# HG changeset patch
# User Tim Englich <tim.englich@intevation.de>
# Date 1256831927 0
# Node ID 3dcd2b0b456e4cf99a0ec2d34c12dc6c6887f658
# Parent  9db263ee267893b992fd957184ad4775dae29636
Added configurable TimeGap Support to the TimeSeries-Chart-Generation. issu45

gnv-artifacts/trunk@275 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/ChangeLog
--- a/gnv-artifacts/ChangeLog	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/ChangeLog	Thu Oct 29 15:58:47 2009 +0000
@@ -1,3 +1,22 @@
+2009-10-29  Tim Englich  <tim.englich@intevation.de>
+
+	* doc/conf/products/timeseries/timegap_definition.xml,
+	  doc/conf/products/timeseries/conf_timeseriespoint.xml:
+	  Added the Configuration for TimeGaps to the TimeSeries-Configurations. issue45
+	  
+	* doc/conf/queries.properties: 
+	  Added TimeGapIp to the Queries for the Resultdata of TimeSeriesArtifacts. issue45
+	  
+	* src/main/java/de/intevation/gnv/timeseries/gap/DefaultTimeGap.java,
+	  src/main/java/de/intevation/gnv/timeseries/gap/TimeGap.java, 
+	  src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java (setup): 
+	  src/main/java/de/intevation/gnv/chart/ChartFactory.java (calculateMaxGap): 
+	  Added configurable TimeGap Support to the TimeSeries-Chart-Generation. issue45
+	
+	* src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java, 
+	  src/main/java/de/intevation/gnv/utils/ArtifactXMLUtilities.java (readConfiguration): 
+	  Moved Method from GNVArtifactBase to make it assesible for more Objects. issue45
+
 2009-10-28  Tim Englich  <tim.englich@intevation.de>
 
 	* src/main/java/de/intevation/gnv/profile/horizontalcrosssection/HorizontalCrossSectionMeshArtifact.java (HorizontalCrossSectionMeshArtifact):,
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/doc/conf/products/timeseries/conf_timeseriespoint.xml
--- a/gnv-artifacts/doc/conf/products/timeseries/conf_timeseriespoint.xml	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/doc/conf/products/timeseries/conf_timeseriespoint.xml	Thu Oct 29 15:58:47 2009 +0000
@@ -74,6 +74,7 @@
                 <outputsMode name="csv" description="CSV-Export der Daten" mime-type="text/plain"/>
                 <outputsMode name="statistics" description="Statistik zu den Daten" mime-type="text/xml"/>
             </outputsModes>
+            <time-gap-definition xlink:href="${artifacts.config.dir}/products/timeseries/timegap_definition.xml" />
         </transition>
         
