public void execute(final Reader in, final PrintStream out)
throws ParseException, HandlerException {
parser.parse(
in,
new MowItNowHandler() {
private Grid grid;
private Mower mower;
@Override
public void order(Order order) throws HandlerException {
try {
mower = executor.execute(grid, mower, order);
} catch (ExecutionException e) {
throw new HandlerException(e);
}
}
@Override
public void endMower() throws HandlerException {
out.println(MowItNowApp.this.toString(mower));
}
@Override
public void end() {}
@Override
public void beginMower(Mower mower) {
this.mower = mower;
}
@Override
public void begin(Grid grid) {
this.grid = grid;
}
});
}
