--- a/flys-artifacts/src/main/java/de/intevation/flys/utils/FLYSUtils.java	Thu Dec 22 12:56:46 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/FLYSUtils.java	Thu Dec 22 13:22:55 2011 +0000
@@ -259,13 +259,57 @@
 
 
     /**
+     * Returns the Qs for a given FLYSArtifact. This method currently accepts
+     * only instances of WINFOArtifact.
+     *
+     * @param flys A FLYSArtifact.
+     *
+     * @return the Qs.
+     */
+    public static double[] getQs(FLYSArtifact flys) {
+        double[] kmRange = getKmRange(flys);
+
+        // XXX this is not nice!
+        if (flys instanceof WINFOArtifact) {
+            return ((WINFOArtifact) flys).getQs(kmRange);
+        }
+
+        logger.warn("This method currently supports WINFOArtifact only!");
+
+        return null;
+    }
+
+
+    /**
+     * Returns the Ws for a given FLYSArtifact. This method currently accepts
+     * only instances of WINFOArtifact.
+     *
+     * @param flys A FLYSArtifact.
+     *
+     * @return the Ws.
+     */
+    public static double[] getWs(FLYSArtifact flys) {
+        double[] kmRange = getKmRange(flys);
+
+        // XXX this is not nice!
+        if (flys instanceof WINFOArtifact) {
+            return ((WINFOArtifact) flys).getWs(kmRange);
+        }
+
+        logger.warn("This method currently supports WINFOArtifact only!");
+
+        return null;
+    }
+
+
+    /**
      * Returns the selected River object based on the 'river' data that might
      * have been inserted by the user.
      *
      * @return the selected River or null if no river has been chosen yet.
      */
     public static River getRiver(FLYSArtifact flys) {
-        String sRiver = flys.getDataAsString("river");
+        String sRiver = getRivername(flys);
 
         return (sRiver != null)
             ? RiverFactory.getRiver(sRiver)
@@ -274,6 +318,19 @@
 
 
     /**
+     * Returns the name of the river specified in the given <i>flys</i>
+     * Artifact.
+     *
+     * @param flys The FLYSArtifact that stores a river relevant information.
+     *
+     * @return the name of the specified river or null.
+     */
+    public static String getRivername(FLYSArtifact flys) {
+        return flys != null ? flys.getDataAsString("river") : null;
+    }
+
+
+    /**
      * Extracts the SRID defined in the global configuration for the river
      * specified in <i>artifact</i>.
      *
@@ -307,6 +364,43 @@
     }
 
 
+    public static Gauge getGauge(FLYSArtifact flys) {
+        River river = getRiver(flys);
+
+        if (river == null) {
+            logger.debug("no river found");
+            return null;
+        }
+
+        double[] dist  = getKmRange(flys);
+
+        if (dist == null) {
+            logger.debug("no range found");
+            return null;
+        }
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("Determine gauge for:");
+            logger.debug("... river: " + river.getName());
+            logger.debug("... distance: " + dist[0] + " - " + dist[1]);
+        }
+
+        Gauge gauge = river.determineGauge(dist[0], dist[1]);
+
+        String name = gauge != null ? gauge.getName() : "'n/a";
+        logger.debug("Found gauge: " + name);
+
+        return gauge;
+    }
+
+
+    public static String getGaugename(FLYSArtifact flys) {
+        Gauge gauge = getGauge(flys);
+
+        return gauge != null ? gauge.getName() : null;
+    }
+
+
     public static String createWspWTitle(
         WINFOArtifact winfo,
         CallContext   cc,