--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/exports/ReportGenerator.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,96 @@
+package org.dive4elements.river.exports;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.artifacts.common.utils.XMLUtils;
+
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.Settings;
+
+import org.dive4elements.river.artifacts.model.Calculation;
+import org.dive4elements.river.collections.FLYSArtifactCollection;
+
+import org.w3c.dom.Document;
+
+public class ReportGenerator
+implements   OutGenerator
+{
+    private static Logger logger = Logger.getLogger(ReportGenerator.class);
+
+    protected Document     result;
+    protected OutputStream out;
+    protected CallContext  context;
+
+    public ReportGenerator() {
+    }
+
+    @Override
+    public void init(Document request, OutputStream out, CallContext context) {
+        logger.debug("init");
+        this.out     = out;
+        this.context = context;
+        result       = null;
+    }
+
+    @Override
+    public void setMasterArtifact(Artifact master) {
+        // not needed
+    }
+
+    @Override
+    public void setCollection(FLYSArtifactCollection collection) {
+        // not needed
+    }
+
+    @Override
+    public void doOut(
+        ArtifactAndFacet artifactFacet,
+        Document         attr,
+        boolean          visible
+    ) {
+        logger.debug("doOut");
+        Facet facet = artifactFacet.getFacet();
+        if (facet != null) {
+            Calculation report = (Calculation) artifactFacet.getData(context);
+            if (result == null) {
+                result = XMLUtils.newDocument();
+                report.toXML(result, context.getMeta());
+            }
+        }
+    }
+
+    @Override
+    public void generate() throws IOException {
+        logger.debug("generate");
+        XMLUtils.toStream(result != null
+            ? result
+            : XMLUtils.newDocument(), out);
+    }
+
+
+    /**
+     * Returns an instance of <i>EmptySettings</i> currently!
+     *
+     * @return an instance of <i>EmptySettings</i>.
+     */
+    public Settings getSettings() {
+        return new EmptySettings();
+    }
+
+
+    /**
+     * This method is not implemented. Override it in subclasses if those need a
+     * <i>Settings</i> object.
+     */
+    public void setSettings(Settings settings) {
+        // do nothing
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :