protected boolean checkResourceName(String resourceName) {
if (resourceName.indexOf('\\') != -1) return false; // don't allow backslashes
if (resourceName.indexOf(':') != -1) return false; // don't allow colons
if (resourceName.indexOf("..") != -1) return false; // don't allow parent indicators
if ("/".indexOf(resourceName.charAt(0)) != -1) return false; // don't allow absolute paths
// defer to our file filter
return strategy.getFilenameFilter().accept(directory, resourceName);
}
public List<String> listResourceNames() {
return FileUtils.listRecursively(directory, strategy.getFilenameFilter());
}
public boolean requiresWriteLock(String resourceName) {
FilenameFilter unlocked = strategy.getUnlockedFilter();
if (unlocked == null) return true;
else return !unlocked.accept(null, resourceName);
}
public Object getLockTarget() {
return new File(directory, strategy.getLockFilename());
}
public void backupCollection(String backupQualifier) throws IOException {
synchronized (writeLock) {
mostRecentBackup = strategy.getBackupHandler(directory).backup(backupQualifier);
}
}