Equation Parser

package org.gamboodle.vsf;

public class parser {

    public static String equation = "((x^2)+3)";

    public static void main(String[] args) {
        //checkForParenthesis(equation);
        System.out.println(checkForParenthesis(equation, 1));
    }

    public static String checkForParenthesis(String s, int n) {
        String equationNew = "";
        int openParenth = 0;
        int closedParenth = 0;
        for(int i = 0; i < s.length(); i++) {
            if(s.charAt(i) == '(') {
                openParenth++;
            }
            if(s.charAt(i) == ')') {
                closedParenth++;
            }
            if(openParenth == closedParenth) {
                if(openParenth > n) {
                    equationNew = equationNew.substring(1);
                    equationNew = equationNew.substring(0, equationNew.length()-2);
                    checkForParenthesis(equationNew, (n));
                    break;
                }
                if(openParenth == n) {
                    equationNew = equationNew + s.charAt(i);
                    break;
                }
                if(openParenth < n) {
                    equationNew = equationNew + s.charAt(i);
                    break;
                }
            }
            equationNew = equationNew + s.charAt(i);
        }
        return equationNew;
    }

    public static String checkForExponants(String s) {
        return "^";
    }

}