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automatically restore backup cache if corrupt

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This commit is contained in:
woodser 2024-09-03 12:44:58 -04:00
parent 2d0f200aa1
commit a8e76fd720
2 changed files with 111 additions and 11 deletions
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20
common/src/main/java/haveno/common/file/FileUtil.java
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@ -40,10 +40,13 @@ import java.util.Scanner;
@Slf4j
public class FileUtil {
private static final String BACKUP_DIR = "backup";
public static void rollingBackup(File dir, String fileName, int numMaxBackupFiles) {
if (numMaxBackupFiles <= 0) return;
if (dir.exists()) {
File backupDir = new File(Paths.get(dir.getAbsolutePath(), "backup").toString());
File backupDir = new File(Paths.get(dir.getAbsolutePath(), BACKUP_DIR).toString());
if (!backupDir.exists())
if (!backupDir.mkdir())
log.warn("make dir failed.\nBackupDir=" + backupDir.getAbsolutePath());
@ -72,8 +75,21 @@ public class FileUtil {
}
}
public static File getLatestBackupFile(File dir, String fileName) {
File backupDir = new File(Paths.get(dir.getAbsolutePath(), BACKUP_DIR).toString());
if (!backupDir.exists()) return null;
String dirName = "backups_" + fileName;
if (dirName.contains(".")) dirName = dirName.replace(".", "_");
File backupFileDir = new File(Paths.get(backupDir.getAbsolutePath(), dirName).toString());
if (!backupFileDir.exists()) return null;
File[] files = backupFileDir.listFiles();
if (files == null || files.length == 0) return null;
Arrays.sort(files, Comparator.comparing(File::getName));
return files[files.length - 1];
}
public static void deleteRollingBackup(File dir, String fileName) {
File backupDir = new File(Paths.get(dir.getAbsolutePath(), "backup").toString());
File backupDir = new File(Paths.get(dir.getAbsolutePath(), BACKUP_DIR).toString());
if (!backupDir.exists()) return;
String dirName = "backups_" + fileName;
if (dirName.contains(".")) dirName = dirName.replace(".", "_");