discord-jadx/app/src/main/java/androidx/core/util/AtomicFile.java

147 lines
4.8 KiB
Java

package androidx.core.util;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import b.d.b.a.a;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/* loaded from: classes.dex */
public class AtomicFile {
private static final String LOG_TAG = "AtomicFile";
private final File mBaseName;
private final File mLegacyBackupName;
private final File mNewName;
public AtomicFile(@NonNull File file) {
this.mBaseName = file;
this.mNewName = new File(file.getPath() + ".new");
this.mLegacyBackupName = new File(file.getPath() + ".bak");
}
private static void rename(@NonNull File file, @NonNull File file2) {
if (file2.isDirectory() && !file2.delete()) {
Log.e(LOG_TAG, "Failed to delete file which is a directory " + file2);
}
if (!file.renameTo(file2)) {
Log.e(LOG_TAG, "Failed to rename " + file + " to " + file2);
}
}
private static boolean sync(@NonNull FileOutputStream fileOutputStream) {
try {
fileOutputStream.getFD().sync();
return true;
} catch (IOException unused) {
return false;
}
}
public void delete() {
this.mBaseName.delete();
this.mNewName.delete();
this.mLegacyBackupName.delete();
}
public void failWrite(@Nullable FileOutputStream fileOutputStream) {
if (fileOutputStream != null) {
if (!sync(fileOutputStream)) {
Log.e(LOG_TAG, "Failed to sync file output stream");
}
try {
fileOutputStream.close();
} catch (IOException e) {
Log.e(LOG_TAG, "Failed to close file output stream", e);
}
if (!this.mNewName.delete()) {
StringBuilder S = a.S("Failed to delete new file ");
S.append(this.mNewName);
Log.e(LOG_TAG, S.toString());
}
}
}
public void finishWrite(@Nullable FileOutputStream fileOutputStream) {
if (fileOutputStream != null) {
if (!sync(fileOutputStream)) {
Log.e(LOG_TAG, "Failed to sync file output stream");
}
try {
fileOutputStream.close();
} catch (IOException e) {
Log.e(LOG_TAG, "Failed to close file output stream", e);
}
rename(this.mNewName, this.mBaseName);
}
}
@NonNull
public File getBaseFile() {
return this.mBaseName;
}
@NonNull
public FileInputStream openRead() throws FileNotFoundException {
if (this.mLegacyBackupName.exists()) {
rename(this.mLegacyBackupName, this.mBaseName);
}
if (this.mNewName.exists() && this.mBaseName.exists() && !this.mNewName.delete()) {
StringBuilder S = a.S("Failed to delete outdated new file ");
S.append(this.mNewName);
Log.e(LOG_TAG, S.toString());
}
return new FileInputStream(this.mBaseName);
}
@NonNull
public byte[] readFully() throws IOException {
FileInputStream openRead = openRead();
try {
byte[] bArr = new byte[openRead.available()];
int i = 0;
while (true) {
int read = openRead.read(bArr, i, bArr.length - i);
if (read <= 0) {
return bArr;
}
i += read;
int available = openRead.available();
if (available > bArr.length - i) {
byte[] bArr2 = new byte[available + i];
System.arraycopy(bArr, 0, bArr2, 0, i);
bArr = bArr2;
}
}
} finally {
openRead.close();
}
}
@NonNull
public FileOutputStream startWrite() throws IOException {
if (this.mLegacyBackupName.exists()) {
rename(this.mLegacyBackupName, this.mBaseName);
}
try {
return new FileOutputStream(this.mNewName);
} catch (FileNotFoundException unused) {
if (this.mNewName.getParentFile().mkdirs()) {
try {
return new FileOutputStream(this.mNewName);
} catch (FileNotFoundException e) {
StringBuilder S = a.S("Failed to create new file ");
S.append(this.mNewName);
throw new IOException(S.toString(), e);
}
} else {
StringBuilder S2 = a.S("Failed to create directory for ");
S2.append(this.mNewName);
throw new IOException(S2.toString());
}
}
}
}