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check id parent dir exists for backup

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This commit is contained in:
Manfred Karrer 2016-04-13 13:51:40 +02:00
parent b621c86e33
commit 81fcc82972
1 changed files with 23 additions and 21 deletions
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44
common/src/main/java/io/bitsquare/storage/FileUtil.java
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@ -16,30 +16,32 @@ public class FileUtil {
private static final Logger log = LoggerFactory.getLogger(FileUtil.class); private static final Logger log = LoggerFactory.getLogger(FileUtil.class);
public static void rollingBackup(File dir, String fileName) { public static void rollingBackup(File dir, String fileName) {
File backupDir = new File(Paths.get(dir.getAbsolutePath(), "backup").toString()); if (dir.exists()) {
if (!backupDir.exists()) File backupDir = new File(Paths.get(dir.getAbsolutePath(), "backup").toString());
if (!backupDir.mkdir()) if (!backupDir.exists())
log.warn("make dir failed"); if (!backupDir.mkdir())
log.warn("make dir failed.\nBackupDir=" + backupDir.getAbsolutePath());
File origFile = new File(Paths.get(dir.getAbsolutePath(), fileName).toString()); File origFile = new File(Paths.get(dir.getAbsolutePath(), fileName).toString());
if (origFile.exists()) { if (origFile.exists()) {
String dirName = "backups_" + fileName; String dirName = "backups_" + fileName;
if (dirName.contains(".")) if (dirName.contains("."))
dirName = dirName.replace(".", "_"); dirName = dirName.replace(".", "_");
File backupFileDir = new File(Paths.get(backupDir.getAbsolutePath(), dirName).toString()); File backupFileDir = new File(Paths.get(backupDir.getAbsolutePath(), dirName).toString());
if (!backupFileDir.exists()) if (!backupFileDir.exists())
if (!backupFileDir.mkdir()) if (!backupFileDir.mkdir())
log.warn("make backupFileDir failed"); log.warn("make backupFileDir failed");
File backupFile = new File(Paths.get(backupFileDir.getAbsolutePath(), new Date().getTime() + "_" + fileName).toString()); File backupFile = new File(Paths.get(backupFileDir.getAbsolutePath(), new Date().getTime() + "_" + fileName).toString());
try { try {
Files.copy(origFile, backupFile); Files.copy(origFile, backupFile);
pruneBackup(backupFileDir); pruneBackup(backupFileDir);
} catch (IOException e) { } catch (IOException e) {
log.error("Backup key failed " + e.getMessage()); log.error("Backup key failed " + e.getMessage());
e.printStackTrace(); e.printStackTrace();
}
} }
} }
} }
@ -57,7 +59,7 @@ public class FileUtil {
log.error("Failed to delete file: " + file); log.error("Failed to delete file: " + file);
else else
pruneBackup(backupDir); pruneBackup(backupDir);
} else { } else {
pruneBackup(new File(Paths.get(backupDir.getAbsolutePath(), file.getName()).toString())); pruneBackup(new File(Paths.get(backupDir.getAbsolutePath(), file.getName()).toString()));
} }