     </transitions>
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/doc/conf/products/timeseries/timegap_definition.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/doc/conf/products/timeseries/timegap_definition.xml	Thu Oct 29 15:58:47 2009 +0000
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<time-gaps>
+    <time-gap key = "1" gap="1" unit = "m"/>
+    <time-gap key = "2" gap="2" unit = "m"/>
+    <time-gap key = "3" gap="3" unit = "m"/>
+    <time-gap key = "4" gap="4" unit = "m"/>
+    <time-gap key = "5" gap="5" unit = "m"/>
+    <time-gap key = "6" gap="10" unit = "m"/>
+    <time-gap key = "7" gap="15" unit = "m"/>
+    <time-gap key = "8" gap="20" unit = "m"/>
+    <time-gap key = "9" gap="30" unit = "m"/>
+    <time-gap key = "10" gap="1" unit = "h"/>
+    <time-gap key = "11" gap="2" unit = "h"/>
+    <time-gap key = "12" gap="3" unit = "h"/>
+    <time-gap key = "13" gap="4" unit = "h"/>
+    <time-gap key = "14" gap="6" unit = "h"/>
+    <time-gap key = "15" gap="8" unit = "h"/>
+    <time-gap key = "16" gap="12" unit = "h"/>
+    <time-gap key = "17" gap="1" unit = "D"/>
+    <time-gap key = "18" gap="1" unit = "W"/>
+    <time-gap key = "19" gap="1" unit = "M"/>
+    <time-gap key = "20" gap="1" unit = "Y"/>
+</time-gaps>
\ No newline at end of file
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/doc/conf/queries.properties
--- a/gnv-artifacts/doc/conf/queries.properties	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/doc/conf/queries.properties	Thu Oct 29 15:58:47 2009 +0000
@@ -54,7 +54,8 @@
         tv.DATAVALUE YORDINATE, \
         t.PARAMETERID GROUP1, \
         tv.MEASUREMENTID GROUP2, \
-        tv.TIMESERIESID GROUP3 \
+        tv.TIMESERIESID GROUP3, \
+        t.TIMEINTERVAL GAPID \
     FROM MEDIAN.TIMESERIESVALUE tv, \
          MEDIAN.TIMESERIES t \
     WHERE tv.TIMESERIESID = t.TIMESERIESID AND \
@@ -125,7 +126,8 @@
         msv.DATAVALUE YORDINATE, \
         msv.PARAMETERID GROUP1, \
         msv.FEATUREID GROUP2, \
-        mp.FEATUREID GROUP3 \
+        mp.FEATUREID GROUP3, \
+        -1 GAPID \
     from MEDIAN.MESHSCALARVALUE msv , \
          MEDIAN.MESHPOINT mp, \
          MEDIAN.MESH m \
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java
--- a/gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java	Thu Oct 29 15:58:47 2009 +0000
@@ -172,29 +172,11 @@
         String link = configurationNode.getAttribute("xlink:href");
         if (link != null ){
             String absolutFileName = Config.replaceConfigDir(link);
-            configurationNode = (Element)this.readConfiguration(absolutFileName);
+            configurationNode = (Element)new ArtifactXMLUtilities().readConfiguration(absolutFileName);
         }
         
         return configurationNode;
     }
-    
-    
-    private Node readConfiguration(String fileName){
-        try {
-            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-            factory.setValidating(false); 
-            return factory.newDocumentBuilder().parse(fileName).getChildNodes().item(0);
-        } catch (SAXException e) {
-            log.error(e,e);
-            return null;
-        } catch (IOException e) {
-            log.error(e,e);
-            return null;
-        } catch (ParserConfigurationException e) {
-            log.error(e,e);
-            return null;
-        }
-    }
 
     /**
      * @see de.intevation.artifactdatabase.DefaultArtifact#feed(org.w3c.dom.Document,
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java
--- a/gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java	Thu Oct 29 15:58:47 2009 +0000
@@ -44,6 +44,7 @@
 
 import de.intevation.gnv.chart.exception.TechnicalChartException;
 import de.intevation.gnv.geobackend.base.Result;
+import de.intevation.gnv.timeseries.gap.TimeGap;
 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
 
