sdk-javascript/lib/bindings/http/emitter_binary_0_1.js

94 lines
2.0 KiB
JavaScript

var axios = require("axios");
const Constants = require("./constants.js");
const headerByGetter = {};
headerByGetter["getContenttype"] = {
name : Constants.HEADER_CONTENT_TYPE,
parser : (v) => v
};
headerByGetter["getType"] = {
name : "CE-EventType",
parser : (v) => v
};
headerByGetter["getSpecversion"] = {
name : "CE-CloudEventsVersion",
parser : (v) => v
};
headerByGetter["getSource"] = {
name : "CE-Source",
parser : (v) => v
};
headerByGetter["getId"] = {
name : "CE-EventID",
parser : (v) => v
};
headerByGetter["getEventTypeVersion"] = {
name : "CE-EventTypeVersion",
parser : (v) => v
};
headerByGetter["getTime"] = {
name : "CE-EventTime",
parser : (v) => v
};
headerByGetter["getSchemaurl"] = {
name : "CE-SchemaURL",
parser : (v) => v
};
function HTTPBinary(configuration){
this.config = JSON.parse(JSON.stringify(configuration));
if(!this.config["headers"]){
this.config["headers"] = {};
}
this.config["headers"]
[Constants.HEADER_CONTENT_TYPE] =
Constants.MIME_JSON + "; charset=" + Constants.CHARSET_DEFAULT;
}
HTTPBinary.prototype.emit = function(cloudevent){
// Create new request object
var _config = JSON.parse(JSON.stringify(this.config));
// Always set stuff in _config
var _headers = _config["headers"];
Object.keys(headerByGetter)
.filter((getter) => cloudevent[getter]())
.forEach((getter) => {
let header = headerByGetter[getter];
_headers[header.name] =
header.parser(
cloudevent[getter]()
);
});
// Set the cloudevent payload
_config["data"] = cloudevent.format().data;
// EXTENSION CONTEXT ATTRIBUTES
var exts = cloudevent.getExtensions();
Object.keys(exts)
.filter((ext) => Object.hasOwnProperty.call(exts, ext))
.forEach((ext) => {
let capsExt = ext.charAt(0).toUpperCase() + ext.slice(1);
_headers["CE-X-" + capsExt] = exts[ext];
});
// Return the Promise
return axios.request(_config);
};
module.exports = HTTPBinary;