Lese-schreib-Erlaubnis (read-write-permission) für ein Verzeichnis testen

java.security.Permissions

boolean fHasPermission;
try {
   AccessController.checkPermission(new FilePermission("/temp/*", "read,write"));
   fHasPermission = true;
} catch (SecurityException e) {
   fHasPermission = false;
}
if (fHasPermission)
   ...