--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/ChartArtifact.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/ChartArtifact.java	Fri Sep 05 12:58:17 2014 +0200
@@ -40,7 +40,7 @@
 /** Artifact, open to generate any (?) out. */
 public class ChartArtifact extends D4EArtifact {
 
-    private static final Logger logger =
+    private static final Logger log =
         Logger.getLogger(ChartArtifact.class);
 
     @Override
@@ -52,7 +52,7 @@
         Document        data,
         List<Class>     loadFacets)
     {
-        logger.debug("ChartArtifact.setup");
+        log.debug("ChartArtifact.setup");
         this.identifier = identifier;
         name = "new_chart";
 
@@ -95,23 +95,23 @@
             RiverContext.STATE_ENGINE_KEY);
 
         for (String stateId: stateIds) {
-            logger.debug("Append output modes for state: " + stateId);
+            log.debug("Append output modes for state: " + stateId);
             DefaultState state = (DefaultState) engine.getState(stateId);
 
             List<Output> list = state.getOutputs();
             if (list == null || list.isEmpty()) {
-                logger.debug("-> No output modes for this state.");
+                log.debug("-> No output modes for this state.");
                 continue;
             }
 
             List<Facet> fs = getFacets(stateId);
 
             if (fs == null || fs.isEmpty()) {
-                logger.debug("No facets for previous state found.");
+                log.debug("No facets for previous state found.");
                 continue;
             }
 
-            logger.debug("Found " + fs.size() + " facets in previous states.");
+            log.debug("Found " + fs.size() + " facets in previous states.");
 
             List<Output> generated = generateOutputs(list, fs);
 
@@ -122,7 +122,7 @@
             DefaultState cur = (DefaultState) getCurrentState(context);
             List<Output> list = cur.getOutputs();
             if (list != null && list.size() > 0) {
-                logger.debug(
+                log.debug(
                     "Append output modes for current state: " + cur.getID());
 
                 List<Facet> fs = getFacets(cur.getID());
@@ -130,14 +130,14 @@
                 if (fs != null && fs.size() > 0) {
                     List<Output> generated = generateOutputs(list, fs);
 
-                    logger.debug("Found " + fs.size() + " current facets.");
+                    log.debug("Found " + fs.size() + " current facets.");
                     if (!generated.isEmpty()) {
                         ProtocolUtils.appendOutputModes(
                             doc, outs, generated);
                     }
                 }
                 else {
-                    logger.debug("No facets found for the current state.");
+                    log.debug("No facets found for the current state.");
                 }
             }
         }
@@ -182,7 +182,7 @@
             List<Facet>  facets,
             Object       old)
         {
-            logger.debug("ChartState.computeAdvance");
+            log.debug("ChartState.computeAdvance");
 
 
             return null;