--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/MapArtifact.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,188 @@
+package org.dive4elements.river.artifacts;
+
+import org.dive4elements.artifactdatabase.ProtocolUtils;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.Output;
+import org.dive4elements.artifactdatabase.state.State;
+import org.dive4elements.artifactdatabase.state.StateEngine;
+import org.dive4elements.artifacts.ArtifactFactory;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.artifacts.CallMeta;
+import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
+import org.dive4elements.river.artifacts.RiverAxisArtifact.RiverAxisState;
+import org.dive4elements.river.artifacts.context.FLYSContext;
+import org.dive4elements.river.artifacts.model.map.WMSDBLayerFacet;
+import org.dive4elements.river.artifacts.states.DefaultState;
+import org.dive4elements.river.model.River;
+import org.dive4elements.river.utils.FLYSUtils;
+import org.dive4elements.river.utils.MapUtils;
+
+import java.util.List;
+
+import org.apache.log4j.Logger;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+
+public class MapArtifact extends FLYSArtifact {
+
+    private static final Logger logger =
+        Logger.getLogger(MapArtifact.class);
+
+    @Override
+    public void setup(
+        String          identifier,
+        ArtifactFactory factory,
+        Object          context,
+        CallMeta        callmeta,
+        Document        data)
+    {
+        logger.debug("MapArtifact.setup");
+        this.identifier = identifier;
+        name = "new_map";
+
+        List<State> states = getStates(context);
+
+        setCurrentState(states.get(0));
+    }
+
+
+    @Override
+    protected void appendBackgroundActivity(
+        ElementCreator cr,
+        Element        root,
+        CallContext    context
+    ) {
+        Element inBackground = cr.create("background-processing");
+        root.appendChild(inBackground);
+
+        cr.addAttr(
+            inBackground,
+            "value",
+            String.valueOf(context.isInBackground()),
+            true);
+    }
+
+
+    /**
+     * Append output mode nodes to a document.
+     */
+    @Override
+    protected void appendOutputModes(
+        Document    doc,
+        Element     outs,
+        CallContext context,
+        String      uuid)
+    {
+        List<String> stateIds = getPreviousStateIds();
+
+        FLYSContext flysContext = FLYSUtils.getFlysContext(context);
+        StateEngine engine      = (StateEngine) flysContext.get(
+            FLYSContext.STATE_ENGINE_KEY);
+
+        for (String stateId: stateIds) {
+            logger.debug("Append output modes for state: " + stateId);
+            DefaultState state = (DefaultState) engine.getState(stateId);
+
+            List<Output> list = state.getOutputs();
+            if (list == null || list.isEmpty()) {
+                logger.debug("-> No output modes for this state.");
+                continue;
+            }
+
+            List<Facet> fs = getFacets(stateId);
+
+            if (fs == null || fs.isEmpty()) {
+                logger.debug("No facets for previous state found.");
+                continue;
+            }
+
+            logger.debug("Found " + fs.size() + " facets in previous states.");
+
+            List<Output> generated = generateOutputs(list, fs);
+
+            ProtocolUtils.appendOutputModes(doc, outs, generated);
+        }
+
+        try {
+            DefaultState cur = (DefaultState) getCurrentState(context);
+            if (cur.validate(this)) {
+                List<Output> list = cur.getOutputs();
+                if (list != null && list.size() > 0) {
+                    logger.debug(
+                        "Append output modes for current state: " + cur.getID());
+
+                    List<Facet> fs = getFacets(cur.getID());
+
+                    if (fs != null && fs.size() > 0) {
+                        List<Output> generated = generateOutputs(list, fs);
+
+                        logger.debug("Found " + fs.size() + " current facets.");
+                        if (!generated.isEmpty()) {
+                            ProtocolUtils.appendOutputModes(
+                                doc, outs, generated);
+                        }
+                    }
+                    else {
+                        logger.debug("No facets found for the current state.");
+                    }
+                }
+            }
+        }
+        catch (IllegalArgumentException iae) {
+            // state is not valid, so we do not append its outputs.
+        }
+    }
+
+    public static class MapState extends RiverAxisState {
+
+        @Override
+        public Object computeAdvance(
+            FLYSArtifact artifact,
+            String       hash,
+            CallContext  context,
+            List<Facet>  facets,
+            Object       old)
+        {
+            logger.debug("MapState.computeAdvance");
+
+            this.artifact = artifact;
+
+            String type = getFacetType();
+
+            WMSDBLayerFacet facet = new WMSDBLayerFacet(
+                0,
+                type,
+                getTitle(context.getMeta()),
+                ComputeType.ADVANCE,
+                getID(), hash,
+                getUrl());
+
+            String name = artifact.getDataAsString("river");
+
+            facet.addLayer(name);
+            facet.setExtent(getExtent(false));
+            facet.setOriginalExtent(getExtent(true));
+            facet.setSrid(getSrid());
+            facet.setData(getDataString());
+            facet.setFilter(getFilter());
+            facet.setGeometryType(getGeometryType());
+            facet.setConnection(MapUtils.getConnection());
+            facet.setConnectionType(MapUtils.getConnectionType());
+            facet.setLabelItem(getLabelItem());
+
+            facets.add(facet);
+
+            return null;
+        }
+
+        @Override
+        public int getRiverId() {
+            River r = FLYSUtils.getRiver(artifact);
+            int riverId = r.getId();
+
+            return riverId;
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :