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(function() {
window.UoSLive = {};
var busStopRequests = {};
UoSLive.getBusStopURL = function(busStop) {
var base = "http://bus.southampton.ac.uk/bus-stop/";
var url = base + busStop + ".json";
return url;
};
UoSLive.subscribeToBusStop = function(busStop, callback) {
var url = UoSLive.getBusStopURL(busStop);
var req = new Pollymer.Request();
busStopRequests[busStop] = req;
req.recurring = true;
req.on('finished', function(code, result, headers) {
callback(result);
});
req.on('error', function(reason) {
});
req.maxTries = -1;
req.maxDelay = 60000;
req.start('GET', url);
};
UoSLive.unsubscribeToBusStop = function(busStop) {
var req = busStopRequests[busStop];
req.abort();
}
})();
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