code: private boolean hasJsonSchemaFile(ZipFile jarFile, Class<?> modelClass) throws IOException {
      String path = JsonSchemaBundleTracker.SCHEMA_CLASSPATH_PREFIX + "/" + modelClass.getName() + ".json";
      return jarFile.getEntry(path) != null;
    }
docs: Gets bundle header/mainfest entry Caravan-HalDocs-DomainPath from given JAR file.
  @param jarFile JAR file
  @return Header value or null
  @throws IOException