dt-common-device
Version:
A secure and robust device management library for IoT applications
117 lines (116 loc) • 6.11 kB
JavaScript
;
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
var __setFunctionName = (this && this.__setFunctionName) || function (f, name, prefix) {
if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DeviceEventTransformerFactory = void 0;
const typedi_1 = require("typedi");
/**
* Abstract base factory for creating device event transformers
* This class can be moved to dt-common-device and extended by specific device type factories
*/
let DeviceEventTransformerFactory = (() => {
let _classDecorators = [(0, typedi_1.Service)()];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
var DeviceEventTransformerFactory = _classThis = class {
/**
* Create a default transformer for unsupported or generic device types
* This method can be overridden by subclasses to provide device-specific default behavior
*/
createDefaultTransformer(deviceType, rawData) {
return new (class {
constructor(deviceType, rawData) {
this.deviceType = deviceType;
this.rawData = rawData;
}
parseData(rawData) {
// Default parsing - return as-is
return rawData;
}
transform(parsedData) {
// Default transformation - return as-is
return parsedData;
}
validate(transformedEvent) {
// Default validation - always return true
return true;
}
async executeTransformation() {
try {
const parsedData = this.parseData(this.rawData);
const transformedResult = await this.transform(parsedData);
const events = Array.isArray(transformedResult) ? transformedResult : [transformedResult];
return events.filter((event) => this.validate(event));
}
catch (error) {
console.error(`Error in default transformer for device type ${this.deviceType}:`, error);
return [];
}
}
})(deviceType, rawData);
}
/**
* Handle unsupported device types
* This method can be overridden by subclasses to provide custom handling
*/
handleUnsupportedDeviceType(deviceType) {
console.warn(`Unsupported device type: ${deviceType}`);
return null;
}
/**
* Handle errors during transformer creation
* This method can be overridden by subclasses to provide custom error handling
*/
handleTransformerCreationError(deviceType, error) {
console.error(`Error creating transformer for device type ${deviceType}:`, error);
return null;
}
};
__setFunctionName(_classThis, "DeviceEventTransformerFactory");
(() => {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(null) : void 0;
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
DeviceEventTransformerFactory = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
})();
return DeviceEventTransformerFactory = _classThis;
})();
exports.DeviceEventTransformerFactory = DeviceEventTransformerFactory;