private String listFiles(final File cache, List<File> toDelete) throws Exception { boolean stopServices = false; if (toDelete == null) { toDelete = new ArrayList<File>(); } else { stopServices = true; } int count = 0; Formatter f = new Formatter(); f.format(" - Cache:%n * %s%n", cache.getCanonicalPath()); f.format(" - Commands:%n"); for (CommandData cdata : getCommands(new File(cache, COMMANDS))) { f.format(" * %s \t0 handle for \"%s\"%n", cdata.bin, cdata.name); toDelete.add(new File(cdata.bin)); count++; } f.format(" - Services:%n"); for (ServiceData sdata : getServices(new File(cache, SERVICE))) { if (sdata != null) { f.format(" * %s \t0 service directory for \"%s\"%n", sdata.sdir, sdata.name); toDelete.add(new File(sdata.sdir)); File initd = platform.getInitd(sdata); if (initd != null && initd.exists()) { f.format(" * %s \t0 init.d file for \"%s\"%n", initd.getCanonicalPath(), sdata.name); toDelete.add(initd); } if (stopServices) { Service s = getService(sdata); try { s.stop(); } catch (Exception e) { } } count++; } } f.format("%n"); String result = (count > 0) ? f.toString() : null; f.close(); return result; }