# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1300877521 0
# Node ID dde6904ba16050617183042bef5fd50e94dc6df7
# Parent  8735d1a9af4c771fec1d923b19e8f29b71d3d479
The DESCRIBE of the WINFO artifact contains the available output modes now.

flys-artifacts/trunk@1544 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 8735d1a9af4c -r dde6904ba160 flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Tue Mar 22 16:09:30 2011 +0000
+++ b/flys-artifacts/ChangeLog	Wed Mar 23 10:52:01 2011 +0000
@@ -1,3 +1,12 @@
+2011-03-23  Ingo Weinzierl <ingo@intevation.de>
+
+	* src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java: Added
+	  some code to append the output modes of previous states to the DESCRIBE
+	  document.
+
+	  TODO: Determine if the current state is already filled with data and
+	  append its output modes as well!
+
 2011-03-22  Ingo Weinzierl <ingo@intevation.de>
 
 	* doc/conf/artifacts/winfo.xml: Enhanced the location_distance state with
diff -r 8735d1a9af4c -r dde6904ba160 flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Tue Mar 22 16:09:30 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Wed Mar 23 10:52:01 2011 +0000
@@ -13,6 +13,7 @@
 import de.intevation.artifacts.CallContext;
 
 import de.intevation.artifactdatabase.ProtocolUtils;
+import de.intevation.artifactdatabase.state.Output;
 import de.intevation.artifactdatabase.state.State;
 import de.intevation.artifactdatabase.state.StateEngine;
 import de.intevation.artifactdatabase.transition.TransitionEngine;
@@ -97,6 +98,10 @@
         Element staticUI  = ProtocolUtils.createArtNode(
             creator, "static", null, null);
 
+        Element outs = ProtocolUtils.createArtNode(
+            creator, "outputmodes", null, null);
+        appendOutputModes(description, outs, context, identifier());
+
         appendStaticUI(description, staticUI, context, identifier());
 
         Element dynamic = current.describe(
@@ -105,9 +110,14 @@
             context,
             identifier());
 
-        ui.appendChild(dynamic);
+        if (dynamic != null) {
+            ui.appendChild(dynamic);
+        }
+
         ui.appendChild(staticUI);
+
         root.appendChild(ui);
+        root.appendChild(outs);
 
         return description;
     }
@@ -123,6 +133,41 @@
     }
 
 
+    protected void appendOutputModes(
+        Document    doc,
+        Element     outs,
+        CallContext context,
+        String      uuid)
+    {
+        Vector<String> stateIds = getPreviousStateIds();
+
+        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
+            doc,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        FLYSContext flysContext = getFlysContext(context);
+        StateEngine engine      = (StateEngine) flysContext.get(
+            FLYSContext.STATE_ENGINE_KEY);
+
+        for (String stateId: stateIds) {
+            logger.debug("Append output modes for state: " + stateId);
+            State state = engine.getState(stateId);
+
+            List<Output> list = state.getOutputs();
+            if (list == null || list.size() == 0) {
+                continue;
+            }
+
+            ProtocolUtils.appendOutputModes(creator, outs, list);
+        }
+
+        // TODO If the current state is already filled with data, the output is
+        // available as well! So we need some code to append the outputs of the
+        // current already filled state.
+    }
+
+
     /**
      * This method appends the static data - that has already been inserted by
      * the user - to the static node of the DESCRIBE document.