Customize Portal application to access Dev/Test/Production SAP systems

Hi All,
We have requirment from client, to develop a custom portal application.
1. When user login into Testing portal (eg., Development or Testing system or UAT system or Production system) and want to access the all (Dev / Tes / UAT / PRD) system SAP GUI with SSO concept from customize portal applciation once he select the dropdown list either Dev/Test/UAT/ PRD.
Our code.....
in layer-config.xml file, we have defined systems
- <layer-config>
- <system>
<layer>Dev</layer>
<internal>true</internal>
</system>
- <system>
<layer>Test</layer>
<internal>false</internal>
</system>
- <system>
<layer>PRD</layer>
<internal>false</internal>
</system>
</layer-config>
In Java code
public class Accesstoall extends AbstractPortalComponent {
 public void doContent(
 IPortalComponentRequest request,
 IPortalComponentResponse response) {
 response.write("Select the system");
 try {
 LaunchpadConfigReader reader =
 new LaunchpadConfigReader(
 request.getPrivateResourcePath()
 + "/"
 + "layer-config.xml");
 for (int i = 0; i < reader.getBackendSystemConfig().size(); i++) {
 response.write(" "+
 reader.getBackendSystemConfig().get(i).toString());
 if (reader
 .getm_backendSystemURLInternal()
 .get(i)
 .toString()
 .equalsIgnoreCase("true")) {
 response.write(
 "<a href='"
 + "http://vep"
 + reader.getBackendSystemConfig().get(i).toString()
 + "wd.eu.xerox.net:8219/irj/servlet/prt/portal/prtroot/com.sap.portal.appintegrator.sap.Transaction?System=SAP_BW&TCode=SE38&Gui=WinGUi"
 + "'>launch system</a>");
 } else {
 response.write(
 "<a href='"
 + "https://ep"
 + reader.getBackendSystemConfig().get(i).toString()
 + "ns3.eur.xerox.com/irj/servlet/prt/portal/prtroot/com.sap.portal.appintegrator.sap.Transaction?System=SAP_BW&TCode=SE38&Gui=WinGUi"
 + "'>launch system</a>");
I want to call the XML value in JSP file as dropdown list and once dropdown selected, user needs to display link of SAP GUI system in table.
Please can you advise which approach will be the best on external and internal portal.
Appreciate on your feedback.
Thanks,

Hi Praveen,
for internal portal, you can create 4 different system object in portal landscape for 4 different systems and then implement sso between portal to those system and use sap transaction iview
for external portal, go with your way.
Regards,
Sen

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