 /**
@@ -72,7 +73,8 @@
                                                          Collection<KeyValueDescibeData> parameters,
                                                          Collection<KeyValueDescibeData> measurements,
                                                          OutputStream outputStream,
-                                                         Collection<Result> resultSet)
+                                                         Collection<Result> resultSet,
+                                                         Collection<TimeGap> timeGaps)
                                                                                       throws IOException,
                                                                                       TechnicalChartException {
         if (sDebug)
@@ -90,7 +92,7 @@
         if (sDebug)
             sLogger.debug("  vor createDataset()");
         XYDataset lSet = this.createDataset(resultSet, lUpperLevel,
-                lLowerLevel, parameters, measurements);
+                lLowerLevel, parameters, measurements,timeGaps);
         if (sDebug)
             sLogger.debug("  nach createDataset()");
         final Color[] color = { Color.black, Color.red, Color.green, Color.blue };
@@ -219,8 +221,7 @@
     private TimeSeries createTimeSeries(String pTimeSeriesName,
                                         Collection<Result> resultSet,
                                         int lUpperCut, int lLowerCut,
-                                        int pStart, int pEnd, Date dStart,
-                                        Date dEnd)
+                                        int pStart, int pEnd, long maxGap)
                                                   throws TechnicalChartException {
         if (sDebug)
             sLogger.debug("createTimeSeries()");
@@ -231,9 +232,9 @@
         TimeSeries lTimeseries = new TimeSeries(pTimeSeriesName,
                 org.jfree.data.time.Minute.class);
         try {
-            long maxGap = 0, lDateDiff = 0;
+            long lDateDiff = 0;
             double lValue = 0;
-
+            
             int i = 0;
             Iterator<Result> resultIterator = resultSet.iterator();
             while (resultIterator.hasNext()) {
@@ -241,28 +242,6 @@
                 if (i >= pStart + 1 && i <= pEnd) {
                     if (i == pStart + 1) {
                         lRow0 = lRow;//
-
-                        // Handle Gaps > 0.5% timeserieslength, i.e do not draw
-                        // here
-                        // +TODO mache maxGap variabel über diagram options
-                        maxGap = (dEnd.getTime() - dStart.getTime()) / 200; // 0,5
-                                                                            // prozent
-                                                                            // der
-                                                                            // Länge
-                        if (maxGap < 3600000)
-                            maxGap = 3600010;
-                        if (maxGap < (dEnd.getTime() - dStart.getTime())
-                                     / (pEnd - pStart))
-                            maxGap = (dEnd.getTime() - dStart.getTime())
-                                     / (pEnd - pStart) + 1000;
-
-                        if (sDebug)
-                            sLogger.debug("MaxGap : " + maxGap / 1000
-                                          + " Länge : "
-                                          + (dEnd.getTime() - dStart.getTime())
-                                          / 1000 + "Intervall "
-                                          + (dEnd.getTime() - dStart.getTime())
-                                          / (pEnd - pStart) / 1000);
                         lDate = lRow0.getDate("XORDINATE");
                         lDate0 = lDate;
                         lValue = lRow0.getDouble("YORDINATE");
@@ -316,7 +295,8 @@
     private XYDataset createDataset(Collection<Result> resultSet,
                                     int lUpperCut, int lLowerCut,
                                     Collection<KeyValueDescibeData> parameters,
-                                    Collection<KeyValueDescibeData> measurements)
+                                    Collection<KeyValueDescibeData> measurements,
+                                    Collection<TimeGap> timeGaps)
                                                                                  throws TechnicalChartException {
 
         TimeSeriesCollection lTimeSeriesCollection = new TimeSeriesCollection();
@@ -335,6 +315,7 @@
                 break3 = row.getString("GROUP3"); // 4
                 dStart = row.getDate("XORDINATE");
                 int i = 1;
+                Integer gapID = -1;
                 while (resultIterator.hasNext()) {
                     row = resultIterator.next();
                     if (!break1.equals(row.getString("GROUP1"))
@@ -345,10 +326,14 @@
                                                  + " "
                                                  + findValueTitle(measurements,
                                                          break2) + "m";
-
+                        long maxGap = this.calculateMaxGap(dStart, dEnd,mStart,
+                                                           mEnd, gapID.intValue(),
+                                                           timeGaps);
+                        
+                        
                         lTimeSeriesCollection.addSeries(createTimeSeries(
                                 mTimeSeriesName, resultSet, lUpperCut,
-                                lLowerCut, mStart, mEnd, dStart, dEnd));
+                                lLowerCut, mStart, mEnd,maxGap));
                         mStart = i;
                         dStart = row.getDate("XORDINATE");
                         break1 = row.getString("GROUP1");
@@ -358,6 +343,7 @@
                     }
                     mEnd = i;
                     dEnd = row.getDate("XORDINATE");
+                    gapID = row.getInteger("GAPID");
                     i = i + 1;
                 }
 
