Bug 151381 [Smoke]The parameter didn't display in the web viewer
Description: Preview a parameter in the web viewer, it can't be previewed. Step to reproduce: 1. new a report and a parameter 2. drag it to the layout 3. preview it in the web viewer Actual result: the parameter is not displayed
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
*/
	public static BigDecimal toBigDecimal( Object source ) throws BirtException
	{
		if ( source == null )
			return null;
		if ( source instanceof BigDecimal )
		{
			return (BigDecimal) source;
		}
		else if ( source instanceof Number )
		{
			 
			
			
			
			String str = ( (Number) source ).toString( );
			try
			{
				return new BigDecimal( str );
			}
			catch ( NumberFormatException e )
			{
				throw new BirtException( pluginId,
						ResourceConstants.CONVERT_FAILS,
						new Object[]{
								str, "BigDecimal"
						},
						resourceBundle );
			}
		}