code: public static LicenseProvider createInstance(ZipFile zipFile, String laPrefix) {
          JarFile jar = null;
          try {
              jar = getJarFile(zipFile);
          } catch (IOException e) {
          }
          if (jar == null) {
              return null;
          }
          return ContentLicenseProvider.createInstance(new Content.JarContent(jar), laPrefix);
      }
docs: getLicenseInformation() and getLicenseName() will return null