[FIX] sap.ui.model.json.JSONModel#loadData: Don't use JSONP

JSONP is an outdated way to do cross-origin requests. To avoid JSONP
by mistake JSONP is disabled. The replacement of ?? by a JSONP callback
handler does not happen any more.

PS1: Downport to 1.121
PS2: Resolve merge conflict

Change-Id: I4afa94bb806c7af726f53f30f055f74bc5e9d845
SNOW: DINC0180763
Fixes: #4064
CR-Id: 002075125900002228892024
(cherry picked from commit a51660d)

src/sap.ui.core/src/sap/ui/model/json/JSONModel.js

@@ -170,22 +170,28 @@ sap.ui.define([
 	};
 
 	/**
-	 * Load JSON-encoded data from the server using a GET HTTP request and store the resulting JSON data in the model.
+	 * Loads JSON-encoded data from the server and stores the resulting JSON data in the model.
 	 * Note: Due to browser security restrictions, most "Ajax" requests are subject to the same origin policy,
 	 * the request can not successfully retrieve data from a different domain, subdomain, or protocol.
 	 *
-	 * @param {string} sURL A string containing the URL to which the request is sent.
-	 * @param {object | string} [oParameters] A map or string that is sent to the server with the request.
-	 * Data that is sent to the server is appended to the URL as a query string.
-	 * If the value of the data parameter is an object (map), it is converted to a string and
-	 * url-encoded before it is appended to the URL.
+	 * Note: To send a JSON object in the body of a "POST" request to load the model data, <code>oParameters</code> has
+	 * to be the JSON-stringified value of the object to be sent, and <code>mHeaders</code> has to contain a
+	 * <code>"Content-Type"</code> property with the value <code>"application/json;charset=utf-8"</code>.
+	 *
+	 * @param {string} sURL A string containing the URL to which the request is sent
+	 * @param {object | string} [oParameters]
+	 *   The data to be sent to the server with the data-loading request. If <code>oParameters</code> is a string, it
+	 *   has to be encoded based on the used content type. The default encoding is
+	 *   <code>'application/x-www-form-urlencoded; charset=UTF-8'</code> but it may be overwritten via the
+	 *   <code>"Content-Type"</code> property given in <code>mHeaders</code>. If <code>oParameters</code> is an object,
+	 *   a string is generated and the keys and values are URL-encoded. The resulting string is appended to the URL if
+	 *   the HTTP request method cannot have a request body, e.g. for a "GET" request. Otherwise, the resulting string
+	 *   is added to the request body.
 	 * @param {boolean} [bAsync=true] <b>Deprecated as of Version 1.107</b>; always use asynchronous
 	 * loading for performance reasons. By default, all requests are sent asynchronously.
 	 * Synchronous requests may temporarily lock the browser, disabling any actions while
 	 * the request is active. Cross-domain requests do not support synchronous operations.
-	 * @param {string} [sType=GET] The type of request to make ("POST" or "GET"), default is "GET".
-	 * Note: Other HTTP request methods, such as PUT and DELETE, can also be used here, but
-	 * they are not supported by all browsers.
+	 * @param {string} [sType="GET"] The HTTP verb to use for the request ("GET" or "POST")
 	 * @param {boolean} [bMerge=false] Whether the data should be merged instead of replaced
 	 * @param {boolean} [bCache=true] <b>Deprecated as of Version 1.107</b>; always use the cache
 	 * headers from the back-end system for performance reasons. Disables caching if set to
@@ -250,6 +256,7 @@ sap.ui.define([
 				cache: bCache,
 				data: oParameters,
 				headers: mHeaders,
+				jsonp: false,
 				type: sType,
 				success: fnSuccess,
 				error: fnError

src/sap.ui.core/test/sap/ui/core/qunit/json/JSONModel.qunit.js

@@ -999,4 +999,25 @@ sap.ui.define([
 		oLabel.unbindElement();
 		assert.equal(oLabel.getText(), "", "text value from model");
 	});
+
+	//*********************************************************************************************
+	// DINC0180763
+	QUnit.test("loadData: calls _ajax with jsonp=false", function () {
+		const oModel = {
+			_ajax() {},
+			fireRequestSent() {}
+		};
+		this.mock(oModel).expects("fireRequestSent").withExactArgs({
+			async: false, headers: "~mHeaders", info: "cache=~bCache;bMerge=~bMerge",
+			infoObject: {cache: "~bCache", merge: "~bMerge"}, type: "~sType", url: "~sURL"
+		});
+		this.mock(oModel).expects("_ajax").withExactArgs({
+			async: false, cache: "~bCache", data: "~oParameters", dataType: 'json', error: sinon.match.func,
+			headers: "~mHeaders", jsonp: false, success: sinon.match.func, type: "~sType", url: "~sURL"
+		});
+
+		// code under test
+		JSONModel.prototype.loadData.call(oModel, "~sURL", "~oParameters", false, "~sType", "~bMerge", "~bCache",
+			"~mHeaders");
+	});
 });