--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/server/CollectionAttributeServiceImpl.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,65 @@
+package org.dive4elements.river.client.server;
+
+import org.w3c.dom.Document;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifacts.common.utils.ClientProtocolUtils;
+
+import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
+import org.dive4elements.artifacts.httpclient.http.HttpClient;
+import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
+import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler;
+
+import org.dive4elements.river.client.shared.exceptions.ServerException;
+import org.dive4elements.river.client.shared.model.Collection;
+
+import org.dive4elements.river.client.client.services.CollectionAttributeService;
+
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class CollectionAttributeServiceImpl
+extends      DescribeCollectionServiceImpl
+implements   CollectionAttributeService
+{
+    private static final Logger logger =
+        Logger.getLogger(CollectionAttributeServiceImpl.class);
+
+
+    public static final String ERROR_UPDATING_COLLECTION_ATTRIBUTE =
+        "error_update_collection_attribute";
+
+
+    public Collection update(Collection collection, String locale)
+    throws ServerException
+    {
+        logger.info("CollectionAttributeServiceImpl.update");
+
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Document attribute = CollectionHelper.createAttribute(collection);
+        Document action    = ClientProtocolUtils.newSetAttributeDocument(
+            collection.identifier(),
+            attribute);
+
+        try {
+            HttpClient http = new HttpClientImpl(url, locale);
+            Document   res  = (Document) http.doCollectionAction(
+                action,
+                collection.identifier(),
+                new DocumentResponseHandler());
+
+            logger.debug("Collection attribute successfully set.");
+
+            return describe(collection.identifier(), locale);
+        }
+        catch (ConnectionException ce) {
+            logger.error(ce, ce);
+        }
+
+        throw new ServerException(ERROR_UPDATING_COLLECTION_ATTRIBUTE);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :