Purpose:
Structure to make function module calls and capture any errors if the call was not successful or capture any exceptions and display to the user.
NOTE::
To make the function module call, it is required to provide the rfc parameters in the configuration file i.e., guixt.sjs
Liquid UI Code:
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Script File Name: SAPLSMTR_NAVIGATION.E0100.sjs // SAP Easy Access
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// User Interface
clearscreen();
inputfield([1,0],"User Date Format",[1,20],{"name":"z_user_dateformat","size":2,"readonly":true});
pushbutton([3,1],"Get Date Format","?",{"size":[2,20],"process":Z_FMCallGetData});
// Related functions
// Function trim, to remove blank spaces from variable values
String.prototype.trim = function() {
return this.replace(/^\s+|\s+$/g,"");
}
// Function to return trimmed string
function getString(strInput) {
return (typeof(strInput) == 'undefined' || strInput == 'undefined') ? "" : strInput.toString().trim();
}
// Function to check for blank string
// Specifically used to determine if input exist in the edit field
function isBlank(strInput) {
var strVal = getString(strInput);
var blank = strVal == "";
return blank;
}
// Function to call BAPI and display results
function Z_FMCallGetData(){
onscreen 'SAPLSMTR_NAVIGATION.0100'
rfcresult = call('BAPI_USER_GET_DETAIL', {"IN.USERNAME":"&V[_user]","OUT.DEFAULTS":"Z_DEFAULTS"});
if(rfcresult.rfc_rc != 0) {
// Cannot Call RFC for any reason
// RFC call was *NOT* successful.
// Display message to user, that rfc cannot be called (you can use the content of rfcresult.rfc_key)
message('E: Error! RFC Call Failed to Return Data');
enter("?");
goto SCRIPT_END;
} else {
if(!isBlank(rfcresult.exception)) {
// RFC Call succeeded, but the ABAP code in the function module generated an exception
// Display message to user, that rfc exception occured (you can use rfcresult.exception
message('E: Error! '+rfcresult.exception);
enter("?");
goto SCRIPT_END;
}
}
// RFC Call was successful
if(!isBlank(Z_DEFAULTS)){
set('V[z_user_dateformat]', Z_DEFAULTS.substring(27,28));
}
message('S: RFC call was successful');
enter('?');
SCRIPT_END:;
}
See attachments for code samples!