@@ -365,13 +351,17 @@
                                          + " "
                                          + findValueTitle(measurements, break2)
                                          + "m";
+                long maxGap = this.calculateMaxGap(dStart, dEnd,mStart, 
+                                                   mEnd,gapID.intValue(),
+                                                   timeGaps);
                 lTimeSeriesCollection.addSeries(createTimeSeries(
                         mTimeSeriesName, resultSet, lUpperCut, lLowerCut,
-                        mStart, mEnd, dStart, dEnd));
+                        mStart, mEnd, maxGap));
             }else{
+                // Es sind keine Daten vorhanden: Es wird eine Zeitserie eingefügt.
                 lTimeSeriesCollection.addSeries(createTimeSeries(
                         "", resultSet, lUpperCut, lLowerCut,
-                        mStart, mEnd, dStart, dEnd));
+                        mStart, mEnd, 999999));
             }
         } catch (Exception e) {
             sLogger.error(e.getMessage(), e);
@@ -380,6 +370,74 @@
         return lTimeSeriesCollection;
     }
 
+    /**
+     * @param dStart
+     * @param dEnd
+     */
+    private long calculateMaxGap(Date dStart, Date dEnd, int pStart ,
+                                 int pEnd, int gapID, 
+                                 Collection<TimeGap> timeGaps) {
+        
+           // umgesetzt nach issue 45
+            // Handle Gaps > 0.5% timeserieslength, 
+            // i.e do not draw here
+            long maxGap = (dEnd.getTime() - dStart.getTime()) / 200; 
+            // 0,5 prozent der Länge
+            long timeInterval = this.getTimeGapValue(dStart, dEnd, pStart, 
+                                                     pEnd, gapID, timeGaps);
+            
+            if (maxGap < timeInterval){
+                maxGap = timeInterval + 10;
+            }
+//            if (maxGap < (dEnd.getTime() - dStart.getTime())
+//                         / (pEnd - pStart))
+//                maxGap = (dEnd.getTime() - dStart.getTime())
+//                         / (pEnd - pStart) + 1000;
+            
+            return maxGap;
+    }
+    
+    private long getTimeGapValue(Date dStart, Date dEnd, 
+                                 int pStart ,int pEnd, 
+                                 int gapID, Collection<TimeGap> timeGaps){
+        long gap = 0;
+        
+        if (gapID < 0 || gapID >= 99){
+            if (pEnd-pStart < 60)
+             gap = (3/(pEnd-pStart)) * (dEnd.getTime() - dStart.getTime());
+        }else{
+            
+            Iterator<TimeGap> it = timeGaps.iterator();
+           
+            while (it.hasNext()){
+                TimeGap tempTimeGap = it.next();
+                if (tempTimeGap.getKey() == gapID){
+                    int gapValue = tempTimeGap.getValue();
+                    String unit = tempTimeGap.getUnit();
+                    
+                    if (unit.equals(TimeGap.TIME_UNIT_MINUTE)){
+                        gap = gapValue * TimeGap.MINUTE_IN_MILLIS;
+                    }else if (unit.equals(TimeGap.TIME_UNIT_HOUR)){
+                        gap = gapValue * TimeGap.HOUR_IN_MILLIS;
+                    }else if (unit.equals(TimeGap.TIME_UNIT_DAY)){
+                        gap = gapValue * TimeGap.DAY_IN_MILLIS;
+                    }else if (unit.equals(TimeGap.TIME_UNIT_WEEK)){
+                        gap = gapValue * TimeGap.WEEK_IN_MILLIS;
+                    }else if (unit.equals(TimeGap.TIME_UNIT_MONTH)){
+                        // TODO wie soll das laufen
+                        gap = gapValue * (TimeGap.DAY_IN_MILLIS *30);
