Java Utililty Methods File Backup

List of utility methods to do File Backup

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Description

The list of methods to do File Backup are organized into topic(s).

Method

voidsaveBackup(File file, int backups, String backupPrefix, String backupSuffix, String backupDirectory)
Saves a backup (optionally numbered) of a file. 
if (backupPrefix == null)
    backupPrefix = "";
if (backupSuffix == null)
    backupSuffix = "";
String name = file.getName();
if (backups == 1) {
    file.renameTo(new File(backupDirectory, backupPrefix + name + backupSuffix));
else {
    new File(backupDirectory, backupPrefix + name + backupSuffix + backups + backupSuffix).delete();
    for (int i = backups - 1; i > 0; i--) {
        File backup = new File(backupDirectory, backupPrefix + name + backupSuffix + i + backupSuffix);
        backup.renameTo(
                new File(backupDirectory, backupPrefix + name + backupSuffix + (i + 1) + backupSuffix));
    file.renameTo(new File(backupDirectory, backupPrefix + name + backupSuffix + "1" + backupSuffix));