Examples with ErrorCode de.rwth.idsg.steve.ocpp.ws.data.ErrorCode used on opensource projects

Example 1 with ErrorCode

use of de.rwth.idsg.steve.ocpp.ws.data.ErrorCode in project steve by RWTH-i5-IDSG.

the class Deserializer method handleError.

/**
 * Do NOT catch and handle exceptions for incoming RESPONSEs. Let the processing fail.
 * There is no mechanism in OCPP to report back such erroneous messages.
 */
private void handleError(CommunicationContext context, String messageId, JsonParser parser) {
    FutureResponseContext responseContext = futureResponseContextStore.get(context.getSession(), messageId);
    if (responseContext == null) {
        throw new SteveException("An error message was received as response to a not-sent call. The message was: %s", context.getIncomingString());
    }
    ErrorCode code;
    String desc;
    String details = null;
    try {
        parser.nextToken();
        code = ErrorCode.fromValue(parser.getText());
        parser.nextToken();
        desc = parser.getText();
        // ErrorDescription - Should be filled in if possible, otherwise a clear empty string "".
        if ("".equals(desc)) {
            desc = null;
        }
        // From spec:
        // ErrorDetails - This JSON object describes error details in an undefined way.
        // If there are no error details you should fill in an empty object {}, missing or null is not allowed
        parser.nextToken();
        TreeNode detailsNode = parser.readValueAsTree();
        if (detailsNode != null && detailsNode.size() != 0) {
            details = mapper.writeValueAsString(detailsNode);
        }
    } catch (IOException e) {
        throw new SteveException("Deserialization of incoming error message failed", e);
    }
    OcppJsonError error = new OcppJsonError();
    error.setMessageId(messageId);
    error.setErrorCode(code);
    error.setErrorDescription(desc);
    error.setErrorDetails(details);
    context.setIncomingMessage(error);
    context.createErrorHandler(responseContext.getTask());
}