[PATCH 5 of 5] (issue1755) Do not print empty rows for empty results in bedquality export

[Wald Commits]

# HG changeset patch
# User Andre Heinecke <andre.heinecke at intevation.de>
# Date 1427473628 -3600
# Node ID 0d15ebafbd0ec452833b1e9f15afe5091c7f5da6
# Parent  97d60b0afe24c5876586c28a68910d9d0af88c63
(issue1755) Do not print empty rows for empty results in bedquality export

diff -r 97d60b0afe24 -r 0d15ebafbd0e artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedQualityExporter.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedQualityExporter.java	Fri Mar 27 17:26:34 2015 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedQualityExporter.java	Fri Mar 27 17:27:08 2015 +0100
@@ -55,6 +55,9 @@
         for (BedQualityResult result: results) {
             cols += result.getValues().size();
         }
+        if (cols == 1) {
+            return new ArrayList<double[]>();
+        }
 
         List<double[]> rows = new ArrayList<double[]>(kms.length);
         for (double km: kms) {