--- a/flys-aft/src/main/java/de/intevation/aft/DIPSGauge.java	Fri Dec 16 17:34:11 2011 +0000
+++ b/flys-aft/src/main/java/de/intevation/aft/DIPSGauge.java	Fri Dec 16 18:51:26 2011 +0000
@@ -1,16 +1,95 @@
 package de.intevation.aft;
 
 import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Date;
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.Comparator;
+
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+
+import org.apache.log4j.Logger;
 
 public class DIPSGauge
 {
+    private static Logger log = Logger.getLogger(DIPSGauge.class);
+
+    public static final Pattern DATE_PATTERN = Pattern.compile(
+        "(\\d{4})-(\\d{2})-(\\d{2})\\s+(\\d{2}):(\\d{2}):(\\d{2})");
+
+    public static final Comparator<Datum> DATE_CMP = new Comparator<Datum>() {
+        public int compare(Datum a, Datum b) {
+            return a.date.compareTo(b.date);
+        }
+    };
+
+    public static class Datum {
+
+        protected double value;
+        protected Date   date;
+
+        public Datum() {
+        }
+
+        public Datum(Element element) {
+            value = Double.parseDouble(element.getAttribute("WERT"));
+            String dateString = element.getAttribute("GUELTIGAB");
+            if (dateString.length() == 0) {
+                throw 
+                    new IllegalArgumentException("missing GUELTIGAB attribute");
+            }
+            Matcher m = DATE_PATTERN.matcher(dateString);
+            if (!m.matches()) {
+                throw
+                    new IllegalArgumentException("GUELTIGAB does not match");
+            }
+
+            int year  = Integer.parseInt(m.group(1));
+            int month = Integer.parseInt(m.group(2));
+            int day   = Integer.parseInt(m.group(3));
+            int hours = Integer.parseInt(m.group(4));
+            int mins  = Integer.parseInt(m.group(5));
+            int secs  = Integer.parseInt(m.group(6));
+
+            Calendar cal = Calendar.getInstance();
+            cal.set(year, month, day, hours, mins, secs);
+
+            date = cal.getTime();
+        }
+    } // class datum
+
     protected double aeo;
 
+    protected List<Datum> datums;
+
     public DIPSGauge() {
     }
 
     public DIPSGauge(Element element) {
-        aeo = Double.parseDouble(element.getAttribute("EINZUGSGEBIET_AEO"));
+        String aeoString = element.getAttribute("EINZUGSGEBIET_AEO");
+        if (aeoString.length() == 0) {
+            log.warn("WARN: setting AEO to zero");
+            aeoString = "0";
+        }
+        aeo = Double.parseDouble(aeoString);
+
+        datums = new ArrayList<Datum>();
+        NodeList nodes = element.getElementsByTagName("PNP");
+        for (int i = 0, N = nodes.getLength(); i < N; ++i) {
+            Element e = (Element)nodes.item(i);
+            Datum datum = new Datum(e);
+            datums.add(datum);
+        }
+        Collections.sort(datums, DATE_CMP);
+    }
+
+    public List<Datum> getDatums() {
+        return datums;
     }
 }
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