Daniel Elliott
f9d20bb3fc
- 28,932 files - Full Java source code - Smali files - Resources Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
387 lines
12 KiB
Java
387 lines
12 KiB
Java
package com.google.firebase.crashlytics.internal.metadata;
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import android.support.v4.media.session.PlaybackStateCompat;
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import com.ironsource.v8;
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import java.io.Closeable;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.RandomAccessFile;
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import java.nio.channels.FileChannel;
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import java.util.NoSuchElementException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/* loaded from: classes3.dex */
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public class QueueFile implements Closeable {
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public static final Logger LOGGER = Logger.getLogger(QueueFile.class.getName());
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public final byte[] buffer = new byte[16];
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public int elementCount;
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public int fileLength;
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public Element first;
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public Element last;
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public final RandomAccessFile raf;
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public interface ElementReader {
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void read(InputStream inputStream, int i);
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}
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public final int wrapPosition(int i) {
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int i2 = this.fileLength;
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return i < i2 ? i : (i + 16) - i2;
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}
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public QueueFile(File file) {
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if (!file.exists()) {
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initialize(file);
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}
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this.raf = open(file);
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readHeader();
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}
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public static void writeInt(byte[] bArr, int i, int i2) {
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bArr[i] = (byte) (i2 >> 24);
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bArr[i + 1] = (byte) (i2 >> 16);
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bArr[i + 2] = (byte) (i2 >> 8);
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bArr[i + 3] = (byte) i2;
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}
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public static void writeInts(byte[] bArr, int... iArr) {
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int i = 0;
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for (int i2 : iArr) {
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writeInt(bArr, i, i2);
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i += 4;
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}
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}
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public static int readInt(byte[] bArr, int i) {
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return ((bArr[i] & 255) << 24) + ((bArr[i + 1] & 255) << 16) + ((bArr[i + 2] & 255) << 8) + (bArr[i + 3] & 255);
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}
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public final void readHeader() {
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this.raf.seek(0L);
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this.raf.readFully(this.buffer);
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int readInt = readInt(this.buffer, 0);
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this.fileLength = readInt;
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if (readInt > this.raf.length()) {
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throw new IOException("File is truncated. Expected length: " + this.fileLength + ", Actual length: " + this.raf.length());
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}
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this.elementCount = readInt(this.buffer, 4);
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int readInt2 = readInt(this.buffer, 8);
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int readInt3 = readInt(this.buffer, 12);
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this.first = readElement(readInt2);
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this.last = readElement(readInt3);
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}
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public final void writeHeader(int i, int i2, int i3, int i4) {
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writeInts(this.buffer, i, i2, i3, i4);
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this.raf.seek(0L);
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this.raf.write(this.buffer);
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}
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public final Element readElement(int i) {
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if (i == 0) {
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return Element.NULL;
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}
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this.raf.seek(i);
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return new Element(i, this.raf.readInt());
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}
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public static void initialize(File file) {
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File file2 = new File(file.getPath() + ".tmp");
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RandomAccessFile open = open(file2);
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try {
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open.setLength(PlaybackStateCompat.ACTION_SKIP_TO_QUEUE_ITEM);
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open.seek(0L);
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byte[] bArr = new byte[16];
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writeInts(bArr, 4096, 0, 0, 0);
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open.write(bArr);
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open.close();
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if (!file2.renameTo(file)) {
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throw new IOException("Rename failed!");
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}
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} catch (Throwable th) {
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open.close();
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throw th;
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}
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}
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public static RandomAccessFile open(File file) {
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return new RandomAccessFile(file, "rwd");
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}
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public final void ringWrite(int i, byte[] bArr, int i2, int i3) {
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int wrapPosition = wrapPosition(i);
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int i4 = wrapPosition + i3;
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int i5 = this.fileLength;
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if (i4 <= i5) {
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this.raf.seek(wrapPosition);
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this.raf.write(bArr, i2, i3);
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return;
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}
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int i6 = i5 - wrapPosition;
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this.raf.seek(wrapPosition);
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this.raf.write(bArr, i2, i6);
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this.raf.seek(16L);
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this.raf.write(bArr, i2 + i6, i3 - i6);
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}
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public final void ringRead(int i, byte[] bArr, int i2, int i3) {
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int wrapPosition = wrapPosition(i);
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int i4 = wrapPosition + i3;
