@Override
public StatementLRSResponse saveStatement(Statement statement) {
StatementLRSResponse lrsResponse = new StatementLRSResponse();
lrsResponse.setRequest(new HTTPRequest());
lrsResponse.getRequest().setResource("statements");
lrsResponse.getRequest().setContentType("application/json");
try {
lrsResponse
.getRequest()
.setContent(statement.toJSON(this.getVersion(), this.usePrettyJSON()).getBytes("UTF-8"));
} catch (IOException ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
return lrsResponse;
}
if (statement.getId() == null) {
lrsResponse.getRequest().setMethod(HttpMethods.POST);
} else {
lrsResponse.getRequest().setMethod(HttpMethods.PUT);
lrsResponse.getRequest().setQueryParams(new HashMap<String, String>());
lrsResponse.getRequest().getQueryParams().put("statementId", statement.getId().toString());
}
lrsResponse.setResponse(makeSyncRequest(lrsResponse.getRequest()));
int status = lrsResponse.getResponse().getStatus();
lrsResponse.setContent(statement);
// TODO: handle 409 conflict, etc.
if (status == 200) {
lrsResponse.setSuccess(true);
String content = lrsResponse.getResponse().getContent();
try {
lrsResponse
.getContent()
.setId(
UUID.fromString(
Mapper.getInstance().readValue(content, ArrayNode.class).get(0).textValue()));
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else if (status == 204) {
lrsResponse.setSuccess(true);
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}
private StatementLRSResponse getStatement(String id, String paramName) {
HTTPRequest request = new HTTPRequest();
request.setMethod(HttpMethods.GET);
request.setResource("statements");
request.setQueryParams(new HashMap<String, String>());
request.getQueryParams().put(paramName, id);
HTTPResponse response = makeSyncRequest(request);
int status = response.getStatus();
StatementLRSResponse lrsResponse = new StatementLRSResponse(request, response);
if (status == 200) {
lrsResponse.setSuccess(true);
try {
lrsResponse.setContent(new Statement(new StringOfJSON(response.getContent())));
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}