dasf-messaging-typescript
Version:
Typescript RPC bindings for the data analytics software framework (DASF)
57 lines (56 loc) • 2.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DigitalEarthUrlBuilder = exports.DefaultDASFUrlBuilder = void 0;
var Type;
(function (Type) {
Type["producer"] = "producer";
Type["consumer"] = "consumer";
})(Type || (Type = {}));
/**
* Default url builder implementation based on host:port, namespace and topic
*/
class DefaultDASFUrlBuilder {
static BASE_DASF_URL = "ws://%host%:%port%/ws/v2/%type%/non-persistent/public/%namespace%/%topic%/";
topic;
consumeTopic;
DASFConsumerURL;
DASFProducerURL;
constructor(host, port, namespace, topic) {
this.topic = topic;
this.consumeTopic = this.generateConsumeTopic(topic);
this.DASFConsumerURL = this.buildUrl(host, port, namespace, Type.consumer, this.consumeTopic);
this.DASFProducerURL = this.buildUrl(host, port, namespace, Type.producer, this.topic);
}
buildUrl(host, port, namespace, type, topic) {
let url = DefaultDASFUrlBuilder.BASE_DASF_URL
.replace("%host%", host)
.replace("%port%", port)
.replace("%namespace%", namespace)
.replace("%type%", type)
.replace("%topic%", topic);
if (type == Type.consumer) {
// append subscription
url += this.generateSubscriptionPrefix() + "?subscriptionType=Exclusive";
}
return url;
}
generateConsumeTopic(topic) {
return topic + "_" + this.generateRequestToken();
}
generateSubscriptionPrefix() {
return "web-frontend-" + new Date().toISOString();
}
generateRequestToken() {
return Math.random().toString(16).slice(2);
}
}
exports.DefaultDASFUrlBuilder = DefaultDASFUrlBuilder;
class DigitalEarthUrlBuilder extends DefaultDASFUrlBuilder {
static HOST = "rz-vm154.gfz-potsdam.de";
static PORT = "8082";
static NAMESPACE = "digital-earth";
constructor(topic) {
super(DigitalEarthUrlBuilder.HOST, DigitalEarthUrlBuilder.PORT, DigitalEarthUrlBuilder.NAMESPACE, topic);
}
}
exports.DigitalEarthUrlBuilder = DigitalEarthUrlBuilder;