Bug 361443 Excel ODA
data/org.eclipse.birt.report.data.oda.excel/src/org/eclipse/birt/report/data/oda/excel/impl/ResultSet.java
if (number != null) {
						return number.doubleValue();
					}
				} catch (ParseException e1) {
				}
			}
		}
		this.wasNull = true;
		return 0;
	}
	/**
	 * Transform a String value to a big decimal value
	 *
	 * @param stringValue
	 *            String value
	 * @return Corresponding BigDecimal value
	 */
	private BigDecimal stringToBigDecimal(String stringValue) {
		if (stringValue != null) {
			try {
				return new BigDecimal(stringValue);
			} catch (NumberFormatException e) {
				try {
					Number number = NumberFormat
							.getInstance(JRE_DEFAULT_LOCALE).parse(stringValue);
					if (number != null) {
						return new BigDecimal(number.toString());
					}
				} catch (ParseException e1) {
				}