--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/WDifferencesState.java	Thu Jan 18 18:34:41 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/WDifferencesState.java	Fri Jan 19 11:23:42 2018 +0100
@@ -110,7 +110,12 @@
      * Access the data (wkms) of an artifact, coded in mingle.
      */
     // FIXME: meanwhile used by several places outside this context; refactor into separate helper class to access waterlevels
-    public WKms getWKms(String mingle, CallContext context, double from, double to) {
+    public WKms getWKms(
+        String mingle,
+        CallContext context,
+        double from,
+        double to
+    ) {
         log.debug("WDifferencesState.getWKms " + mingle);
         String[] def  = mingle.split(";");
         String   uuid = def[0];
@@ -121,7 +126,8 @@
             context);
 
         if (d4eArtifact == null) {
-            log.warn("One of the artifacts (1) for diff calculation could not be loaded");
+            log.warn("One of the artifacts (1) for diff calculation "
+                + "could not be loaded");
             return null;
         }
 
@@ -163,9 +169,10 @@
 
 
         if (retval == null) {
-            log.error("Do not know how to handle (getWKms) minuend/subtrahend");
+            log.error(
+                "Do not know how to handle (getWKms) minuend/subtrahend");
         } else if (!Double.isNaN(from) && !Double.isNaN(to)) {
-            /* Filter out only the relevant data points for calulation results.*/
+            /* Filter out only relevant data points for calulation results.*/
             log.debug("Before filter: " + retval.size());
             retval = retval.filteredKms(from, to);
             log.debug("After filter: " + retval.size());
@@ -199,7 +206,7 @@
         double to = rangeAccess.getTo(true);
         // Load the Artifacts/facets that we want to subtract and display.
         // Expected format is:
-        // [42537f1e-3522-42ef-8968-635b03d8e9c6;longitudinal_section.w;0]#[1231f2-....]
+        //[42537f1e-3522-42ef-8968-635b03d8e9c6;longitudinal_section.w;0]#[...]
         String diffids = winfo.getDataAsString("diffids");
         log.debug("WDifferencesState has: " + diffids);
         String datas[] = diffids.split("#");