--- a/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java	Wed Mar 02 10:00:17 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java	Mon Mar 07 13:40:37 2011 +0000
@@ -1,13 +1,26 @@
 package de.intevation.flys.client.server;
 
+import javax.xml.xpath.XPathConstants;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
 
 import com.google.gwt.core.client.GWT;
 
-import de.intevation.artifacts.common.model.DefaultUser;
-import de.intevation.artifacts.common.model.User;
+import de.intevation.artifacts.common.ArtifactNamespaceContext;
+import de.intevation.artifacts.common.utils.XMLUtils;
+
+import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
+import de.intevation.artifacts.httpclient.http.HttpClient;
+import de.intevation.artifacts.httpclient.http.HttpClientImpl;
+import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
 
 import de.intevation.flys.client.client.services.UserService;
+import de.intevation.flys.client.shared.model.DefaultUser;
+import de.intevation.flys.client.shared.model.User;
 
 
 /**
@@ -17,9 +30,37 @@
 extends      RemoteServiceServlet
 implements   UserService
 {
-    public User getCurrentUser() {
-        GWT.log("Return the current user 'Max Mustermann'.");
-        return new DefaultUser("Max", "Mustermann");
+    public User getCurrentUser(String serverUrl) {
+        HttpClient client = new HttpClientImpl(serverUrl);
+
+        try {
+            Document users = (Document) client.listUsers();
+
+            String XPATH_USERS = "/art:users/art:user";
+
+            NodeList theUsers = (NodeList) XMLUtils.xpath(
+                users,
+                XPATH_USERS,
+                XPathConstants.NODESET,
+                ArtifactNamespaceContext.INSTANCE);
+
+            if (theUsers != null && theUsers.getLength() > 0) {
+                Node user = theUsers.item(0);
+
+                String uuid = XMLUtils.xpathString(
+                    user, "@art:uuid", ArtifactNamespaceContext.INSTANCE);
+                String name = XMLUtils.xpathString(
+                    user, "@art:name", ArtifactNamespaceContext.INSTANCE);
+
+                return new DefaultUser(uuid, name);
+            }
+        }
+        catch (ConnectionException ce) {
+            System.err.println(ce.getLocalizedMessage());
+        }
+
+        System.err.println("No users existing in the server.");
+        return null;
     }
 }
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