--- a/artifacts/src/main/java/org/dive4elements/river/collections/CollectionAttribute.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/collections/CollectionAttribute.java	Fri Sep 05 12:58:17 2014 +0200
@@ -37,8 +37,8 @@
  */
 public class CollectionAttribute {
 
-    /** Privately owned logger. */
-    private static final Logger logger =
+    /** Privately owned log. */
+    private static final Logger log =
         Logger.getLogger(CollectionAttribute.class);
 
     protected ElementCreator ec;
@@ -95,19 +95,19 @@
 
     public void setSettings(String outputKey, Settings settings) {
         if (settings == null) {
-            logger.warn("Tried to set empty Settings for '" + outputKey + "'");
+            log.warn("Tried to set empty Settings for '" + outputKey + "'");
             return;
         }
 
         if (outputMap == null) {
-            logger.warn("Tried to add settings but no Outputs are existing yet.");
+            log.warn("Tried to add settings but no Outputs are existing yet.");
             return;
         }
 
         Output output = outputMap.get(outputKey);
 
         if (output == null) {
-            logger.warn("Tried to add settings for unknown Output: " + outputKey);
+            log.warn("Tried to add settings for unknown Output: " + outputKey);
             return;
         }
 
@@ -117,23 +117,23 @@
 
     public void addFacet(String outputKey, Facet facet) {
         if (facet == null) {
-            logger.warn("Tried to add null facet.");
+            log.warn("Tried to add null facet.");
             return;
         }
 
         if (outputMap == null) {
-            logger.warn("Tried to add facet but no Outputs are existing yet.");
+            log.warn("Tried to add facet but no Outputs are existing yet.");
             return;
         }
 
         Output output = outputMap.get(outputKey);
 
         if (output == null) {
-            logger.warn("Tried to add facet for unknown Output: " + outputKey);
+            log.warn("Tried to add facet for unknown Output: " + outputKey);
             return;
         }
 
-        logger.debug("Add facet for '" + outputKey + "': " + facet.getName());
+        log.debug("Add facet for '" + outputKey + "': " + facet.getName());
         output.addFacet(facet);
     }
 
@@ -147,18 +147,18 @@
     /** Empty facets list for outputKey output. */
     public void clearFacets(String outputKey) {
         if (outputKey == null || outputKey.length() == 0) {
-            logger.warn("Tried to clear Facets, but no Output key specified!");
+            log.warn("Tried to clear Facets, but no Output key specified!");
             return;
         }
 
         if (outputMap == null) {
-            logger.warn("Tried to clear Facets, but no Outputs existing!");
+            log.warn("Tried to clear Facets, but no Outputs existing!");
             return;
         }
 
         Output output = outputMap.get(outputKey);
         if (output == null) {
-            logger.warn("Tried to clear Facets for unknown Out: " + outputKey);
+            log.warn("Tried to clear Facets for unknown Out: " + outputKey);
             return;
         }
 
@@ -196,12 +196,12 @@
 
     public Output getOutput(String name) {
         if (name == null || name.length() == 0) {
-            logger.warn("No Output name specified.");
+            log.warn("No Output name specified.");
             return null;
         }
 
         if (outputMap == null || outputMap.isEmpty()) {
-            logger.warn("Tried to retrieve Output, but no Outputs existing.");
+            log.warn("Tried to retrieve Output, but no Outputs existing.");
             return null;
         }
 
@@ -211,19 +211,19 @@
 
     public List<Facet> getFacets(String output) {
         if (output == null || output.length() == 0) {
-            logger.warn("No Output name specified.");
+            log.warn("No Output name specified.");
             return new ArrayList<Facet>();
         }
 
         if (outputMap == null) {
-            logger.warn("Tried to retrieve facets, but no Outputs existing.");
+            log.warn("Tried to retrieve facets, but no Outputs existing.");
             return new ArrayList<Facet>();
         }
 
         Output o = outputMap.get(output);
 
         if (o == null) {
-            logger.warn("No Output '" + output + "' existing.");
+            log.warn("No Output '" + output + "' existing.");
             return new ArrayList<Facet>();
         }
 
@@ -235,7 +235,7 @@
         List<Facet> allFacets = new ArrayList<Facet>();
 
         if (outputMap == null || outputMap.isEmpty()) {
-            logger.warn("No Outputs existing.");
+            log.warn("No Outputs existing.");
             return allFacets;
         }
 
@@ -249,11 +249,11 @@
 
     protected void appendOutputs(Element root) {
         if (outputMap == null || outputMap.isEmpty()) {
-            logger.warn("No outputs to append.");
+            log.warn("No outputs to append.");
             return;
         }
 
-        logger.debug("Append " + outputMap.size() + " Output Elements.");
+        log.debug("Append " + outputMap.size() + " Output Elements.");
 
         Element outputsEl = ec.create("outputs");
 
@@ -267,11 +267,11 @@
 
     protected void appendOutput(Element root, String name, Output output) {
         if (name == null || name.length() == 0 || output == null) {
-            logger.warn("Tried to appendOutput, but Output is invalid.");
+            log.warn("Tried to appendOutput, but Output is invalid.");
             return;
         }
 
-        logger.debug("Append Output Element for '" + name + "'");
+        log.debug("Append Output Element for '" + name + "'");
 
         Element outputEl = ec.create("output");
         ec.addAttr(outputEl, "name", name);
@@ -285,7 +285,7 @@
 
     protected void appendSettings(Element root, Settings settings) {
         if (settings == null) {
-            logger.warn("Tried to append Settings, but Settings is empty!");
+            log.warn("Tried to append Settings, but Settings is empty!");
             return;
         }
 
@@ -295,13 +295,13 @@
 
     protected void appendFacets(Element root, List<Facet> facets) {
         if (facets == null || facets.isEmpty()) {
-            logger.warn("Tried to append 0 Facets.");
+            log.warn("Tried to append 0 Facets.");
             return;
         }
 
         Document owner = root.getOwnerDocument();
 
-        logger.debug("Append " + facets.size() + " facets.");
+        log.debug("Append " + facets.size() + " facets.");
 
         for (Facet facet: facets) {
             Node facetNode = facet.toXML(owner);
@@ -315,7 +315,7 @@
 
     protected void appendLoadedRecommendations(Element root) {
         if (loadedRecommendations == null) {
-            logger.debug("No loaded recommendations existing yet.");
+            log.debug("No loaded recommendations existing yet.");
             return;
         }