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int i5 = this.fileLength;
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if (i4 <= i5) {
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this.raf.seek(wrapPosition);
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this.raf.readFully(bArr, i2, i3);
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return;
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}
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int i6 = i5 - wrapPosition;
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this.raf.seek(wrapPosition);
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this.raf.readFully(bArr, i2, i6);
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this.raf.seek(16L);
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this.raf.readFully(bArr, i2 + i6, i3 - i6);
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}
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public void add(byte[] bArr) {
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add(bArr, 0, bArr.length);
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}
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public synchronized void add(byte[] bArr, int i, int i2) {
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int wrapPosition;
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try {
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nonNull(bArr, "buffer");
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if ((i | i2) < 0 || i2 > bArr.length - i) {
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throw new IndexOutOfBoundsException();
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}
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expandIfNecessary(i2);
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boolean isEmpty = isEmpty();
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if (isEmpty) {
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wrapPosition = 16;
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} else {
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Element element = this.last;
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wrapPosition = wrapPosition(element.position + 4 + element.length);
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}
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Element element2 = new Element(wrapPosition, i2);
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writeInt(this.buffer, 0, i2);
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ringWrite(element2.position, this.buffer, 0, 4);
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ringWrite(element2.position + 4, bArr, i, i2);
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writeHeader(this.fileLength, this.elementCount + 1, isEmpty ? element2.position : this.first.position, element2.position);
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this.last = element2;
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this.elementCount++;
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if (isEmpty) {
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this.first = element2;
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}
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} catch (Throwable th) {
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throw th;
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}
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}
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public int usedBytes() {
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if (this.elementCount == 0) {
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return 16;
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}
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Element element = this.last;
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int i = element.position;
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int i2 = this.first.position;
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if (i >= i2) {
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return (i - i2) + 4 + element.length + 16;
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}
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return (((i + 4) + element.length) + this.fileLength) - i2;
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}
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public final int remainingBytes() {
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return this.fileLength - usedBytes();
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}
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public synchronized boolean isEmpty() {
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return this.elementCount == 0;
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}
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public final void expandIfNecessary(int i) {
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int i2 = i + 4;
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int remainingBytes = remainingBytes();
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if (remainingBytes >= i2) {
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return;
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}
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int i3 = this.fileLength;
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do {
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remainingBytes += i3;
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i3 <<= 1;
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} while (remainingBytes < i2);
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setLength(i3);
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Element element = this.last;
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int wrapPosition = wrapPosition(element.position + 4 + element.length);
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if (wrapPosition < this.first.position) {
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FileChannel channel = this.raf.getChannel();
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channel.position(this.fileLength);
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long j = wrapPosition - 4;
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if (channel.transferTo(16L, j, channel) != j) {
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throw new AssertionError("Copied insufficient number of bytes!");
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}
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}
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int i4 = this.last.position;
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int i5 = this.first.position;
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if (i4 < i5) {
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int i6 = (this.fileLength + i4) - 16;
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writeHeader(i3, this.elementCount, i5, i6);
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this.last = new Element(i6, this.last.length);
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} else {
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writeHeader(i3, this.elementCount, i5, i4);
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}
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this.fileLength = i3;
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}
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public final void setLength(int i) {
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this.raf.setLength(i);
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this.raf.getChannel().force(true);
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}
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public synchronized void forEach(ElementReader elementReader) {
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int i = this.first.position;
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for (int i2 = 0; i2 < this.elementCount; i2++) {
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Element readElement = readElement(i);
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elementReader.read(new ElementInputStream(readElement), readElement.length);
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i = wrapPosition(readElement.position + 4 + readElement.length);
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}
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}
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public static Object nonNull(Object obj, String str) {
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if (obj != null) {
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return obj;
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}
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throw new NullPointerException(str);
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}
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public final class ElementInputStream extends InputStream {
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public int position;
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public int remaining;
