@Override
public State retrieveState(String id, String activityId, Agent agent, UUID registration)
throws Exception {
HashMap<String, String> params = new HashMap<String, String>();
params.put("stateId", id);
params.put("activityId", activityId);
params.put("agent", agent.toJSON(this.getVersion(), this.usePrettyJSON()));
if (registration != null) {
params.put("registration", registration.toString());
}
String queryString = "?";
Boolean first = true;
for (Map.Entry<String, String> parameter : params.entrySet()) {
queryString +=
(first ? "" : "&")
+ URLEncoder.encode(parameter.getKey(), "UTF-8")
+ "="
+ URLEncoder.encode(parameter.getValue(), "UTF-8").replace("+", "%20");
first = false;
}
HTTPRequest request = new HTTPRequest();
request.setURL(this.getEndpoint() + "activities/state" + queryString);
HTTPResponse response = this.sendRequest(request);
int status = response.getStatus();
if (status == 200) {
return new State(id, response.getContentBytes(), activityId, agent, registration);
} else if (status == 404) {
return null;
}
throw new UnexpectedHTTPResponse(response);
}
private LRSResponse getDocument(
String resource, Map<String, String> queryParams, Document document) {
HTTPRequest request = new HTTPRequest();
request.setMethod(HttpMethods.GET);
request.setResource(resource);
request.setQueryParams(queryParams);
HTTPResponse response = makeSyncRequest(request);
LRSResponse lrsResponse = new LRSResponse(request, response);
if (response.getStatus() == 200) {
document.setContent(response.getContentBytes());
document.setContentType(response.getContentType());
document.setTimestamp(response.getLastModified());
document.setEtag(response.getEtag());
lrsResponse.setSuccess(true);
} else if (response.getStatus() == 404) {
lrsResponse.setSuccess(true);
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}