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[SandraPelaez]

Refactor this method to reduce its Cognitive Complexity from 25 to the 15 allowed.
The Cyclomatic Complexity of this method "loadDataFile" is 11 which is greater than 10 authorized
This method has 46 lines, which is greater than the 30 lines authorized. Split it into smaller methods
Method has 7 parameters, which is greater than 5 authorized
Reduce the number of non-empty switch cases from 7 to at most 4
Reduce the number of non-empty switch cases from 5 to at most 4
3 veces Refactor this code to not nest more than 3 if/for/while/switch/try statements. @alejandroroyoo @AntonioClavel