53 lines
1.6 KiB
Java
53 lines
1.6 KiB
Java
package com.google.common.hash;
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import com.google.common.base.Preconditions;
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import java.io.FilterInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/* loaded from: classes2.dex */
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public final class HashingInputStream extends FilterInputStream {
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private final Hasher hasher;
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final void mark(int i) {
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final boolean markSupported() {
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return false;
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}
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public HashingInputStream(HashFunction hashFunction, InputStream inputStream) {
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super((InputStream) Preconditions.checkNotNull(inputStream));
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this.hasher = (Hasher) Preconditions.checkNotNull(hashFunction.newHasher());
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final int read() throws IOException {
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int read = ((FilterInputStream) this).in.read();
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if (read != -1) {
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this.hasher.putByte((byte) read);
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}
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return read;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final int read(byte[] bArr, int i, int i2) throws IOException {
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int read = ((FilterInputStream) this).in.read(bArr, i, i2);
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if (read != -1) {
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this.hasher.putBytes(bArr, i, read);
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}
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return read;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final void reset() throws IOException {
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throw new IOException("reset not supported");
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}
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public final HashCode hash() {
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return this.hasher.hash();
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}
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}
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