mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-27 01:22:33 -06:00
117 lines
3.7 KiB
Java
117 lines
3.7 KiB
Java
package com.google.android.exoplayer2.util;
|
|
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.FileNotFoundException;
|
|
import java.io.FileOutputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.OutputStream;
|
|
|
|
/* loaded from: classes2.dex */
|
|
public final class AtomicFile {
|
|
private static final String TAG = "AtomicFile";
|
|
private final File backupName;
|
|
private final File baseName;
|
|
|
|
public AtomicFile(File file) {
|
|
this.baseName = file;
|
|
this.backupName = new File(file.getPath() + ".bak");
|
|
}
|
|
|
|
public boolean exists() {
|
|
return this.baseName.exists() || this.backupName.exists();
|
|
}
|
|
|
|
public void delete() {
|
|
this.baseName.delete();
|
|
this.backupName.delete();
|
|
}
|
|
|
|
public OutputStream startWrite() throws IOException {
|
|
if (this.baseName.exists()) {
|
|
if (!this.backupName.exists()) {
|
|
if (!this.baseName.renameTo(this.backupName)) {
|
|
Log.w(TAG, "Couldn't rename file " + this.baseName + " to backup file " + this.backupName);
|
|
}
|
|
} else {
|
|
this.baseName.delete();
|
|
}
|
|
}
|
|
try {
|
|
return new AtomicFileOutputStream(this.baseName);
|
|
} catch (FileNotFoundException e) {
|
|
File parentFile = this.baseName.getParentFile();
|
|
if (parentFile == null || !parentFile.mkdirs()) {
|
|
throw new IOException("Couldn't create " + this.baseName, e);
|
|
}
|
|
try {
|
|
return new AtomicFileOutputStream(this.baseName);
|
|
} catch (FileNotFoundException e2) {
|
|
throw new IOException("Couldn't create " + this.baseName, e2);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void endWrite(OutputStream outputStream) throws IOException {
|
|
outputStream.close();
|
|
this.backupName.delete();
|
|
}
|
|
|
|
public InputStream openRead() throws FileNotFoundException {
|
|
restoreBackup();
|
|
return new FileInputStream(this.baseName);
|
|
}
|
|
|
|
private void restoreBackup() {
|
|
if (this.backupName.exists()) {
|
|
this.baseName.delete();
|
|
this.backupName.renameTo(this.baseName);
|
|
}
|
|
}
|
|
|
|
/* loaded from: classes2.dex */
|
|
private static final class AtomicFileOutputStream extends OutputStream {
|
|
private boolean closed = false;
|
|
private final FileOutputStream fileOutputStream;
|
|
|
|
public AtomicFileOutputStream(File file) throws FileNotFoundException {
|
|
this.fileOutputStream = new FileOutputStream(file);
|
|
}
|
|
|
|
@Override // java.io.OutputStream, java.io.Closeable, java.lang.AutoCloseable
|
|
public void close() throws IOException {
|
|
if (this.closed) {
|
|
return;
|
|
}
|
|
this.closed = true;
|
|
flush();
|
|
try {
|
|
this.fileOutputStream.getFD().sync();
|
|
} catch (IOException e) {
|
|
Log.w(AtomicFile.TAG, "Failed to sync file descriptor:", e);
|
|
}
|
|
this.fileOutputStream.close();
|
|
}
|
|
|
|
@Override // java.io.OutputStream, java.io.Flushable
|
|
public void flush() throws IOException {
|
|
this.fileOutputStream.flush();
|
|
}
|
|
|
|
@Override // java.io.OutputStream
|
|
public void write(int i) throws IOException {
|
|
this.fileOutputStream.write(i);
|
|
}
|
|
|
|
@Override // java.io.OutputStream
|
|
public void write(byte[] bArr) throws IOException {
|
|
this.fileOutputStream.write(bArr);
|
|
}
|
|
|
|
@Override // java.io.OutputStream
|
|
public void write(byte[] bArr, int i, int i2) throws IOException {
|
|
this.fileOutputStream.write(bArr, i, i2);
|
|
}
|
|
}
|
|
}
|