--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java	Fri Sep 28 12:14:35 2012 +0200
@@ -0,0 +1,153 @@
+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.GaugeLocation;
+
+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 WMSGaugeLocationArtifact extends WMSDBArtifact {
+
+    public static final String NAME = "wmsgaugelocation";
+
+
+    private static final Logger logger =
+        Logger.getLogger(WMSGaugeLocationArtifact.class);
+
+
+    @Override
+    public void setup(
+        String          identifier,
+        ArtifactFactory factory,
+        Object          context,
+        CallMeta        callMeta,
+        Document        data)
+    {
+        logger.debug("WMSGaugeLocationArtifact.setup");
+
+        super.setup(identifier, factory, context, callMeta, data);
+    }
+
+
+    @Override
+    public String getName() {
+        return NAME;
+    }
+
+
+    @Override
+    public State getCurrentState(Object cc) {
+        State s = new WMSGaugeLocationState(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 WMSGaugeLocationState extends WMSDBState implements FacetTypes {
+
+        private static final Logger logger =
+            Logger.getLogger(WMSGaugeLocationState.class);
+
+        protected Geometry geom;
+
+        public WMSGaugeLocationState(WMSDBArtifact artifact) {
+            super(artifact);
+        }
+
+        @Override
+        protected String getFacetType() {
+            return FLOODMAP_GAUGE_LOCATION;
+        }
+
+        @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<GaugeLocation> gauges =
+                GaugeLocation.getGaugeLocations(getRiverId(), getName());
+
+            Envelope max = null;
+
+            for (GaugeLocation gauge: gauges) {
+                Envelope env = gauge.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()) +
+                " and name='" + getName() + "'";
+        }
+
+        @Override
+        protected String getDataString() {
+            String srid = getSrid();
+
+            if (FLYSUtils.isUsingOracle()) {
+                return "geom FROM gauge_location USING SRID " + srid;
+            }
+            else {
+                return "geom FROM gauge_location " +
+                       "USING UNIQUE id USING SRID " + srid;
+            }
+        }
+
+        @Override
+        protected String getGeometryType() {
+            return "POINT";
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :