private boolean is(State state) {
return state != null && state.equals(this.fsm.state());
}
@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);
}
}
// FSM logic.
@Override
public void onReceive(final Object message) throws Exception {
final Class<?> klass = message.getClass();
final State state = fsm.state();
final ActorRef sender = sender();
if (logger.isInfoEnabled()) {
logger.info(
"********** Media Group " + self().path() + " Current State: \"" + state.toString());
logger.info(
"********** Media Group "
+ self().path()
+ " Processing Message: \""
+ klass.getName()
+ " sender : "
+ sender.getClass());
}
if (Observe.class.equals(klass)) {
observe(message);
} else if (StopObserving.class.equals(klass)) {
stopObserving(message);
} else if (MediaGroupStatus.class.equals(klass)) {
if (active.equals(state)) {
sender().tell(new MediaGroupStateChanged(MediaGroupStateChanged.State.ACTIVE), self());
} else {
sender().tell(new MediaGroupStateChanged(MediaGroupStateChanged.State.INACTIVE), self());
}
} else if (StartMediaGroup.class.equals(klass)) {
if (logger.isInfoEnabled()) {
logger.info(
"MediaGroup: "
+ self().path()
+ " got StartMediaGroup from: "
+ sender().path()
+ " endpoint: "
+ endpoint.path()
+ " isTerminated: "
+ endpoint.isTerminated());
}
fsm.transition(message, acquiringIvr);
} else if (Join.class.equals(klass)) {
fsm.transition(message, acquiringInternalLink);
} else if (MediaGatewayResponse.class.equals(klass)) {
if (acquiringIvr.equals(state)) {
fsm.transition(message, acquiringLink);
} else if (acquiringLink.equals(state)) {
fsm.transition(message, initializingLink);
} else if (acquiringInternalLink.equals(state)) {
fsm.transition(message, initializingInternalLink);
}
} else if (LinkStateChanged.class.equals(klass)) {
final LinkStateChanged response = (LinkStateChanged) message;
if (LinkStateChanged.State.CLOSED == response.state()) {
if (initializingLink.equals(state)) {
fsm.transition(message, openingLink);
} else if (openingLink.equals(state)
|| deactivating.equals(state)
|| updatingLink.equals(state)) {
fsm.transition(message, inactive);
}
if (initializingInternalLink.equals(state)) {
fsm.transition(message, openingInternalLink);
}
} else if (LinkStateChanged.State.OPEN == response.state()) {
if (openingLink.equals(state)) {
fsm.transition(message, updatingLink);
} else if (updatingLink.equals(state)) {
fsm.transition(message, active);
}
if (openingInternalLink.equals(state)) {
fsm.transition(message, updatingInternalLink);
}
if (updatingInternalLink.equals(state)) {
fsm.transition(message, active);
}
}
} else if (StopMediaGroup.class.equals(klass)) {
if (acquiringLink.equals(state) || initializingLink.equals(state)) {
fsm.transition(message, inactive);
} else if (active.equals(state) || openingLink.equals(state) || updatingLink.equals(state)) {
fsm.transition(message, deactivating);
}
} else if (EndpointStateChanged.class.equals(klass)) {
onEndpointStateChanged((EndpointStateChanged) message, self(), sender);
} else if (active.equals(state)) {
if (Play.class.equals(klass)) {
play(message);
} else if (Collect.class.equals(klass)) {
collect(message);
} else if (Record.class.equals(klass)) {
record(message);
} else if (Stop.class.equals(klass)) {
stop(lastEvent);
// Send message to originator telling media group has been stopped
// Needed for call bridging scenario, where inbound call must stop
// ringing before attempting to perform join operation.
sender().tell(new MediaGroupResponse<String>("stopped"), self());
} else if (IvrEndpointResponse.class.equals(klass)) {
notification(message);
}
} else if (ivrInUse) {
if (Stop.class.equals(klass)) {
stop(lastEvent);
}
}
}