@Override
public AboutLRSResponse about() {
HTTPRequest request = new HTTPRequest();
request.setMethod(HttpMethods.GET);
request.setResource("about");
HTTPResponse response = makeSyncRequest(request);
int status = response.getStatus();
AboutLRSResponse lrsResponse = new AboutLRSResponse(request, response);
if (status == 200) {
lrsResponse.setSuccess(true);
try {
lrsResponse.setContent(new About(response.getContent()));
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}
private ProfileKeysLRSResponse getProfileKeys(
String resource, HashMap<String, String> queryParams) {
HTTPRequest request = new HTTPRequest();
request.setMethod(HttpMethods.GET);
request.setResource(resource);
request.setQueryParams(queryParams);
HTTPResponse response = makeSyncRequest(request);
ProfileKeysLRSResponse lrsResponse = new ProfileKeysLRSResponse(request, response);
if (response.getStatus() == 200) {
lrsResponse.setSuccess(true);
try {
Iterator it =
Mapper.getInstance().readValue(response.getContent(), ArrayNode.class).elements();
lrsResponse.setContent(new ArrayList<String>());
while (it.hasNext()) {
lrsResponse.getContent().add(it.next().toString());
}
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} 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;
}
@Override
public StatementsResultLRSResponse saveStatements(List<Statement> statements) {
StatementsResultLRSResponse lrsResponse = new StatementsResultLRSResponse();
if (statements.isEmpty()) {
lrsResponse.setSuccess(true);
return lrsResponse;
}
ArrayNode rootNode = Mapper.getInstance().createArrayNode();
for (Statement statement : statements) {
rootNode.add(statement.toJSONNode(getVersion()));
}
lrsResponse.setRequest(new HTTPRequest());
lrsResponse.getRequest().setResource("statements");
lrsResponse.getRequest().setMethod(HttpMethods.POST);
lrsResponse.getRequest().setContentType("application/json");
try {
lrsResponse
.getRequest()
.setContent(Mapper.getWriter(this.usePrettyJSON()).writeValueAsBytes(rootNode));
} catch (JsonProcessingException ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
return lrsResponse;
}
HTTPResponse response = makeSyncRequest(lrsResponse.getRequest());
int status = response.getStatus();
lrsResponse.setResponse(response);
if (status == 200) {
lrsResponse.setSuccess(true);
lrsResponse.setContent(new StatementsResult());
try {
Iterator it =
Mapper.getInstance().readValue(response.getContent(), ArrayNode.class).elements();
for (int i = 0; it.hasNext(); ++i) {
lrsResponse.getContent().getStatements().add(statements.get(i));
lrsResponse
.getContent()
.getStatements()
.get(i)
.setId(UUID.fromString(((JsonNode) it.next()).textValue()));
}
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}
@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;
}
@Override
public StatementsResultLRSResponse queryStatements(StatementsQueryInterface query) {
// Setup empty query object if null was passed in
if (query == null) {
query =
(this.getVersion() == TCAPIVersion.V095)
? new com.rusticisoftware.tincan.v095.StatementsQuery()
: new StatementsQuery();
}
// Choke if the query parameters don't match the LRS version
if (this.getVersion() != query.getVersion()) {
throw new IncompatibleTCAPIVersion(
"Attempted to issue "
+ this.getVersion()
+ " query using a "
+ query.getVersion()
+ " set of query parameters.");
}
StatementsResultLRSResponse lrsResponse = new StatementsResultLRSResponse();
lrsResponse.setRequest(new HTTPRequest());
lrsResponse.getRequest().setMethod(HttpMethods.GET);
lrsResponse.getRequest().setResource("statements");
try {
lrsResponse.getRequest().setQueryParams(query.toParameterMap());
} catch (IOException ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
return lrsResponse;
}
HTTPResponse response = makeSyncRequest(lrsResponse.getRequest());
lrsResponse.setResponse(response);
if (response.getStatus() == 200) {
lrsResponse.setSuccess(true);
try {
lrsResponse.setContent(new StatementsResult(new StringOfJSON(response.getContent())));
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}
@Override
public StatementsResultLRSResponse moreStatements(String moreURL) {
if (moreURL == null) {
return null;
}
// moreURL is relative to the endpoint's server root
URL endpoint = this.getEndpoint();
String url =
endpoint.getProtocol()
+ "://"
+ endpoint.getHost()
+ (endpoint.getPort() == -1 ? "" : ":" + endpoint.getPort())
+ moreURL;
HTTPRequest request = new HTTPRequest();
request.setResource(url);
request.setMethod(HttpMethods.GET);
HTTPResponse response = makeSyncRequest(request);
StatementsResultLRSResponse lrsResponse = new StatementsResultLRSResponse(request, response);
if (response.getStatus() == 200) {
lrsResponse.setSuccess(true);
try {
lrsResponse.setContent(new StatementsResult(new StringOfJSON(response.getContent())));
} catch (Exception ex) {
lrsResponse.setErrMsg("Exception: " + ex.toString());
lrsResponse.setSuccess(false);
}
} else {
lrsResponse.setSuccess(false);
}
return lrsResponse;
}