--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverAxisState.java	Fri Sep 28 12:14:17 2012 +0200
@@ -0,0 +1,82 @@
+package de.intevation.flys.artifacts.states;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.artifacts.CallContext;
+import de.intevation.artifacts.CallMeta;
+
+import de.intevation.artifactdatabase.state.Facet;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
+import de.intevation.flys.artifacts.context.FLYSContext;
+import de.intevation.flys.artifacts.model.WMSLayerFacet;
+import de.intevation.flys.artifacts.resources.Resources;
+import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
+import de.intevation.flys.utils.FLYSUtils;
+import de.intevation.flys.utils.GeometryUtils;
+
+
+public class RiverAxisState extends OutputState {
+
+    public static final String I18N_DESCRIPTION = "floodmap.riveraxis";
+
+    public static final String WMS_LAYER_NAME = "riveraxis";
+
+
+
+    private static final Logger logger = Logger.getLogger(RiverAxisState.class);
+
+
+    @Override
+    public Object computeInit(
+        FLYSArtifact artifact,
+        String       hash,
+        Object       context,
+        CallMeta     meta,
+        List<Facet>  facets
+    ) {
+        logger.debug("RiverAxisState.computeInit()");
+
+        FLYSContext flysContext = null;
+
+        if (context instanceof FLYSContext) {
+            flysContext = (FLYSContext) context;
+        }
+        else {
+            flysContext = (FLYSContext) ((CallContext) context).globalContext();
+        }
+
+        Map<String, String> wms = (Map<String, String>)
+            flysContext.get(FLYSContext.RIVER_WMS);
+
+        String river = artifact.getDataAsString("river");
+
+        if(river == null || river.length() == 0) {
+            logger.warn("No river found in the current parameterization.");
+            return null;
+        }
+
+        String url = wms.get(river);
+
+        // TODO Add config for background layer
+        WMSLayerFacet facet = new WMSLayerFacet(
+            0,
+            FLOODMAP_RIVERAXIS,
+            Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION),
+            ComputeType.INIT,
+            getID(), hash,
+            url);
+
+        facet.addLayer(WMS_LAYER_NAME);
+        facet.setExtent(GeometryUtils.getRiverBounds(river));
+        facet.setSrid(FLYSUtils.getRiverSrid(artifact));
+
+        facets.add(facet);
+
+        return null;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :