public static String getTagValueOrNull()

in util/src/main/java/com/google/cloud/healthcare/imaging/dicomadapter/AttributesUtil.java [60:73]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  public static String getTagValueOrNull(JSONObject json, String tag) {
    if (!json.has(tag)) {
      return null;
    }
    JSONObject jsonTag = json.getJSONObject(tag);
    if (!jsonTag.has("Value")) {
      return null;
    }
    JSONArray valueArray = jsonTag.getJSONArray("Value");
    if (valueArray.length() != 1) {
      return null;
    }
    return valueArray.getString(0);
  }