| 1 | package pro.verron.officestamper.utils.bit; | |
| 2 | ||
| 3 | import pro.verron.officestamper.utils.UtilsException; | |
| 4 | ||
| 5 | import java.security.MessageDigest; | |
| 6 | import java.security.NoSuchAlgorithmException; | |
| 7 | import java.text.StringCharacterIterator; | |
| 8 | import java.util.Base64; | |
| 9 | import java.util.Locale; | |
| 10 | ||
| 11 | /// Utility class providing common operations for byte manipulation and conversions. This class is not intended to be | |
| 12 | /// instantiated. | |
| 13 | public class ByteUtils { | |
| 14 | ||
| 15 | private ByteUtils() { | |
| 16 | throw new UtilsException("Utility class shouldn't be instantiated"); | |
| 17 | } | |
| 18 | ||
| 19 | /// Computes the SHA-1 hash of the given input bytes and encodes the result in Base64. | |
| 20 | /// | |
| 21 | /// @param bytes the input byte array to be hashed. | |
| 22 | /// | |
| 23 | /// @return the SHA-1 hash of the input bytes, encoded in Base64. | |
| 24 | public static String sha1b64(byte[] bytes) { | |
| 25 | var messageDigest = findDigest(); | |
| 26 | var encoder = Base64.getEncoder(); | |
| 27 | var digest = messageDigest.digest(bytes); | |
| 28 |
1
1. sha1b64 : replaced return value with "" for pro/verron/officestamper/utils/bit/ByteUtils::sha1b64 → NO_COVERAGE |
return encoder.encodeToString(digest); |
| 29 | } | |
| 30 | ||
| 31 | private static MessageDigest findDigest() { | |
| 32 | try { | |
| 33 |
1
1. findDigest : replaced return value with null for pro/verron/officestamper/utils/bit/ByteUtils::findDigest → NO_COVERAGE |
return MessageDigest.getInstance("SHA-1"); |
| 34 | } catch (NoSuchAlgorithmException e) { | |
| 35 | throw new UtilsException(e); | |
| 36 | } | |
| 37 | } | |
| 38 | ||
| 39 | /// Converts the size of a byte array into a human-readable string representation using standard size prefixes | |
| 40 | /// (e.g., KB, MB, GB). | |
| 41 | /// | |
| 42 | /// @param length the size of the byte array to be converted | |
| 43 | /// | |
| 44 | /// @return a human-readable string representing the size of the byte array in appropriate units (e.g., "1.2KB", | |
| 45 | /// "3.4MB") | |
| 46 | public static String readableSize(int length) { | |
| 47 |
2
1. readableSize : negated conditional → KILLED 2. readableSize : changed conditional boundary → KILLED |
if (length < 0) |
| 48 | throw new IllegalArgumentException("Length must be positive"); | |
| 49 |
2
1. readableSize : changed conditional boundary → KILLED 2. readableSize : negated conditional → KILLED |
if (length < 1000) |
| 50 |
1
1. readableSize : replaced return value with "" for pro/verron/officestamper/utils/bit/ByteUtils::readableSize → KILLED |
return length + " B"; |
| 51 | double size = length; | |
| 52 | var prefixes = new StringCharacterIterator(" kMGTPE"); | |
| 53 |
2
1. readableSize : changed conditional boundary → KILLED 2. readableSize : negated conditional → KILLED |
while (size >= 1_000) { |
| 54 |
1
1. readableSize : Replaced double division with multiplication → TIMED_OUT |
size /= 1_000; |
| 55 | prefixes.next(); | |
| 56 | } | |
| 57 |
1
1. readableSize : replaced return value with "" for pro/verron/officestamper/utils/bit/ByteUtils::readableSize → KILLED |
return String.format(Locale.ROOT, "%.1f %cB", size, prefixes.current()); |
| 58 | } | |
| 59 | } | |
Mutations | ||
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1.1 |
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| 33 |
1.1 |
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| 47 |
1.1 2.2 |
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| 49 |
1.1 2.2 |
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| 50 |
1.1 |
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| 53 |
1.1 2.2 |
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| 54 |
1.1 |
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| 57 |
1.1 |