@Override
public void onReceive(ActorRef httpService, HttpRequest message) throws Exception {
ApiHttpMessage apiMessage = ApiHttpMessage.parse(message);
if (apiMessage == null) {
log.warn(String.format("Invalid url path[%s]", message.getUrl()));
sendHttpResponse(httpService, HttpResponseStatus.BAD_REQUEST, null);
return;
}
// double check domain
if (!apiMessage.getDomain().toLowerCase().startsWith("user")) {
log.warn(
String.format("Not registered for this controller[%s != user]", apiMessage.getDomain()));
sendHttpResponse(httpService, HttpResponseStatus.BAD_REQUEST, null);
return;
}
if (log.isDebugEnabled()) {
log.debug(String.format("%s %s", apiMessage.getActorId(), apiMessage.getMethod()));
}
// create / update user ?
ActorRef user = null;
if (HttpMethod.POST == apiMessage.getMethod()) {
user = createActor(httpService, apiMessage);
if (user == null) {
// user not created, whilst it should. Response have been sent
return;
}
} else {
user = getSystem().actorFor(String.format("user/%s", apiMessage.getActorId()));
}
if (HttpMethod.DELETE == apiMessage.getMethod()) {
if (ApiConfig.checkForExistenceBeforeDelete()) {
user.tell(apiMessage, httpService);
} else {
// remove user directly (without checking if it exist)
getSystem().stop(user);
sendHttpResponse(httpService, HttpResponseStatus.OK, null);
}
} else {
// ok, dispatch message to user, but use httpService as sender, since the onUndelivered
// doesn't have a handle to the temporarily httpResponseActor
user.tell(apiMessage, httpService);
}
}
private ActorRef createActor(ActorRef httpService, ApiHttpMessage message) {
if (!message.hasContent()) {
sendHttpResponse(httpService, HttpResponseStatus.NO_CONTENT, null);
return null;
}
if (message.getMethod() != HttpMethod.POST) {
sendHttpResponse(httpService, HttpResponseStatus.NOT_ACCEPTABLE, "Post method required");
return null;
}
if (!message.hasJsonContentType()) {
sendHttpResponse(httpService, HttpResponseStatus.NOT_ACCEPTABLE, "No JSon content type");
return null;
}
User.State state = message.getContent(User.State.class);
if (state == null) {
sendHttpResponse(
httpService, HttpResponseStatus.NOT_ACCEPTABLE, "JSon content not of type User.State");
return null;
}
// uid
String uid = state.getUsername();
if (!StringUtils.hasLength(uid)) {
sendHttpResponse(
httpService, HttpResponseStatus.NOT_ACCEPTABLE, "No username found in User.State");
return null;
}
if (StringUtils.hasLength(message.getActorId()) && !uid.equals(message.getActorId())) {
log.warn(
String.format(
"Username of state[%s] does not equal the UID found in url[%s]. " + "Using [%s]",
uid, message.getActorId(), uid));
}
try {
return getSystem().actorOf(String.format("user/%s", uid), User.class, state);
} catch (Exception e) {
log.error(e.getMessage(), e);
sendHttpResponse(httpService, HttpResponseStatus.INTERNAL_SERVER_ERROR, e.getMessage());
}
return null;
}
