what-the-bank/sources/com/google/common/io/CountingInputStream.java

69 lines
2.0 KiB
Java
Raw Normal View History

2024-07-27 18:17:47 +07:00
package com.google.common.io;
import com.google.common.base.Preconditions;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
/* loaded from: classes2.dex */
public final class CountingInputStream extends FilterInputStream {
private long count;
private long mark;
public CountingInputStream(InputStream inputStream) {
super((InputStream) Preconditions.checkNotNull(inputStream));
this.mark = -1L;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final int read() throws IOException {
int read = ((FilterInputStream) this).in.read();
if (read != -1) {
this.count++;
}
return read;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final int read(byte[] bArr, int i, int i2) throws IOException {
int read = ((FilterInputStream) this).in.read(bArr, i, i2);
if (read != -1) {
this.count += read;
}
return read;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final long skip(long j) throws IOException {
long skip = ((FilterInputStream) this).in.skip(j);
this.count += skip;
return skip;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final void mark(int i) {
synchronized (this) {
((FilterInputStream) this).in.mark(i);
this.mark = this.count;
}
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final void reset() throws IOException {
synchronized (this) {
if (!((FilterInputStream) this).in.markSupported()) {
throw new IOException("Mark not supported");
}
if (this.mark == -1) {
throw new IOException("Mark not set");
}
((FilterInputStream) this).in.reset();
this.count = this.mark;
}
}
public final long getCount() {
return this.count;
}
}