SAPUI5 and NW Portal - sapui5

Question

I have an SAPUI5 application deployed on my portal.
I am trying get the user login logged on portal in my SAPUI5.
But when I run my application it is not get any data.
Bellow is my code
sap.ui.define([
'jquery.sap.global',
'sap/ui/core/Fragment',
'sap/ui/core/mvc/Controller',
'sap/ui/model/Filter',
'sap/ui/model/json/JSONModel'
], function(jQuery, Fragment, Controller, Filter, JSONModel) {
"use strict";
var CController = Controller.extend("sap.m.ZHRUI001.C", {
inputId: '',
valueHelpRequest: function(oController) {
this.inputId = oController.oSource.sId;
var sServiceUrl = "http://<my server host>:<my server port>/sap/bc/ui2/start_up";
var oModel = new sap.ui.model.odata.ODataModel(sServiceUrl, true, "user", "password");
var oJsonModel = new sap.ui.model.json.JSONModel();
oModel.read("/?", null, null, true, function(oData, response) {
oJsonModel.setData(oData);
});
sap.ui.getCore().setModel(oJsonModel);
// Handling of both confirm and cancel; clear the filter
var that = this;
var handleClose = function(oEvent) {
var oSelectedItem = oEvent.getParameter("selectedItem");
if (oSelectedItem) {
that.byId(that.inputId).setValue(oSelectedItem.getTitle());
}
oEvent.getSource().getBinding("items").filter([]);
};
// Create a SelectDialog and display it; bind to the same
// model as for the suggested items
if (!this._valueHelpSelectDialog) {
this._valueHelpSelectDialog = new sap.m.SelectDialog("valueHelpSelectDialog", {
title: "{fullName}",
items: {
template: new sap.m.StandardListItem({
title: "{fullName}",
active: true
})
},
search: function(oEvent) {
var sValue = oEvent.getParameter("value");
var oFilter = new sap.ui.model.Filter(
"name",
sap.ui.model.FilterOperator.Contains, sValue
);
oEvent.getSource().getBinding("items").filter([oFilter]);
},
confirm: handleClose,
cancel: handleClose
});
this._valueHelpSelectDialog.setModel(oJsonModel);
} else {
this._valueHelpSelectDialog.setModel(oJsonModel);
}
this._valueHelpSelectDialog.open();
}
});
return CController;
});

Answer 1

From what I'm reading you are speaking of a SAP Portal, I expect you have a 7.3+ version.
I have found the SAP doc you used to find the user, be careful because this is not the code for a SAPUI5 application running on a portal but for one running on a R/3 system, the endpoint /sap/bc/ui2/start_up doesn't exist on a NetWeaver portal.
What you could do is develop a simple REST service (by developping a Servlet) that will send back the user and all the details that you need.
These details can be found in the PortalComponentRequest which holds a IUser object, you can find a sample portal servlet on my Git here :
https://gitlab.com/Almiriad/sap-portal-samples
You simply have to send a GET request to the url
http[s]://youserver:your port/irj/servlet/prt/portal/prtroot/UserServletSample.UserInfoSampleServlet
and you'll get a JSo
{
"user": {
"user-name":"<LASTNAME>, <FIRSTNAME>",
"user-id":"<USER_ID>",
"user-email":"<USER#EMAIL.COM>"
}
}
I hope this will help you.

Answer 2

`
var oUserData;
var y = "/sap/bc/ui2/start_up";
var xmlHttp = null;
xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
oUserData = JSON.parse(xmlHttp.responseText);
}
};
xmlHttp.open("GET", y, false);
xmlHttp.send(null);
`
console oUserData to get login details of that user who logged in.