Merge pull request mysticfall#219 from argustelecom/master

fix for mysticfall#218 Correct support for non-numeric measure values

pivot4j-core/src/main/java/org/pivot4j/ui/table/TableRenderer.java

@@ -200,29 +200,36 @@ protected String getLabel(TableRenderContext context) {
 	@Override
 	protected Double getValue(TableRenderContext context) {
 		Double value = null;
+		boolean nonNumericValue = false;
 
 		Aggregator aggregator = context.getAggregator();
 
 		Cell cell = context.getCell();
+
 
 		try {
 			if (aggregator == null) {
 				if (cell != null && !cell.isEmpty()) {
 					try {
 						value = cell.getDoubleValue();
 					} catch (OlapException e) {
-						throw new PivotException(e);
+						nonNumericValue = true;
+						//#218 do nothing: cell.getDoubleValue() throws OlapException if this cell does not have a numeric value
 					}
 				}
 			} else {
 				value = aggregator.getValue(context);
 			}
 		} catch (NumberFormatException e) {
-			if (logger.isTraceEnabled()) {
-				logger.trace("Non-numeric cell value : {}", cell.getValue());
-			}
+			nonNumericValue = true;
+			//#147 do nothing: XmlaOlap4jCell.getDoubleValue throws NumberFormatException if this cell does not have a numeric value
+		}
+
+		if (nonNumericValue && logger.isTraceEnabled()) {
+			logger.trace("Non-numeric cell value : {}", cell.getValue());
 		}
 
+
 		return value;
 	}