docs: public static void explodeJar(JarFile jarFile, String destDir) throws IOException {
          Enumeration<java.util.jar.JarEntry> enu = jarFile.entries();
          while (enu.hasMoreElements()) {
              JarEntry je = enu.nextElement();
  
              File fl = new File(destDir, je.getName());
              if (!fl.exists()) {
                  fl.getParentFile().mkdirs();
                  fl = new File(destDir, je.getName());
              }
              if (je.isDirectory()) {
                  continue;
              }
              InputStream is = null;
              try {
                  is = jarFile.getInputStream(je);
                  Files.copy(is, fl.toPath(), StandardCopyOption.REPLACE_EXISTING);
              } finally {
                  if (is != null) {
                      is.close();
                  }
              }
          }
      }