@Override
public void execute(final Object message) throws Exception {
if (logger.isInfoEnabled()) {
logger.info("In Ready state");
}
// ussdCall.tell(new Answer(), source);
// Execute the received RCML here
final UntypedActorContext context = getContext();
final State state = fsm.state();
if (downloadingRcml.equals(state)
|| downloadingFallbackRcml.equals(state)
|| processingInfoRequest.equals(state)) {
response = ((DownloaderResponse) message).get();
if (parser != null) {
context.stop(parser);
parser = null;
}
final String type = response.getContentType();
if (type.contains("text/xml")
|| type.contains("application/xml")
|| type.contains("text/html")) {
parser = parser(response.getContentAsString());
} else if (type.contains("text/plain")) {
parser = parser("<UssdMessage>" + response.getContentAsString() + "</UssdMessage>");
} else {
final StopInterpreter stop = new StopInterpreter();
source.tell(stop, source);
return;
}
}
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, source);
}
@Override
public void execute(final Object message) throws Exception {
if (logger.isInfoEnabled()) {
logger.info("UssdInterpreter Processing INFO request");
}
final NotificationsDao notifications = storage.getNotificationsDao();
SipServletRequest info = (SipServletRequest) message;
SipServletResponse okay = info.createResponse(200);
okay.send();
UssdInfoRequest ussdInfoRequest = new UssdInfoRequest(info);
String ussdText = ussdInfoRequest.getMessage();
if (ussdCollectAction != null && !ussdCollectAction.isEmpty() && ussdText != null) {
URI target = null;
try {
target = URI.create(ussdCollectAction);
} catch (final Exception exception) {
final Notification notification =
notification(ERROR_NOTIFICATION, 11100, ussdCollectAction + " is an invalid URI.");
notifications.addNotification(notification);
sendMail(notification);
final StopInterpreter stop = new StopInterpreter();
source.tell(stop, source);
return;
}
final URI base = request.getUri();
final URI uri = UriUtils.resolve(base, target);
// Parse "method".
String method = "POST";
Attribute attribute = null;
try {
attribute = verb.attribute("method");
} catch (Exception e) {
}
if (attribute != null) {
method = attribute.value();
if (method != null && !method.isEmpty()) {
if (!"GET".equalsIgnoreCase(method) && !"POST".equalsIgnoreCase(method)) {
final Notification notification =
notification(
WARNING_NOTIFICATION,
14104,
method + " is not a valid HTTP method for <Gather>");
notifications.addNotification(notification);
method = "POST";
}
} else {
method = "POST";
}
}
final List<NameValuePair> parameters = parameters();
parameters.add(new BasicNameValuePair("Digits", ussdText));
request = new HttpRequestDescriptor(uri, method, parameters);
downloader.tell(request, source);
ussdCollectTag = null;
ussdLanguageTag = null;
ussdMessageTags = new LinkedBlockingQueue<Tag>();
return;
} else if (ussdInfoRequest
.getUssdMessageType()
.equals(UssdMessageType.unstructuredSSNotify_Response)) {
UssdRestcommResponse ussdRestcommResponse = new UssdRestcommResponse();
ussdRestcommResponse.setErrorCode("1");
ussdRestcommResponse.setIsFinalMessage(true);
ussdCall.tell(ussdRestcommResponse, source);
return;
}
// Ask the parser for the next action to take.
