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class net.http.Client

BorisNen edited this page Jun 21, 2021 · 5 revisions

$.net.http.Client Class

HTTP(s) Client for outbound connectivity. This client supports HTTP and HTTPs connections over HTTP or SOCKS proxy. You can either use a destination (preferred way) or a URL as target. To use HTTPs you need to specify a trust store with the needed certificates (either in the destination or with setTrustStore).

To choose between HTTP and SOCKS proxy, the proxy URL starts with either "http://" or "socks://".

This HttpClient is equipped with a cookie database. If a previous response sent a "set-cookie" header, the cookie is stored for the relevant domain and path. Subsequent requests will be enriched with the stored cookies automatically.

Reference

  • SAP Help

https://help.sap.com/doc/3de842783af24336b6305a3c0223a369/2.0.03/en-US/$.net.http.Client.html

  • Module

https://github.com/SAP/xsk/tree/main/modules/api/api-xsjs/src/main/resources/xsk/http

  • Sample usage:
let http = $.net.http;
let response_prev = require('http/v4/response');

/*
Read service.xshttpdest inside the Demo package that contains:
host=https://services.odata.org;
pathPrefix=/V4/Northwind/Northwind.svc/;
*/
let dest = http.readDestination("Demo", "service");

// create client
let client = new http.Client();
let request = new http.Request(http.GET, "/"); // new Request(METHOD, PATH)
// the PATH will be prefixed by destination's pathPrefix, e.g. "/search?" on the request
// set the timeout in seconds
client.setTimeout(10);
// send the request and synchronously get the response
client.request(request, dest);
let response = client.getResponse();

// get all the cookies and headers from the response
let co = [], he = [];
for(let c in response.cookies) {
    co.push(response.cookies[c]);
}

for(let c in response.headers) {
    he.push(response.headers[c]);
}

// get the body
let body;
if(!response.body)
    body = "";
else
    body = response.body;

// check the contents of the response
response_prev.println("status: " +response.status+ " cookies: " +co+ " headers: " +he+ " body: " +body);
  • Coverage
Methods Return Type Description Status
close() void Close the connection. It is done automatically inside the HttpClientFacade. No need to call it explicitly!
getResponse() $.web.WebResponse Retrieve the response from the previously sent request synchronously/blocking. Throws an error if there is no valid response to return
request($.net.http.Request, $.net.http.Destination) void Send a new request object to the given destination. Throws an error if the request fails or the parameters are invalid.
request($.net.http.Request, url, proxy (optional)) void Send a request object to the given URL. Throws an error if the request fails or the parameters are invalid.
request(WebMethod ($.net.http), url, proxy (optional)) void Send a new request to the given URL, using the specified HTTP method. Throws an error if the request fails or the parameters are invalid.
setTimeout(timeout) void Sets the timeout for communication with the server. Throws an error if the parameter is not a numeric value.
setTrustStore(trustStore) void Sets the default trust store the will be used when issuing https:// requests via request(request, URI, ...)-syntax.
  • Issues

https://github.com/SAP/xsk/issues/20

  • Unit Tests

https://github.com/SAP/xsk/tree/main/modules/engines/engine-xsjs/src/test/resources/test/xsk/http/http.xsjs

  • Integration Tests ❌

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✅ - Feature implemented and working as supposed.
⚠️ - Feature partially implemented and needs to be finished.
❌ - Feature not implemented yet.

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