--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/StackFrames.java	Wed Aug 10 08:43:38 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/StackFrames.java	Wed Aug 10 10:08:01 2011 +0000
@@ -1,9 +1,11 @@
 package de.intevation.flys.artifacts.datacage.templating;
 
+import java.util.ArrayList;
 import java.util.Map;
 import java.util.List;
 import java.util.HashMap;
-import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
 
 import javax.xml.xpath.XPathVariableResolver;
 
@@ -83,5 +85,25 @@
         }
         return get(variableName.getLocalPart());
     }
+
+    public String dump() {
+        StringBuilder sb = new StringBuilder("[");
+        Set<String> already = new HashSet<String>();
+
+        boolean first = true;
+
+        for (int i = frames.size()-1; i >= 0; --i) {
+            Map<String, Object> frame = frames.get(i);
+            for (Map.Entry<String, Object> entry: frame.entrySet()) {
+                if (already.add(entry.getKey())) {
+                    if (first) { first = false;   }
+                    else       { sb.append(", "); }
+                    sb.append('\'').append(entry.getKey())
+                      .append("'='").append(entry.getValue()).append('\'');
+                }
+            }
+        }
+        return sb.append(']').toString();
+    }
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :