Method prepareFields

src/java/org/apache/nutch/api/impl/db/DbReader.java:84–90

(Set<String> fields)

  }

  private String[] prepareFields(Set<String> fields) {
    if (CollectionUtils.isEmpty(fields)) {
      return null;
    }
    fields.remove("url");
    return fields.toArray(new String[fields.size()]);
  }
}