DBot/kommons
DBot/kommons
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This commit is contained in:
DBotThePony 2024-02-20 00:37:41 +07:00
parent 3ec189804c
commit 78c3a3c35e
Signed by: DBot
GPG Key ID: DCC23B5715498507
3 changed files with 69 additions and 5 deletions
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2
gradle.properties
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@ -4,7 +4,7 @@ kotlin.code.style=official
specifyKotlinAsDependency=false
projectGroup=ru.dbotthepony.kommons
projectVersion=2.7.0
projectVersion=2.7.1
guavaDepVersion=33.0.0
gsonDepVersion=2.8.9

33
src/main/java/ru/dbotthepony/kommons/util/XXHash32.java
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@ -1,5 +1,6 @@
package ru.dbotthepony.kommons.util;
import java.security.DigestException;
import java.security.MessageDigest;
import java.util.Objects;
@ -108,8 +109,7 @@ public final class XXHash32 extends MessageDigest {
}
}
@Override
protected byte[] engineDigest() {
public int digestAsInt() {
int h32;
if (length >= 16) {
@ -146,6 +146,13 @@ public final class XXHash32 extends MessageDigest {
engineReset();
return h32;
}
@Override
protected byte[] engineDigest() {
int h32 = digestAsInt();
byte[] result = new byte[4];
result[0] = (byte) (h32 >>> 24);
@ -156,6 +163,28 @@ public final class XXHash32 extends MessageDigest {
return result;
}
@Override
protected int engineGetDigestLength() {
return 4;
}
@Override
protected int engineDigest(byte[] buf, int offset, int len) throws DigestException {
if (len < 4)
throw new DigestException("partial digests not returned");
if (buf.length - offset < 4)
throw new DigestException("insufficient space in the output "
+ "buffer to store the digest");
int h32 = digestAsInt();
buf[offset] = (byte) (h32 >>> 24);
buf[offset + 1] = (byte) (h32 >>> 16);
buf[offset + 2] = (byte) (h32 >>> 8);
buf[offset + 3] = (byte) (h32);
return 4;
}
@Override
protected void engineReset() {
this.length = 0L;

39
src/main/java/ru/dbotthepony/kommons/util/XXHash64.java
View File

@ -1,5 +1,6 @@
package ru.dbotthepony.kommons.util;
import java.security.DigestException;
import java.security.MessageDigest;
import java.util.Objects;
@ -123,8 +124,7 @@ public final class XXHash64 extends MessageDigest {
}
}
@Override
protected byte[] engineDigest() {
public long digestAsLong() {
long h64;
if (length >= 32L) {
@ -168,6 +168,18 @@ public final class XXHash64 extends MessageDigest {
engineReset();
return h64;
}
@Override
protected int engineGetDigestLength() {
return 8;
}
@Override
protected byte[] engineDigest() {
long h64 = digestAsLong();
byte[] result = new byte[8];
result[7] = (byte) h64;
@ -182,6 +194,29 @@ public final class XXHash64 extends MessageDigest {
return result;
}
@Override
protected int engineDigest(byte[] buf, int offset, int len) throws DigestException {
if (len < 8)
throw new DigestException("partial digests not returned");
if (buf.length - offset < 8)
throw new DigestException("insufficient space in the output "
+ "buffer to store the digest");
long h64 = digestAsLong();
buf[offset + 7] = (byte) h64;
buf[offset + 6] = (byte) (h64 >>> 8);
buf[offset + 5] = (byte) (h64 >>> 16);
buf[offset + 4] = (byte) (h64 >>> 24);
buf[offset + 3] = (byte) (h64 >>> 32);
buf[offset + 2] = (byte) (h64 >>> 40);
buf[offset + 1] = (byte) (h64 >>> 48);
buf[offset] = (byte) (h64 >>> 56);
return 8;
}
@Override
protected void engineReset() {
this.length = 0L;