public static Date parseBackupTag(String tag) throws ParseException {
if (tag == null) {
throw new ParseException("Can't parse backup date because tag is null", -1);
}
int beginIndex = tag.length() - BackupConstants.SCHEDULED_BACKUP_DATE_PATTERN.length();
if (beginIndex < 0) {
throw new ParseException(
"Can't parse backup date from wrong begin index for tag: " + tag, beginIndex);
}
return parseTimestamp(tag.substring(beginIndex));
}
public static List<String> pickScheduledBackupTags(Collection<String> tags) {
ArrayList<String> scheduledTags = new ArrayList<>();
// Typically, this pattern String could match all tags produced by toBackupTag method
// also in consideration of extension, version part could be longer and node count could bigger
String regex =
String.format(
BackupConstants.SCHEDULED_BACKUP_TAG_REGEX_PATTERN,
ProductName.getName(),
BackupConstants.SCHEDULED_BACKUP_DATE_PATTERN.length());
Pattern backupNamePattern = Pattern.compile(regex);
for (String tag : tags) {
if (backupNamePattern.matcher(tag).find()) {
scheduledTags.add(tag);
}
}
log.info("Scheduled backup tags: {}", scheduledTags);
return scheduledTags;
}