--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/server/DoCollectionAction.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,62 @@
+package org.dive4elements.river.client.server;
+
+import org.w3c.dom.Document;
+
+import org.apache.log4j.Logger;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+
+import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
+import org.dive4elements.artifacts.common.utils.XMLUtils;
+
+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;
+
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class DoCollectionAction extends RemoteServiceServlet {
+
+    private static final Logger logger =
+        Logger.getLogger(DoCollectionAction.class);
+
+
+    public static final String XPATH_RESULT      = "/art:result/text()";
+    public static final String OPERATION_FAILURE = "FAILED";
+    public static final String FAILURE_EXCEPTION = "collection_action_failed";
+
+
+    protected void doAction(Collection c, Document action, String url)
+    throws    ServerException
+    {
+        logger.info("DoCollectionAction.doAction");
+
+        HttpClient client = new HttpClientImpl(url);
+
+        try {
+            Document res  = (Document) client.doCollectionAction(
+                action, c.identifier(),
+                new DocumentResponseHandler());
+
+            String result = XMLUtils.xpathString(
+                res,
+                XPATH_RESULT,
+                ArtifactNamespaceContext.INSTANCE);
+
+            if (result == null || result.equals(OPERATION_FAILURE)) {
+                logger.error("Operation failed.");
+                throw new ServerException(FAILURE_EXCEPTION);
+            }
+        }
+        catch (ConnectionException ce) {
+            logger.error(ce, ce);
+            throw new ServerException(FAILURE_EXCEPTION);
+        }
+    }
+}