@Override
public Expression parse(String input) {
input = input.replace(" ", "");
for (char op : Arrays.asList('+', '-', '*')) {
if (input.contains("" + op)) {
Splitter split = new Splitter(op, input);
return BinaryExpressionFactory.makeBinaryExpression(op, split.getLHS(), split.getRHS());
}
}
return new IntExpression(new Integer(input).intValue());
}
