@Override
    public void onProcessArchiveStart(File file) {
      if (args.verbose) {
        context.out.println("processing archive " + file + "...");
      }
    }
Callback class for processing input file bytes, produced by the ClassPathOpener.
android/android_framework/dex-maker/src/main/java/com/android/dx/command/dexer/Main.java