public List<List<Map<String, Object>>> targetShards(Resource resource) throws IOException {
List<List<Map<String, Object>>> shardsJson = null;
if (indexReadMissingAsEmpty) {
Response res = execute(GET, resource.targetShards(), false);
if (res.status() == HttpStatus.NOT_FOUND) {
shardsJson = Collections.emptyList();
} else {
shardsJson = parseContent(res.body(), "shards");
}
} else {
shardsJson = get(resource.targetShards(), "shards");
}
return shardsJson;
}
Response execute(Request request, boolean checkStatus) throws IOException {
Response response = network.execute(request);
if (checkStatus && response.hasFailed()) {
// check error first
String msg = parseContent(response.body(), "error");
if (!StringUtils.hasText(msg)) {
msg =
String.format(
"[%s] on [%s] failed; server[%s] returned [%s:%s]",
request.method().name(),
request.path(),
response.uri(),
response.status(),
response.statusDescription());
}
throw new IllegalStateException(msg);
}
return response;
}