Bug 130688 ULocal unsupported(Data)
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
}
		else if ( source instanceof Date )
		{
			double doubleValue = ( (Date) source ).getTime( );
			return new Double( doubleValue );
		}
		else if ( source instanceof Double )
		{
			return (Double) source;
		}
		else if ( source instanceof String )
		{
			try
			{
				return Double.valueOf( (String) source );
			}
			catch ( NumberFormatException e )
			{
				throw new BirtException( pluginId,
						ResourceConstants.CONVERT_FAILS,
						new Object[]{
								source.toString( ), "Double"
						},
						resourceBundle );
			}
		}
		else
		{
			throw new BirtException( pluginId,
					ResourceConstants.CONVERT_FAILS,