code: public void purge() throws VictimsException {
          try {
              File cache = new File(location);
              if (cache.exists()) {
                  FileUtils.deleteDirectory(cache);
              }
              create(cache);
          } catch (IOException e) {
              throw new VictimsException("Could not purge on disk cache.", e);
          }
      }
docs: Purge the cache. The cache directory is removed and re-recreated.
  
  @throws VictimsException