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