public static Maze loadMaze$($final String path$)$ throws IOException $\{$

BufferedReader reader $=$ new BufferedReader$($new FileReader$($path$))$;

$//$List lines $=$ new ArrayList$<>()$;

Maze maze $=$ new Maze$()$;

String line;

Map roomsMap $=$ new HashMap$<>()$;

Map doorsMap $=$ new HashMap$<>()$;

while $(($line $=$ reader.readLine$())!=$ null$)\{$

System.out.println$($line$)$;

String$[]$ words $=$ line.split$("")$;

System.out.println$($Arrays$.$toString$($words$))$;

if $($words$.$length $<2)\{$

continue; $//$ Invalid line format, skip

$\}$

String objectName $=$ words$[0]$;

String objectId $=$ words$[1]$;

if $($objectName$.$equals$("$room$"))\{$

int roomNumber $=$ Integer.parseInt$($objectId$)$;

Room room $=$ new Room$($roomNumber$)$;

roomsMap.put$($roomNumber$,$ room$)$;

maze.addRoom$($room$)$;

for $($int i $=0$; i $<4$; i$++)\{$

String side $=$ words$[$i $+2]$;

Direction direction $=$ Direction.values$()[$i$]$;

if $($side$.$equals$("$wall$"))\{$

room.setSide$($direction$,$ new Wall$())$;

$\}$

else if $($side$.$startsWith$("$d$"))\{$

$//$ Door will be set after door parsing

$\}$

$//$

$\}$

$\}$ else if $($objectName$.$equals$("$door$"))\{$

int room$1$Number $=$ Integer.parseInt$($words$[2])$;

int room$2$Number $=$ Integer.parseInt$($words$[3])$;

$//$boolean isOpen $=$ words$[4].$equals$("$open$")$;

String isOpen $=$ words$[4]$;

Room room$1=$ roomsMap.get$($room$1$Number$)$;

Room room$2=$ roomsMap.get$($room$2$Number$)$;

Door door $=$ new Door$($room$1,$ room$2)$;

if$($isOpen$.$equals$("$open$"))\{$

door.setOpen$($true$)$;

$\}$else $\{$

door.setOpen$($false$)$;

$\}$

doorsMap.put$($objectId$,$ door$)$;

$//$ Set the door on the correct sides of the rooms

for $($Direction direction : Direction.values$())\{$

if $($room$1.$getSide$($direction$)==$ null$)\{$

room$1.$setSide$($direction$,$ door$)$;

break;

$\}$

$\}$

for $($Direction direction : Direction.values$())\{$

if $($room$2.$getSide$($direction$)==$ null$)\{$

room$2.$setSide$($direction$,$ door$)$;

break;

$\}$

$\}$

$\}$

$\}$

reader.close$()$;

$//$ Set the current room to the first room added $($if any$)$

if $(!$roomsMap.isEmpty$())\{$

maze.setCurrentRoom$($roomsMap$.$values$().$iterator$().$next$())$;

$\}$

return maze;

$\}$This implementation works for small.maze below room $0$ wall d$0$ wall wall

room $1$ d$0$ wall d$1$ wall

room $2$ wall wall wall d$1$

door d$001$ close

door d$112$ open. Fix the implementation so that it works for large.maze below room $0$ wall d$0$ wall wall

room $1$ d$0$ wall d$1$ wall

room $2$ wall wall wall d$1$

door d$001$ close

door d$112$ open