java game with command line interface

A game (design in CLI) with 2 clients with following requirments: -map 8x8 fields, each half with water(at least 4 and not on the margins) grass(15 ) and mountains(3 ) (hlfmap 4x8) - on each halfmap, player is an automatical bot, searches for treasure hidden(cant see it) -starts from a castle goal is to find the other players castle after he finds the treasure - water cant be crossed and castle and treasure only on grass and not on same field -mountain -grass 3 moves -mountain-mountain 4 moves to pass -clients communicate with (REST)server - XML Messages (details follow after) e.g: a) new game : "http://<domain>:<port>/game/new" - HTTP GET request b) client registration: "http://<domain>:<port>/game/gameID/register" - HTTP POST request c) send halfmap: "http://<domain>:<port>/game/gameID/halfmap" - HTTP POST request d) game state: "http://<domain>:<port>/game/gameID/state/playerID" - HTTP GET request e) move: "http://<domain>:<port>/game/gameID/move" - HTTP POST request - for each request server sends back XML response message with message "OK " or "ERROR"