示例#1
0
  @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;
  }
示例#2
0
  @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;
  }
示例#3
0
  @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;
  }