How to specify RoundingMode for decimal numbers in Jasper Reports

Question

I\'m using Java with Jasper Reports and would like to format a decimal value using this format mask \"#,##0.00\". At the first sight all looks fine, but I found

Answer 1

You can use the scriptlets mechanism.

The sample

• Java class

package utils;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DecimalFormat;

public class RoundingHelper {

    public static String round(BigDecimal value, RoundingMode mode, String pattern) {
        DecimalFormat format = new DecimalFormat(pattern);
        format.setRoundingMode(mode);
        return format.format(value);
    }
}

• The report's template:

• The result will be (preview in iReport)

Another solution

Another way is to use BigDecimal.setScale(int, java.math.RoundingMode) method (for double field):

or just (for BigDecimal field):

---

More info about the scriptlets in JR: Scriptlets