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, self());
}
@Override
public void onReceive(final Object message) throws Exception {
final Class<?> klass = message.getClass();
final State state = fsm.state();
final ActorRef sender = sender();
final ActorRef source = self();
if (logger.isInfoEnabled()) {
logger.info(" ********** UssdInterpreter's Current State: " + state.toString());
logger.info(" ********** UssdInterpreter's Processing Message: " + klass.getName());
}
if (StartInterpreter.class.equals(klass)) {
ussdCall = ((StartInterpreter) message).resource();
fsm.transition(message, acquiringCallInfo);
} else if (message instanceof SipServletRequest) {
SipServletRequest request = (SipServletRequest) message;
String method = request.getMethod();
if ("INFO".equalsIgnoreCase(method)) {
fsm.transition(message, processingInfoRequest);
} else if ("ACK".equalsIgnoreCase(method)) {
fsm.transition(message, downloadingRcml);
} else if ("BYE".equalsIgnoreCase(method)) {
fsm.transition(message, disconnecting);
} else if ("CANCEL".equalsIgnoreCase(method)) {
fsm.transition(message, cancelling);
}
} else if (CallStateChanged.class.equals(klass)) {
final CallStateChanged event = (CallStateChanged) message;
callState = event.state();
if (CallStateChanged.State.RINGING == event.state()) {
if (logger.isInfoEnabled()) {
logger.info("CallStateChanged.State.RINGING");
}
} else if (CallStateChanged.State.IN_PROGRESS == event.state()) {
if (logger.isInfoEnabled()) {
logger.info("CallStateChanged.State.IN_PROGRESS");
}
} else if (CallStateChanged.State.NO_ANSWER == event.state()
|| CallStateChanged.State.COMPLETED == event.state()
|| CallStateChanged.State.FAILED == event.state()
|| CallStateChanged.State.CANCELED == event.state()) {
if (logger.isInfoEnabled()) {
logger.info(
"CallStateChanged.State.NO_ANSWER OR CallStateChanged.State.COMPLETED OR CallStateChanged.State.FAILED or CallStateChanged.State.CANCELED");
}
fsm.transition(message, finished);
} else if (CallStateChanged.State.BUSY == event.state()) {
if (logger.isInfoEnabled()) {
logger.info("CallStateChanged.State.BUSY");
}
}
// else if (CallStateChanged.State.COMPLETED == event.state()) {
// logger.info("CallStateChanged.State.Completed");
// fsm.transition(message, finished);
// }
} else if (CallResponse.class.equals(klass)) {
if (acquiringCallInfo.equals(state)) {
@SuppressWarnings("unchecked")
final CallResponse<CallInfo> response = (CallResponse<CallInfo>) message;
// Check from whom is the message (initial call or outbound call) and update info
// accordingly
if (sender == ussdCall) {
callInfo = response.get();
} else {
outboundCallInfo = response.get();
}
final String direction = callInfo.direction();
if ("inbound".equals(direction)) {
ussdCall.tell(new Answer(callInfo.sid()), source);
// fsm.transition(message, downloadingRcml);
} else {
fsm.transition(message, downloadingRcml);
// fsm.transition(message, initializingCall);
}
}
} else if (DownloaderResponse.class.equals(klass)) {
final DownloaderResponse response = (DownloaderResponse) message;
if (response.succeeded() && HttpStatus.SC_OK == response.get().getStatusCode()) {
if (logger.isDebugEnabled()) {
logger.debug(
"Rcml URI : "
+ response.get().getURI()
+ "response succeeded "
+ response.succeeded()
+ ", statusCode "
+ response.get().getStatusCode());
}
fsm.transition(message, ready);
} else if (response.succeeded()
&& HttpStatus.SC_NOT_FOUND == response.get().getStatusCode()) {
fsm.transition(message, notFound);
} else {
if (downloadingRcml.equals(state)) {
if (fallbackUrl != null) {
fsm.transition(message, downloadingFallbackRcml);
} else {
fsm.transition(message, finished);
}
} else {
fsm.transition(message, finished);
}
}
} else if (ParserFailed.class.equals(klass)) {
if (logger.isInfoEnabled()) {
logger.info("ParserFailed received. Will stop the call");
}
fsm.transition(message, cancelling);
} else if (Tag.class.equals(klass)) {
final Tag verb = (Tag) message;
if (ussdLanguage.equals(verb.name())) {
if (ussdLanguageTag == null) {
ussdLanguageTag = verb;
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, source);
} else {
// We support only one Language element
invalidVerb(verb);
}
return;
} else if (ussdMessage.equals(verb.name())) {
ussdMessageTags.add(verb);
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, source);
return;
} else if (ussdCollect.equals(verb.name())) {
if (ussdCollectTag == null) {
ussdCollectTag = verb;
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, source);
} else {
// We support only one Collect element
invalidVerb(verb);
}
return;
} else {
invalidVerb(verb);
}
} else if (End.class.equals(klass)) {
fsm.transition(message, preparingMessage);
}
}
void invalidVerb(final Tag verb) {
final ActorRef self = self();
// Get the next verb.
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, self);
}
