--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/shared/model/AbstractFixBunduArtifact.java	Wed May 16 17:43:47 2018 +0200
@@ -0,0 +1,143 @@
+/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+package org.dive4elements.river.client.shared.model;
+
+import java.util.List;
+
+import com.google.gwt.core.client.GWT;
+
+/**
+ * @author Domenico Nardi Tironi
+ *
+ */
+public abstract class AbstractFixBunduArtifact extends DefaultArtifact {
+
+    /** The name of this artifact: 'fixanalysis'. */
+
+    protected FixFilter filter;
+
+    public AbstractFixBunduArtifact() {
+        this.filter = null;
+    }
+
+    public AbstractFixBunduArtifact(final String uuid, final String hash) {
+        super(uuid, hash);
+        this.filter = null;
+    }
+
+    public AbstractFixBunduArtifact(final String uuid, final String hash, final boolean inBackground, final List<CalculationMessage> messages) {
+        super(uuid, hash, inBackground, messages);
+    }
+
+    public FixFilter getFilter() {
+        return createFilter();
+    }
+
+    protected abstract String getEventstateId();
+
+    protected FixFilter createFilter() {
+        if (this.filter == null) {
+            this.filter = new FixFilter();
+        }
+        final DataList[] old = this.artifactDescription.getOldData();
+
+        final String river = this.artifactDescription.getDataValueAsString("river");
+        if (river != null) {
+            this.filter.setRiver(river);
+        }
+
+        final String from = this.artifactDescription.getDataValueAsString("ld_from");
+        if (from != null) {
+            try {
+                final double fkm = Double.parseDouble(from);
+                this.filter.setFromKm(fkm);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("Could not parse from km.");
+            }
+        }
+
+        final String to = this.artifactDescription.getDataValueAsString("ld_to");
+        if (to != null) {
+            try {
+                final double tkm = Double.parseDouble(to);
+                this.filter.setToKm(tkm);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("Could not parse to km");
+            }
+        }
+
+        final String start = this.artifactDescription.getDataValueAsString("start");
+        if (start != null) {
+            try {
+                final long s = Long.parseLong(start);
+                this.filter.setFromDate(s);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("Could not parse start date");
+            }
+        }
+
+        final String end = this.artifactDescription.getDataValueAsString("end");
+        if (end != null) {
+            try {
+                final long e = Long.parseLong(end);
+                this.filter.setToDate(e);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("Could not parse end date");
+            }
+        }
+
+        final String q1 = this.artifactDescription.getDataValueAsString("q1");
+        if (q1 != null) {
+            try {
+                final int q1i = Integer.parseInt(q1);
+                this.filter.setFromClass(q1i);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("Could not parse start class");
+            }
+        }
+
+        final String q2 = this.artifactDescription.getDataValueAsString("q2");
+        if (q2 != null) {
+            try {
+                final int q2i = Integer.parseInt(q2);
+                this.filter.setToClass(q2i);
+            }
+            catch (final NumberFormatException nfe) {
+                GWT.log("could not parse end class");
+            }
+        }
+
+        for (final DataList list : old) {
+            final List<Data> items = list.getAll();
+            final String state = list.getState();
+            if (state.equals(getEventstateId())) {
+                final Data de = getData(items, "events");
+                final IntegerArrayData iad = (IntegerArrayData) de;
+                this.filter.setEvents(iad.getValues());
+            }
+        }
+
+        return this.filter;
+    }
+
+    protected Data getData(final List<Data> data, final String name) {
+        for (final Data d : data) {
+            if (name.equals(d.getLabel())) {
+                return d;
+            }
+        }
+        return null;
+    }
+}