--- a/gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java	Wed Oct 21 11:10:28 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java	Thu Oct 22 08:50:21 2009 +0000
@@ -10,6 +10,8 @@
 import java.util.Iterator;
 import java.util.Map;
 
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.xpath.XPathConstants;
 
 import org.apache.log4j.Logger;
@@ -17,6 +19,7 @@
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
 
 import de.intevation.artifactdatabase.Config;
 import de.intevation.artifactdatabase.DefaultArtifact;
@@ -108,7 +111,7 @@
                                     .get(transitionName);
                             // 2.Ergebnisse Berechnen
                             this.current.advance(uuid, context.getMeta());
-                            // 3. Ergebnisse übergeben
+                            // 3. Ergebnisse Übergeben
                             nextStep.setDescibeData(this.current
                                     .getDescibeData());
                             nextStep.putInputData(this.current.getInputData(),
@@ -166,7 +169,34 @@
         String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(
                 XPATH_IDENTIFIER_REPLACE, this.name);
         log.debug(xpathQuery);
-        return Config.getNodeXPath(document, xpathQuery);
+        
+        Element configurationNode = (Element)Config.getNodeXPath(document, xpathQuery);
+        
+        String link = configurationNode.getAttribute("xlink:href");
+        if (link != null ){
+            String absolutFileName = Config.replaceConfigDir(link);
+            configurationNode = (Element)this.readConfiguration(absolutFileName);
+        }
+        
+        return configurationNode;
+    }
+    
+    
+    private Node readConfiguration(String fileName){
+        try {
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            factory.setValidating(false); 
+            return factory.newDocumentBuilder().parse(fileName).getChildNodes().item(0);
+        } catch (SAXException e) {
+            log.error(e,e);
+            return null;
+        } catch (IOException e) {
+            log.error(e,e);
+            return null;
+        } catch (ParserConfigurationException e) {
+            log.error(e,e);
+            return null;
+        }
     }
 
     /**
@@ -226,6 +256,7 @@
             GNVArtifactContext gnvContext = (GNVArtifactContext) localContext;
             Document doc = gnvContext.getConfig();
             Node artifactNode = this.getConfigurationFragment(doc);
+                        
             NodeList transitionList = Config.getNodeSetXPath(artifactNode,
                     "transitions/transition");
             this.transitions = new HashMap<String, Transition>(transitionList
@@ -403,9 +434,9 @@
             returnValue = new HashMap<String, InputData>(inputElemets
                     .getLength());
             for (int i = 0; i < inputElemets.getLength(); i++) {
-                Node inputDataNode = inputElemets.item(i);
-                String name = Config.getStringXPath(inputDataNode, "@name");
-                String value = Config.getStringXPath(inputDataNode, "@value");
+                Element inputDataNode = (Element)inputElemets.item(i);
+                String name = inputDataNode.getAttribute("name");
+                String value = inputDataNode.getAttribute("value");
 
                 if (returnValue.containsKey(name)) {
                     InputData inputData = returnValue.get(name);