+                    }else if (unit.equals(TimeGap.TIME_UNIT_YEAR)){
+                        // TODO wie soll das laufen für schaltjahre
+                        gap = gapValue * (TimeGap.DAY_IN_MILLIS *365);
+                    }
+                    break;
+                }
+            }
+        }
+        
+        return gap;
+    }
+
     private void encodeChart(JFreeChart pChart, ChartStyle pStyle,
                              OutputStream outputStream) throws IOException {
         if (sDebug)
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/timeseries/gap/DefaultTimeGap.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/timeseries/gap/DefaultTimeGap.java	Thu Oct 29 15:58:47 2009 +0000
@@ -0,0 +1,64 @@
+/**
+ *
+ */
+package de.intevation.gnv.timeseries.gap;
+/**
+ * @author Tim Englich <tim.englich@intevation.de>
+ *
+ */
+public class DefaultTimeGap implements TimeGap{
+
+    /**
+     * The UNIT of the TimeGap
+     * See the Constants in de.intevation.gnv.timeseries.gap.TimeGap
+     */
+    private String unit;
+    
+    /**
+     * The Key of the TimeGap which must be äquivalent to the
+     * Key used in the DWH
+     */
+    private int key;
+    
+    /**
+     * The Value of the Gap.
+     * Use the Unit and the Time Constants to Calculate the
+     * value in Milliseconds
+     */
+    private int value;
+    
+    /**
+     * Constructor
+     * @param unit
+     * @param key
+     * @param value
+     */
+    public DefaultTimeGap(String unit, int key, int value) {
+        super();
+        this.unit = unit;
+        this.key = key;
+        this.value = value;
+    }
+
+    /**
+     * @see de.intevation.gnv.timeseries.gap.TimeGap#getUnit()
+     */
+    public String getUnit() {
+        return this.unit;
+    }
+
+    /**
+     * @see de.intevation.gnv.timeseries.gap.TimeGap#getKey()
+     */
+    public int getKey() {
+        return this.key;
+    }
+
+    /**
+     * @see de.intevation.gnv.timeseries.gap.TimeGap#getValue()
+     */
+    public int getValue() {
+        return this.value;
+    }
+
+}
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/timeseries/gap/TimeGap.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/timeseries/gap/TimeGap.java	Thu Oct 29 15:58:47 2009 +0000
@@ -0,0 +1,35 @@
+package de.intevation.gnv.timeseries.gap;
+public interface TimeGap {
+    
+    public final static String TIME_UNIT_MINUTE = "m";
+    public final static String TIME_UNIT_HOUR = "h";
+    public final static String TIME_UNIT_DAY = "D";
+    public final static String TIME_UNIT_WEEK = "W";
+    public final static String TIME_UNIT_MONTH = "M";
+    public final static String TIME_UNIT_YEAR = "Y";
+    
+    public final static long  MINUTE_IN_MILLIS = 60 * 1000;
+    public final static long  HOUR_IN_MILLIS = 60 * MINUTE_IN_MILLIS;
+    public final static long  DAY_IN_MILLIS = 24 * HOUR_IN_MILLIS;
+    public final static long  WEEK_IN_MILLIS = 7 * DAY_IN_MILLIS;
+    
+    
+    /**
+     * Returns the Lookup-Key for the TimeGap
+     * @return
+     */
+    int getKey();
+    
+    /**
+     * Returns the Value of the TimeValue in the Unit which is also given.
+     * @return
+     */
+    int getValue();
+    
+    /**
+     * Returns the Unit of the Timegap (e.g. Minutes, Hours, Days, Weeks, Months, Years)
+     * @return
+     */
+    String getUnit();
+
+}
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java
--- a/gnv-artifacts/src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java	Thu Oct 29 15:58:47 2009 +0000
@@ -9,9 +9,13 @@
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
+import java.util.List;
 
