--- a/gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java	Wed Feb 17 09:40:15 2010 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java	Fri Feb 19 13:28:34 2010 +0000
@@ -52,9 +52,13 @@
 import de.intevation.gnv.utils.StringUtils;
 import de.intevation.gnv.utils.WKTUtils;
 
+import de.intevation.gnv.wms.LayerInfo;
+
 import java.awt.Dimension;
 
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
@@ -74,21 +78,27 @@
 /**
  * @author Tim Englich         (tim.englich@intevation.de)
  * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
+ * @author Ingo Weinzierl      (ingo.weinzierl@intevation.de)
  */
-public class HorizontalCrossSectionMeshOutputState 
+public class HorizontalCrossSectionMeshOutputState
 extends      OutputStateBase
 {
     private static Logger log = Logger
         .getLogger(HorizontalCrossSectionMeshOutputState.class);
-    
+
     /**
      * The UID of this Class
      */
     private static final long serialVersionUID = 3233620652465061860L;
-    
+
     public static final boolean USE_INDEX_BUFFER =
         Boolean.getBoolean("gnv.horizontal.cross.section.mesh.index.buffer");
 
+    public static final String META_FILE_NAME = "meta.xml";
+    public static final String ISOLINES_NAME  = "isolines.shp";
+    public static final String POLYGON_NAME   = "polygons.shp";
+    public static final String LAYER_MODEL    = "horizontalcrosssection";
+
     private String ijkQueryID;
 
     private Boolean shapeFileLock = new Boolean(true);
@@ -250,6 +260,13 @@
             AttributedPoint2ds result = getResult(uuid, callContext);
             if (result != null
             && (path = writeToShapeFile(uuid, result, callContext)) != null) {
+
+                Document meta = null;
+                if ((meta = writeMeta(callContext, uuid, path)) != null) {
+                    MapfileGenerator.getInstance().update();
+                    return meta;
+                }
+
                 pathElement.setTextContent(path);
             }
         }
@@ -290,8 +307,8 @@
             List<Pair<Object, MultiLineString>> isolines =
                 result.getLineStrings();
 
-            File polygonsFile = new File(shapeDir, "polygons.shp");
-            File isolinesFile = new File(shapeDir, "isolines.shp");
+            File polygonsFile = new File(shapeDir, POLYGON_NAME);
+            File isolinesFile = new File(shapeDir, ISOLINES_NAME);
 
             if (!ShapeFileWriter.writeMultiPolygonsToFile(
                 polygonsFile,
@@ -320,8 +337,6 @@
 
             callContext.afterCall(CallContext.STORE);
 
-            MapfileGenerator.getInstance().update();
-
             return shapeFilePath;
         }
         finally {
@@ -331,6 +346,131 @@
         }
     }
 
+    protected Document writeMeta(CallContext context, String uuid, String path){
+        InputData inputParam = inputData.get("parameterid");
+        Map<Integer, PaletteManager> paletteManagers = getPalettes(context);
+        String paramType = null;
+
+        if (inputParam == null || paletteManagers == null) {
+            log.warn("Parameter-id not found.");
+            paramType = LAYER_MODEL;
+        }
+        else {
+            Integer parameterId = Integer.parseInt(inputParam.getValue());
+            PaletteManager paletteManager = paletteManagers.get(parameterId);
+
+            paramType = LAYER_MODEL + "_" + paletteManager.getName();
+        }
+
+
+        Document meta = XMLUtils.newDocument();
+        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
+            meta,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element root = creator.create("meta");
+        meta.appendChild(root);
+
+        writePolygonMeta(context, meta, root, uuid, path, paramType);
+        writeIsolineMeta(context, meta, root, uuid, path, paramType);
+
+        try {
+            File metaFile = new File(path, META_FILE_NAME);
+
+            if (!metaFile.createNewFile() || !metaFile.canWrite()) {
+                log.error("Error while writing meta file: "+metaFile.toString());
+                return null;
+            }
+
+            OutputStream out = new FileOutputStream(metaFile);
+            XMLUtils.toStream(meta, out);
+
+            return meta;
+        }
+        catch (FileNotFoundException fnfe) {
+            log.error(fnfe);
+        }
+        catch (IOException ioe) {
+            log.error(ioe, ioe);
+        }
+
+        return meta;
+    }
+
+
+    protected void writePolygonMeta(
+        CallContext context,
+        Document    document,
+        Element     meta,
+        String      uuid,
+        String      path,
+        String      paramType
+    ) {
+        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
+            document,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element layer  = creator.create(LayerInfo.LAYER);
+        Element model  = creator.create(LayerInfo.LAYER_MODEL);
+        Element name   = creator.create(LayerInfo.LAYER_NAME);
+        Element type   = creator.create(LayerInfo.LAYER_TYPE);
+        Element status = creator.create(LayerInfo.LAYER_STATUS);
+        Element data   = creator.create(LayerInfo.LAYER_DATA);
+
+        model.setTextContent(paramType);
+        name.setTextContent(uuid);
+        type.setTextContent("POLYGON");
+        status.setTextContent("DEFAULT");
+        data.setTextContent(POLYGON_NAME);
+
+        layer.appendChild(model);
+        layer.appendChild(name);
+        layer.appendChild(type);
+        layer.appendChild(status);
+        layer.appendChild(data);
+
+        meta.appendChild(layer);
+    }
+
+
+    protected void writeIsolineMeta(
+        CallContext context,
+        Document    document,
+        Element     meta,
+        String      uuid,
+        String      path,
+        String      paramType
+    ) {
+        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
+            document,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element layer  = creator.create(LayerInfo.LAYER);
+        Element model  = creator.create(LayerInfo.LAYER_MODEL);
+        Element name   = creator.create(LayerInfo.LAYER_NAME);
+        Element type   = creator.create(LayerInfo.LAYER_TYPE);
+        Element status = creator.create(LayerInfo.LAYER_STATUS);
+        Element data   = creator.create(LayerInfo.LAYER_DATA);
+
+        model.setTextContent(paramType+"_isolines");
+        name.setTextContent(uuid);
+        type.setTextContent("LINE");
+        status.setTextContent("DEFAULT");
+        data.setTextContent(ISOLINES_NAME);
+
+        layer.appendChild(model);
+        layer.appendChild(name);
+        layer.appendChild(type);
+        layer.appendChild(status);
+        layer.appendChild(data);
+
+        meta.appendChild(layer);
+    }
+
+
     protected AttributedPoint2ds getResult(String uuid, CallContext callContext)
     throws StateException
     {
@@ -486,7 +626,7 @@
 
         return ap2ds;
     }
-    
+
     public AttributedPoint2ds process(
         Envelope           boundingBox,
         Polygon            polygon,