public static void main(String args[]) throws Exception
{
 
   if(args.length != 1)
   {
   System.err.println("No pusiste un archivo .json");
   System.exit(1);
   }
 
FileInputStream stream = new FileInputStream(args[0]);
SymbolFactory sf = new DefaultSymbolFactory();
Parser parser = new Parser(new Scanner(stream, sf), sf);
parser.parse();
StringBuffer buffer = new StringBuffer();
parser.getResult().toString(buffer);
System.out.println(buffer.toString());
 
}