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.Transformer;
 import javax.xml.transform.TransformerConfigurationException;
 import javax.xml.transform.TransformerException;
@@ -24,6 +28,8 @@
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
 
 import au.com.bytecode.opencsv.CSVWriter;
 import de.intevation.artifactdatabase.Config;
@@ -40,6 +46,8 @@
 import de.intevation.gnv.statistics.Statistics;
 import de.intevation.gnv.statistics.TimeseriesStatistics;
 import de.intevation.gnv.statistics.exception.StatisticsException;
+import de.intevation.gnv.timeseries.gap.DefaultTimeGap;
+import de.intevation.gnv.timeseries.gap.TimeGap;
 import de.intevation.gnv.transition.InputData;
 import de.intevation.gnv.transition.OutputTransitionBase;
 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
@@ -63,6 +71,9 @@
      */
     private static Logger log = Logger
             .getLogger(TimeSeriesOutputTransition.class);
+    
+    
+    private static List<TimeGap> timeGapDefinitions = null;
 
     protected String domainLable = "Zeit [UTC]";
 
@@ -270,7 +281,7 @@
         ChartFactory chartFactory = new ChartFactory();
         chartFactory.createSimpleTimeSeriesChart(chartLables, chartStyle,
                 parameters, measurements, outputStream, this
-                        .getChartResult(uuid));
+                        .getChartResult(uuid),timeGapDefinitions);
     }
 
     protected ChartStyle creatStyle(int witdh, int height) {
@@ -329,8 +340,40 @@
         if (dateNameValue != null) {
             this.dateValueName = dateNameValue;
         }
+        if (timeGapDefinitions == null){
+            Element gapDefinition =  (Element)Config.getNodeXPath(configuration,
+                                                                 "time-gap-definition");
+            synchronized (this.getClass()) {
+                if (gapDefinition != null){
+                    String link = gapDefinition.getAttribute("xlink:href");
+                    if (link != null ){
+                        String absolutFileName = Config.replaceConfigDir(link);
+                        gapDefinition = (Element)new ArtifactXMLUtilities().
+                                                     readConfiguration(absolutFileName);
+                    }
+                    
+                    NodeList gapDefinitions = Config.getNodeSetXPath(gapDefinition, 
+                                                                    "/time-gaps/time-gap");
+                    if (gapDefinition != null){
+                        timeGapDefinitions = new ArrayList<TimeGap>(gapDefinitions.
+                                                                    getLength());
+                        for (int i = 0; i < gapDefinitions.getLength(); i++){
+                            Element gapNode = (Element)gapDefinitions.item(i);
+                            String unit = gapNode.getAttribute("unit");
+                            int key = Integer.parseInt(gapNode.getAttribute("key"));
+                            int value = Integer.parseInt(gapNode.getAttribute("gap"));
+                            log.info("Add new Timegap: "+key+" "+value+" "+ unit);
+                            timeGapDefinitions.add(new DefaultTimeGap(unit, 
+                                                                      key, 
+                                                                      value));
+                        }
+                    }
+                    
+                }
+            }
+        }
     }
-
+    
     /**
      * @param collectionName
      * @return
diff -r 9db263ee2678 -r 3dcd2b0b456e gnv-artifacts/src/main/java/de/intevation/gnv/utils/ArtifactXMLUtilities.java
--- a/gnv-artifacts/src/main/java/de/intevation/gnv/utils/ArtifactXMLUtilities.java	Wed Oct 28 16:26:03 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/utils/ArtifactXMLUtilities.java	Thu Oct 29 15:58:47 2009 +0000
@@ -24,6 +24,7 @@
 import org.apache.log4j.Logger;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
+import org.w3c.dom.Node;
 import org.xml.sax.SAXException;
 
 import de.intevation.artifacts.ArtifactNamespaceContext;
@@ -141,5 +142,22 @@
         reportNode.appendChild(successNode);
         return document;
     }
+    
+    public Node readConfiguration(String fileName){
+        try {
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            factory.setValidating(false); 
+            return factory.newDocumentBuilder().parse(fileName).getChildNodes().item(0);
+        } catch (SAXException e) {
+            log.error(e,e);
+            return null;
+        } catch (IOException e) {
+            log.error(e,e);
+            return null;
+        } catch (ParserConfigurationException e) {
+            log.error(e,e);
+            return null;
+        }
+    }
 
 }