--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java	Tue May 10 07:40:06 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java	Tue May 10 10:26:26 2011 +0000
@@ -8,8 +8,12 @@
 import org.w3c.dom.Document;
 
 import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
+
+import de.intevation.flys.model.River;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
 import de.intevation.flys.artifacts.resources.Resources;
-import de.intevation.artifacts.CallContext;
 
 
 /**
@@ -32,6 +36,9 @@
     /** The CallContext object.*/
     protected CallContext context;
 
+    /** The artifact that is used to decorate the chart with meta information.*/
+    protected Artifact master;
+
 
     public void init(Document request, OutputStream out, CallContext context) {
         logger.debug("ChartGenerator.init");
@@ -42,11 +49,36 @@
     }
 
 
+    public void setMasterArtifact(Artifact master) {
+        this.master = master;
+    }
+
+
     protected String msg(String key, String def) {
         return Resources.getMsg(context.getMeta(), key, def);
     }
 
 
+    protected String msg(String key, String def, Object[] args) {
+        return Resources.getMsg(context.getMeta(), key, def, args);
+    }
+
+
+    protected String getRiverName() {
+        FLYSArtifact flys = (FLYSArtifact) master;
+
+        River river = flys.getRiver();
+        return river != null ? river.getName() : "";
+    }
+
+
+    protected double[] getRange() {
+        FLYSArtifact flys = (FLYSArtifact) master;
+
+        return flys.getDistance();
+    }
+
+
     public abstract void doOut(Artifact artifact, String facet, Document attr);
 
     public abstract void generate() throws IOException;