Bug 212478 Exception occurs when preview the table including a Autotext
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
else if ( item instanceof ExtendedItemDesign )
			{
				query.getFilters( ).addAll(
						createFilters( (ExtendedItemDesign) item ) );
			}
		}
		/**
		 * get Localized string by the resouce key and <code>Locale</code>
		 * object in <code>context</code>
		 * 
		 * @param resourceKey
		 *            the resource key
		 * @param text
		 *            the default value
		 * @return the localized string if it is defined in report deign, else
		 *         return the default value
		 */
		protected String getLocalizedString( String resourceKey, String text )
		{
			if ( resourceKey == null )
			{
				return text;
			}
			String ret = report.getReportDesign( ).getMessage( resourceKey,
					context.getLocale( ) );
			if ( ret == null )
			{
				logger.log( Level.SEVERE, "get resource error, resource key:" 
						+ resourceKey + " Locale:" 
						+ context.getLocale( ).toString( ) );