--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java	Thu Feb 02 12:50:33 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java	Thu Feb 02 13:23:55 2012 +0000
@@ -33,6 +33,9 @@
 import de.intevation.flys.artifacts.model.WQKms;
 import de.intevation.flys.artifacts.resources.Resources;
 
+import de.intevation.flys.utils.FLYSUtils;
+
+
 /**
  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
  */
@@ -235,15 +238,7 @@
     @Override
     protected double[] getMinMax(Artifact artifact) {
         FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
-        StateData    data         = getData(flysArtifact, "river");
-
-        String name = data != null ? (String) data.getValue() : "";
-
-        logger.debug("Search for the min/max distances of '" + name + "'");
-
-        River river = RiverFactory.getRiver(name);
-
-        return river != null ? river.determineMinMaxDistance() : null;
+        return FLYSUtils.getRiverMinMax(flysArtifact);
     }