--- a/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Fri Sep 05 12:58:17 2014 +0200
@@ -79,7 +79,7 @@
  */
 public abstract class ChartGenerator2 implements OutGenerator {
 
-    private static Logger logger = Logger.getLogger(ChartGenerator2.class);
+    private static Logger log = Logger.getLogger(ChartGenerator2.class);
 
     public static final boolean USE_NOP_GRAPHICS =
         Boolean.getBoolean("info.rendering.nop.graphics");
@@ -259,7 +259,7 @@
     @Override
     public void generate() throws IOException {
 
-        logger.debug("ChartGenerator2.generate");
+        log.debug("ChartGenerator2.generate");
 
         if (outName.indexOf("chartinfo") > 0) {
             generateInfo();
@@ -273,7 +273,7 @@
     /** Generate only meta infos */
     private void generateInfo() throws IOException {
 
-        logger.debug("ChartInfoGenerator2.generateInfo");
+        log.debug("ChartInfoGenerator2.generateInfo");
 
         JFreeChart chart = generateChart();
 
@@ -308,8 +308,8 @@
 
         long stopTime = System.currentTimeMillis();
 
-        if (logger.isDebugEnabled()) {
-            logger.debug("Rendering info took: " +
+        if (log.isDebugEnabled()) {
+            log.debug("Rendering info took: " +
                 (stopTime-startTime) + "ms");
         }
 
@@ -322,7 +322,7 @@
 
     /** Generate the diagram as an image. */
     private void generateImage() throws IOException {
-        logger.debug("ChartGenerator2.generateImage");
+        log.debug("ChartGenerator2.generateImage");
 
         JFreeChart chart = generateChart();
 
@@ -373,7 +373,7 @@
 
     @Override
     public void init(String outName, Document request, OutputStream out, CallContext context) {
-        logger.debug("ChartGenerator2.init");
+        log.debug("ChartGenerator2.init");
 
         this.outName = outName;
         this.request = request;
@@ -949,15 +949,15 @@
         Bounds[] xyBounds = ChartHelper.getBounds(dataset);
 
         if (xyBounds == null) {
-            logger.warn("Skip XYDataset for Axis (invalid ranges): " + idx);
+            log.warn("Skip XYDataset for Axis (invalid ranges): " + idx);
             return;
         }
 
         if (visible) {
-            if (logger.isDebugEnabled()) {
-                logger.debug("Add new AxisDataset at index: " + idx);
-                logger.debug("X extent: " + xyBounds[0]);
-                logger.debug("Y extent: " + xyBounds[1]);
+            if (log.isDebugEnabled()) {
+                log.debug("Add new AxisDataset at index: " + idx);
+                log.debug("X extent: " + xyBounds[0]);
+                log.debug("Y extent: " + xyBounds[1]);
             }
 
             axisDataset.addDataset(dataset);
@@ -1109,7 +1109,7 @@
                     size[1] = Integer.parseInt(h);
                 }
                 catch (NumberFormatException nfe) {
-                    logger.warn("Wrong values for chart width/height.");
+                    log.warn("Wrong values for chart width/height.");
                 }
             }
         }
@@ -1207,7 +1207,7 @@
      * @param plot plot to add datasets to.
      */
     protected void addDatasets(XYPlot plot) {
-        logger.debug("addDatasets()");
+        log.debug("addDatasets()");
 
         // AxisDatasets are sorted, but some might be empty.
         // Thus, generate numbering on the fly.
@@ -1279,7 +1279,7 @@
      * @param idx The index of the renderer / dataset.
      */
     protected void applyLineTheme(XYPlot plot, XYDataset dataset, int idx) {
-        logger.debug("Apply LineTheme for dataset at index: " + idx);
+        log.debug("Apply LineTheme for dataset at index: " + idx);
 
         LegendItemCollection lic  = new LegendItemCollection();
         LegendItemCollection anno = plot.getFixedLegendItems();
@@ -1314,7 +1314,7 @@
                 lic.add(legendItem);
             }
             else {
-                logger.warn("Could not get LegentItem for renderer: "
+                log.warn("Could not get LegentItem for renderer: "
                     + idx + ", series-idx " + s);
             }
         }
@@ -1344,7 +1344,7 @@
 
         Font legendFont = createLegendLabelFont();
 
-        logger.debug("Registering an 'area'renderer at idx: " + idx);
+        log.debug("Registering an 'area'renderer at idx: " + idx);
 
         StableXYDifferenceRenderer dRenderer =
             new StableXYDifferenceRenderer();
@@ -1369,7 +1369,7 @@
             lic.add(legendItem);
         }
         else {
-            logger.warn("Could not get LegentItem for renderer: "
+            log.warn("Could not get LegentItem for renderer: "
                 + idx + ", series-idx " + 0);
         }
 
@@ -1410,7 +1410,7 @@
      * @return a new instance of EnhancedLineAndShapeRenderer.
      */
     protected XYLineAndShapeRenderer createRenderer(XYPlot plot, int idx) {
-        logger.debug("Create EnhancedLineAndShapeRenderer for idx: " + idx);
+        log.debug("Create EnhancedLineAndShapeRenderer for idx: " + idx);
 
         EnhancedLineAndShapeRenderer r =
             new EnhancedLineAndShapeRenderer(true, false);