--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/server/ArtifactServiceImpl.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,105 @@
+package org.dive4elements.river.client.server;
+
+import org.apache.log4j.Logger;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+
+import org.dive4elements.river.client.shared.exceptions.ServerException;
+import org.dive4elements.river.client.shared.model.Artifact;
+import org.dive4elements.river.client.client.services.ArtifactService;
+
+import org.dive4elements.river.client.shared.model.Collection;
+import org.dive4elements.river.client.shared.model.Recommendation;
+
+/**
+ * This interface provides artifact specific services as CREATE, DESCRIBE, FEED,
+ * ADVANCE and OUT.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ArtifactServiceImpl
+extends      RemoteServiceServlet
+implements   ArtifactService
+{
+    /** Private logger. */
+    private static final Logger logger =
+        Logger.getLogger(ArtifactServiceImpl.class);
+
+
+    /**
+     * Creates new Artifacts based on a given Recommendation and factory.
+     * <b>Note, that all the work is done in ArtifactHelper!</b>
+     *
+     * @param locale The locale used for HTTP request.
+     * @param factory The factory that is used to create the new Artifact.
+     * @param recom Recommendation with details of the artifact to create.
+     *
+     * @return a new Artifact.
+     */
+    public Artifact create(
+        String         locale,
+        String         factory,
+        Recommendation recom
+    )
+    throws ServerException
+    {
+        logger.info("ArtifactServiceImpl.create");
+
+        String url  = getServletContext().getInitParameter("server-url");
+
+        return ArtifactHelper.createArtifact(url, locale, factory, recom);
+    }
+
+    /**
+     * Create a new GaugeDischageCurveArtifact
+     *
+     * @param river    the river
+     * @param gaugeref reference id of the gauge
+     */
+    public Artifact createGaugeDischargeCurveArtifact(
+            Collection collection,
+            String locale,
+            String river,
+            Long   gaugeref)
+    throws ServerException
+    {
+        logger.info("ArtifactServiceImpl.createGaugeDischargeCurverArtifact");
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Artifact artifact = ArtifactHelper.createGaugeDischargeCurveArtifact(url,
+                locale, river, gaugeref);
+        if (artifact == null) {
+            return null;
+        }
+        logger.info("GaugeDischargeCurveArtifact created successfully");
+
+        CollectionHelper.addArtifact(collection, artifact, url, locale);
+
+        return artifact;
+    }
+
+    @Override
+    public Artifact createSQRelationArtifact(
+        Collection collection,
+        String locale,
+        String river,
+        int measurementStation)
+    throws ServerException
+    {
+        logger.info("ArtifactServiceImpl.createSQRelationArtifact");
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Artifact artifact = ArtifactHelper.createSQRelationArtifact(url,
+                locale, river, measurementStation);
+        if (artifact == null) {
+            return null;
+        }
+        logger.info("SQRelationArtifact created successfully");
+
+        CollectionHelper.addArtifact(collection, artifact, url, locale);
+
+        return artifact;
+    }
+
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :