--- a/artifact-database/src/main/java/de/intevation/artifactdatabase/ArtifactDatabaseImpl.java	Tue Apr 26 06:56:01 2011 +0000
+++ b/artifact-database/src/main/java/de/intevation/artifactdatabase/ArtifactDatabaseImpl.java	Tue Apr 26 07:43:40 2011 +0000
@@ -1265,7 +1265,54 @@
         finally {
             cc.postCall();
         }
+    }
 
+
+    public Document getCollectionAttribute(String collectionId, CallMeta meta)
+    throws ArtifactDatabaseException
+    {
+        logger.debug("Fetch collection attribute for: " + collectionId);
+
+        return backend.getCollectionAttribute(collectionId);
+    }
+
+
+    public Document setCollectionAttribute(
+        String   collectionId,
+        CallMeta meta,
+        Document attribute)
+    throws ArtifactDatabaseException
+    {
+        logger.debug("Set the attribute for the collection: " + collectionId);
+
+        Document attributes = XMLUtils.newDocument();
+
+        Node attr = (Node) XMLUtils.xpath(
+            attribute,
+            XPATH_COLLECTION_ATTRIBUTE,
+            XPathConstants.NODE,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (attr != null) {
+            attributes.appendChild(attributes.importNode(attr, true));
+        }
+
+        Document result = XMLUtils.newDocument();
+
+        XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
+            result,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element root = ec.create("result");
+        result.appendChild(root);
+
+        boolean success = backend.setCollectionAttribute(
+            collectionId, attributes);
+
+        root.setTextContent(success ? OPERATION_SUCCESSFUL: OPERATION_FAILURE);
+
+        return result;
     }
 
     public Document getCollectionItemAttribute(String collectionId, String artifactId,