import org.codelibs.core.text.DecimalFormatUtil;

/**
 * Utility class for conversions related to {@link Integer}.
 *
 * @author higa
 */
public abstract class IntegerConversionUtil {

    /**
     * Do not instantiate.
     */
    protected IntegerConversionUtil() {
    }

    /**
     * Converts to {@link Integer}.
     *
     * @param o
     *            The object to convert

Integer value = IntegerConversionUtil.toInteger("123");        // Returns 123
Integer nullValue = IntegerConversionUtil.toInteger(null);     // Returns null
Boolean flag = BooleanConversionUtil.toBoolean("true");        // Returns true
Date date = DateConversionUtil.toDate("2023-12-25", "yyyy-MM-dd");

// Primitive conversions with default values

     * @return {@link Number} converted to {@literal type}
     */
    public static Object convertNumber(final Class<?> type, final Object o) {
        if (type == Integer.class) {
            return IntegerConversionUtil.toInteger(o);
        } else if (type == BigDecimal.class) {
            return BigDecimalConversionUtil.toBigDecimal(o);
        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);