what-the-bank/sources/com/google/common/hash/AbstractByteHasher.java

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2024-07-27 18:17:47 +07:00
package com.google.common.hash;
import com.google.common.base.Preconditions;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
/* loaded from: classes2.dex */
abstract class AbstractByteHasher extends AbstractHasher {
private final ByteBuffer scratch = ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN);
protected abstract void update(byte b);
protected void update(byte[] bArr) {
update(bArr, 0, bArr.length);
}
protected void update(byte[] bArr, int i, int i2) {
for (int i3 = i; i3 < i + i2; i3++) {
update(bArr[i3]);
}
}
protected void update(ByteBuffer byteBuffer) {
if (byteBuffer.hasArray()) {
update(byteBuffer.array(), byteBuffer.arrayOffset() + byteBuffer.position(), byteBuffer.remaining());
Java8Compatibility.position(byteBuffer, byteBuffer.limit());
} else {
for (int remaining = byteBuffer.remaining(); remaining > 0; remaining--) {
update(byteBuffer.get());
}
}
}
private Hasher update(int i) {
try {
update(this.scratch.array(), 0, i);
return this;
} finally {
Java8Compatibility.clear(this.scratch);
}
}
@Override // com.google.common.hash.PrimitiveSink
public Hasher putByte(byte b) {
update(b);
return this;
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putBytes(byte[] bArr) {
Preconditions.checkNotNull(bArr);
update(bArr);
return this;
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putBytes(byte[] bArr, int i, int i2) {
Preconditions.checkPositionIndexes(i, i + i2, bArr.length);
update(bArr, i, i2);
return this;
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putBytes(ByteBuffer byteBuffer) {
update(byteBuffer);
return this;
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putShort(short s) {
this.scratch.putShort(s);
return update(2);
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putInt(int i) {
this.scratch.putInt(i);
return update(4);
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putLong(long j) {
this.scratch.putLong(j);
return update(8);
}
@Override // com.google.common.hash.AbstractHasher, com.google.common.hash.PrimitiveSink
public Hasher putChar(char c) {
this.scratch.putChar(c);
return update(2);
}
}