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public ElementInputStream(Element element) {
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this.position = QueueFile.this.wrapPosition(element.position + 4);
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this.remaining = element.length;
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}
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@Override // java.io.InputStream
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public int read(byte[] bArr, int i, int i2) {
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QueueFile.nonNull(bArr, "buffer");
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if ((i | i2) < 0 || i2 > bArr.length - i) {
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throw new ArrayIndexOutOfBoundsException();
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}
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int i3 = this.remaining;
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if (i3 <= 0) {
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return -1;
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}
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if (i2 > i3) {
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i2 = i3;
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}
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QueueFile.this.ringRead(this.position, bArr, i, i2);
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this.position = QueueFile.this.wrapPosition(this.position + i2);
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this.remaining -= i2;
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return i2;
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}
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@Override // java.io.InputStream
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public int read() {
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if (this.remaining == 0) {
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return -1;
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}
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QueueFile.this.raf.seek(this.position);
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int read = QueueFile.this.raf.read();
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this.position = QueueFile.this.wrapPosition(this.position + 1);
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this.remaining--;
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return read;
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}
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}
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public synchronized void remove() {
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try {
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if (isEmpty()) {
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throw new NoSuchElementException();
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}
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if (this.elementCount == 1) {
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clear();
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} else {
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Element element = this.first;
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int wrapPosition = wrapPosition(element.position + 4 + element.length);
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ringRead(wrapPosition, this.buffer, 0, 4);
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int readInt = readInt(this.buffer, 0);
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writeHeader(this.fileLength, this.elementCount - 1, wrapPosition, this.last.position);
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this.elementCount--;
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this.first = new Element(wrapPosition, readInt);
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}
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} catch (Throwable th) {
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throw th;
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}
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}
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public synchronized void clear() {
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try {
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writeHeader(4096, 0, 0, 0);
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this.elementCount = 0;
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Element element = Element.NULL;
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this.first = element;
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this.last = element;
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if (this.fileLength > 4096) {
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setLength(4096);
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}
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this.fileLength = 4096;
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} catch (Throwable th) {
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throw th;
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}
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}
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@Override // java.io.Closeable, java.lang.AutoCloseable
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public synchronized void close() {
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this.raf.close();
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}
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public String toString() {
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final StringBuilder sb = new StringBuilder();
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sb.append(getClass().getSimpleName());
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sb.append('[');
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sb.append("fileLength=");
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sb.append(this.fileLength);
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sb.append(", size=");
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sb.append(this.elementCount);
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sb.append(", first=");
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sb.append(this.first);
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sb.append(", last=");
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sb.append(this.last);
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sb.append(", element lengths=[");
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try {
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forEach(new ElementReader() { // from class: com.google.firebase.crashlytics.internal.metadata.QueueFile.1
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public boolean first = true;
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@Override // com.google.firebase.crashlytics.internal.metadata.QueueFile.ElementReader
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public void read(InputStream inputStream, int i) {
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if (this.first) {
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this.first = false;
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} else {
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sb.append(", ");
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}
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sb.append(i);
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}
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});
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} catch (IOException e) {
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LOGGER.log(Level.WARNING, "read error", (Throwable) e);
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}
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sb.append("]]");
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return sb.toString();
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}
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public static class Element {
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public static final Element NULL = new Element(0, 0);
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public final int length;
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public final int position;
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public Element(int i, int i2) {
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this.position = i;
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this.length = i2;
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}
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public String toString() {
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return getClass().getSimpleName() + "[position = " + this.position + ", length = " + this.length + v8.i.e;
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}
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}
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}
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