--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java	Fri Sep 28 12:14:35 2012 +0200
@@ -0,0 +1,171 @@
+package de.intevation.flys.artifacts;
+
+import java.util.List;
+
+import org.w3c.dom.Document;
+
+import org.apache.log4j.Logger;
+
+import com.vividsolutions.jts.geom.Envelope;
+import com.vividsolutions.jts.geom.Geometry;
+
+import de.intevation.artifacts.ArtifactFactory;
+import de.intevation.artifacts.CallMeta;
+
+import de.intevation.artifactdatabase.state.Facet;
+import de.intevation.artifactdatabase.state.DefaultOutput;
+import de.intevation.artifactdatabase.state.State;
+
+import de.intevation.flys.model.River;
+import de.intevation.flys.model.RiverAxisKm;
+
+import de.intevation.flys.artifacts.WMSDBArtifact.WMSDBState;
+import de.intevation.flys.artifacts.model.FacetTypes;
+import de.intevation.flys.artifacts.model.RiverFactory;
+import de.intevation.flys.utils.FLYSUtils;
+import de.intevation.flys.utils.GeometryUtils;
+
+
+public class WMSKmArtifact extends WMSDBArtifact {
+
+    public static final String NAME = "wmskm";
+
+
+    private static final Logger logger = Logger.getLogger(WMSKmArtifact.class);
+
+
+    @Override
+    public void setup(
+        String          identifier,
+        ArtifactFactory factory,
+        Object          context,
+        CallMeta        callMeta,
+        Document        data)
+    {
+        logger.debug("WMSKmArtifact.setup");
+
+        super.setup(identifier, factory, context, callMeta, data);
+    }
+
+
+    @Override
+    public String getName() {
+        return NAME;
+    }
+
+
+    @Override
+    public State getCurrentState(Object cc) {
+        State s = new WMSKmState(this);
+
+        List<Facet> fs = facets.get(getCurrentStateId());
+
+        DefaultOutput o = new DefaultOutput(
+            "floodmap",
+            "floodmap",
+            "image/png",
+            fs,
+            "map");
+
+        s.getOutputs().add(o);
+
+        return s;
+    }
+
+
+
+    public static class WMSKmState extends WMSDBState implements FacetTypes {
+
+        private static final Logger logger = Logger.getLogger(WMSKmState.class);
+
+        protected Geometry geom;
+        protected int      riverId;
+
+        public WMSKmState(WMSDBArtifact artifact) {
+            super(artifact);
+            riverId = 0;
+        }
+
+        public int getRiverId() {
+            if (riverId == 0) {
+                String ids = artifact.getDataAsString("ids");
+
+                try {
+                    riverId = Integer.valueOf(ids);
+                }
+                catch (NumberFormatException nfe) {
+                    logger.error("Cannot parse river id from '" + ids + "'");
+                }
+            }
+
+            return riverId;
+        }
+
+        @Override
+        protected String getFacetType() {
+            return FLOODMAP_KMS;
+        }
+
+        @Override
+        protected String getUrl() {
+            return FLYSUtils.getUserWMSUrl(artifact.identifier());
+        }
+
+        @Override
+        protected String getSrid() {
+            River river = RiverFactory.getRiver(getRiverId());
+            return FLYSUtils.getRiverSrid(river.getName());
+        }
+
+        @Override
+        protected Envelope getExtent() {
+            List<RiverAxisKm> kms = RiverAxisKm.getRiverAxisKms(getRiverId());
+
+            Envelope max = null;
+
+            for (RiverAxisKm km: kms) {
+                Envelope env = km.getGeom().getEnvelopeInternal();
+
+                if (max == null) {
+                    max = env;
+                    continue;
+                }
+
+                max.expandToInclude(env);
+            }
+
+            return max != null
+                ? GeometryUtils.transform(max, getSrid())
+                : max;
+        }
+
+        @Override
+        protected String getFilter() {
+            return "river_id=" + String.valueOf(getRiverId());
+        }
+
+        @Override
+        protected String getDataString() {
+            String srid = getSrid();
+
+            if (FLYSUtils.isUsingOracle()) {
+                return "geom FROM river_axes_km USING SRID " + srid;
+            }
+            else {
+                return "geom FROM river_axes_km " +
+                       "USING UNIQUE id USING SRID " + srid;
+            }
+        }
+
+        @Override
+        protected String getLabelItem() {
+            return "km";
+        }
+
+        @Override
+        protected String getGeometryType() {
+            return "POINT";
+        }
+    } // end of WMSKmState
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :