package org.lic.test;


import java.math.BigDecimal;
import java.math.MathContext;

/**
 * Created by lc on 14-5-30.
 */
public class Main1 {
    public static void main(String[] args) {
        System.out.println(parseDecimal("0.0000235689", false).toString());
        System.out.println(parseDecimal("-0.00235689", true).toString());
    }


    // may throw NumberFormatException
    public static BigDecimal parseDecimal(String src, boolean isRounded) {
        // check src
        new BigDecimal(src);

        if (isRounded) {
            return new BigDecimal(src).round(new MathContext(2));
        } else {
            String tmp = new BigDecimal(src).round(new MathContext(3)).toString();
            return new BigDecimal(tmp.substring(0, tmp.length() - 1));
        }

    }
}