what-the-bank/sources/org/bouncycastle/util/io/Streams.java

81 lines
2.6 KiB
Java

package org.bouncycastle.util.io;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/* loaded from: classes6.dex */
public final class Streams {
private static int BUFFER_SIZE = 4096;
public static void writeBufTo(ByteArrayOutputStream byteArrayOutputStream, OutputStream outputStream) throws IOException {
byteArrayOutputStream.writeTo(outputStream);
}
public static int readFully(InputStream inputStream, byte[] bArr, int i, int i2) throws IOException {
int i3 = 0;
while (i3 < i2) {
int read = inputStream.read(bArr, i + i3, i2 - i3);
if (read < 0) {
break;
}
i3 += read;
}
return i3;
}
public static int readFully(InputStream inputStream, byte[] bArr) throws IOException {
return readFully(inputStream, bArr, 0, bArr.length);
}
public static byte[] readAllLimited(InputStream inputStream, int i) throws IOException {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
pipeAllLimited(inputStream, i, byteArrayOutputStream);
return byteArrayOutputStream.toByteArray();
}
public static byte[] readAll(InputStream inputStream) throws IOException {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
pipeAll(inputStream, byteArrayOutputStream);
return byteArrayOutputStream.toByteArray();
}
public static long pipeAllLimited(InputStream inputStream, long j, OutputStream outputStream) throws IOException {
int i = BUFFER_SIZE;
byte[] bArr = new byte[i];
long j2 = 0;
while (true) {
int read = inputStream.read(bArr, 0, i);
if (read < 0) {
return j2;
}
long j3 = read;
if (j - j2 < j3) {
throw new StreamOverflowException("Data Overflow");
}
j2 += j3;
outputStream.write(bArr, 0, read);
}
}
public static void pipeAll(InputStream inputStream, OutputStream outputStream) throws IOException {
int i = BUFFER_SIZE;
byte[] bArr = new byte[i];
while (true) {
int read = inputStream.read(bArr, 0, i);
if (read < 0) {
return;
} else {
outputStream.write(bArr, 0, read);
}
}
}
public static void drain(InputStream inputStream) throws IOException {
int i = BUFFER_SIZE;
do {
} while (inputStream.read(new byte[i], 0, i) >= 0);
}
}