Android Question String to Map

'Sep=Separator between Key and Value
'Tkn=Token between the Map values
'Returns Map
Sub String2Map(Str As String,Sep As String,Tkn As String) As Map
    Dim StrMap As Map
    
    StrMap.Initialize
    StrMap.Clear
    Do While Str.Contains(Tkn)
        StrMap.Put(Str.SubString2(0,Str.IndexOf(Sep)),Str.SubString2(Str.IndexOf(Sep)+1,Str.IndexOf(Tkn)))
        Str=Str.SubString2(Str.IndexOf(Tkn)+1,Str.Length)
    Loop
    If(Str.Contains(Sep)=True) Then
        StrMap.Put(Str.SubString2(0,Str.IndexOf(Sep)),Str.SubString2(Str.IndexOf(Sep)+1,Str.Length))
    End If
    
    Return StrMap   
End Sub