB
/
CUtils.java
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
64
65
66
67
68
69
70
71
72
73
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
// Common Utilities
public class CUtils {
public void println(Object line)
{
System.out.println(line);
}
public String binary2hex(String binaryStr)
{
int decimal = Integer.parseInt(binaryStr, 2);
return Integer.toString(decimal, 16);
}
public String hex2binStr32(String hexStr)
{
long decimal = Long.parseLong(hexStr, 16);
String binStr = String.format("%32s", Long.toBinaryString(decimal)).replace(' ', '0');
//println("Binary String: " + binStr);
return binStr;//String.format("%1$-32s", Integer.toString(decimal, 2));
}
public String binStr32ToHexString(String bin)
{
Long temp = Long.parseLong(bin, 2); //bin.substring(bin.length()-32, bin.length())
return String.format("%8s", Long.toHexString(temp)).replace(' ', '0');
}
// Returns signed 16-bit binary string from int
public String intToSigned16Bin(int dec)
{
String bin = Integer.toBinaryString(dec);
int l = bin.length();
if (l < 16 && dec >= 0) {
for (int i = 0; i < (16 - l); i++) {
bin = "0" + bin;
}
} else if (dec < 0) {
bin = bin.substring(l - 16);
}
return bin;
}
public int binStr16toSignedInt(String binStr16)
{
return (short)Integer.parseInt(binStr16, 2);
}
public int binStr32toSignedInt(String binStr32)
{
return (int)Long.parseLong(binStr32, 2);
}
public <T, E> T getKeyByValue(Map<T, E> map, E value)
{
for (Entry<T, E> entry : map.entrySet())
{
if (Objects.equals(value, entry.getValue())) {
return entry.getKey();
}
}
return null;
}
}