public JsonObjectAssert pathIsDate(String path, String msg) { if (msg == null) { msg = ""; } String value = JsonPath.read(actual.toString(), path); assertNotNull("Value on path {" + path + "} was null", value); assertTrue("The specified value {" + value + "} on path {" + path + "} was no date: " + msg, DateUtils.isDate(value)); return this; }