function generate_uml()
{
//creating instance of the reader class, passing in the file name path. example "Java_Test_Files/outer.java
$reader = new Reader($this->get_passed_in_file_name());
//$reader = $this->get_reader_object();
//set var equal to the text file array
$start_file_array = $reader->get_file_text_array();
//creating instance of the parser class, passing in the read in file array
$parser = new Parser($start_file_array);
//launching the parser controller method
$parser->parse_controller();
//start of mapper section
$mapper = new Mapper($parser->get_parsed_file());
//launching the mapper controller method, the mapper controller method returns the produced uml table
//this return statement is used to return the produced table. Where the table can then be displayed play
//simple echo statement.
return $mapper->mapper_controller();
}