--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/access/FixationArtifactAccess.java	Thu Jun 28 08:16:20 2012 +0000
@@ -0,0 +1,388 @@
+package de.intevation.flys.artifacts.access;
+
+import de.intevation.artifactdatabase.data.StateData;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
+
+import de.intevation.flys.artifacts.model.fixings.DateRange;
+
+import de.intevation.flys.utils.FLYSUtils;
+
+import gnu.trove.TDoubleArrayList;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Date;
+
+import org.apache.log4j.Logger;
+
+public class FixationArtifactAccess
+{
+    private static Logger log = Logger.getLogger(FixationArtifactAccess.class);
+
+    protected FLYSArtifact artifact;
+
+    protected String river;
+
+    protected String calculationMode;
+
+    protected Double from;
+    protected Double to;
+    protected Double step;
+
+    protected Long start;
+    protected Long end;
+
+    protected Integer qSectorStart;
+    protected Integer qSectorEnd;
+
+    protected DateRange    referencePeriod;
+    protected DateRange [] analysisPeriods;
+
+    protected int [] events;
+
+    protected Boolean preprocessing;
+
+    protected String  function;
+
+    protected double [] qs;
+
+    public FixationArtifactAccess() {
+    }
+
+    public FixationArtifactAccess(FLYSArtifact artifact) {
+        this.artifact = artifact;
+    }
+
+    public FLYSArtifact getArtifact() {
+        return artifact;
+    }
+
+    public String getRiver() {
+        if (river == null) {
+            StateData sd = artifact.getData("river");
+            if (sd == null) {
+                log.warn("missing 'river' value");
+                return null;
+            }
+            river = (String)sd.getValue();
+        }
+        if (log.isDebugEnabled()) {
+            log.debug("river: '" + river + "'");
+        }
+        return river;
+    }
+
+    public String getCalculationMode() {
+        if (calculationMode == null) {
+            StateData sd = artifact.getData("calculation.mode");
+            if (sd == null) {
+                log.warn("missing 'calculation.mode' value");
+                return null;
+            }
+            calculationMode = (String)sd.getValue();
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("calculationMode: '" + calculationMode + "'");
+        }
+        return calculationMode;
+    }
+
+    public Double getFrom() {
+
+        if (from == null) {
+            StateData sd = artifact.getData("from");
+            if (sd == null) {
+                log.warn("missing 'from' value");
+                return null;
+            }
+            try {
+                from = Double.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("from '" + sd.getValue() + "' is not numeric.");
+            }
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("from: '" + from + "'");
+        }
+
+        return from;
+    }
+
+    public Double getTo() {
+
+        if (to == null) {
+            StateData sd = artifact.getData("to");
+            if (sd == null) {
+                log.warn("missing 'to' value");
+                return null;
+            }
+            try {
+                to = Double.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("to '" + sd.getValue() + "' is not numeric.");
+            }
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("to: '" + to + "'");
+        }
+
+        return to;
+    }
+
+    public Double getStep() {
+
+        if (step == null) {
+            StateData sd = artifact.getData("step");
+            if (sd == null) {
+                log.warn("missing 'step' value");
+                return null;
+            }
+            try {
+                step = Double.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("step '" + sd.getValue() + "' is not numeric.");
+            }
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("step: '" + step + "'");
+        }
+
+        return step;
+    }
+
+    public Long getStart() {
+
+        if (start == null) {
+            StateData sd = artifact.getData("start");
+            if (sd == null) {
+                log.warn("missing 'start' value");
+                return null;
+            }
+            try {
+                start = Long.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("start '" + sd.getValue() + "' is not an integer.");
+            }
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("start: '" + start + "'");
+        }
+
+        return start;
+    }
+
+    public Long getEnd() {
+
+        if (end == null) {
+            StateData sd = artifact.getData("end");
+            if (sd == null) {
+                log.warn("missing 'end' value");
+                return null;
+            }
+            try {
+                end = Long.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("end '" + sd.getValue() + "' is not an integer.");
+            }
+        }
+
+        if (log.isDebugEnabled()) {
+            log.debug("end: '" + end + "'");
+        }
+
+        return end;
+    }
+
+    public Integer getQSectorStart() {
+
+        if (qSectorStart == null) {
+            StateData sd = artifact.getData("q1");
+            if (sd == null) {
+                log.warn("missing 'q1' value");
+                return null;
+            }
+            try {
+                qSectorStart = Integer.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("q1 '" + sd.getValue() + "' is not an integer.");
+            }
+        }
+
+        return qSectorStart;
+    }
+
+    public Integer getQSectorEnd() {
+
+        if (qSectorEnd == null) {
+            StateData sd = artifact.getData("q2");
+            if (sd == null) {
+                log.warn("missing 'q2' value");
+                return null;
+            }
+            try {
+                qSectorEnd = Integer.valueOf((String)sd.getValue());
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("q2 '" + sd.getValue() + "' is not an integer.");
+            }
+        }
+
+        return qSectorEnd;
+    }
+
+    public int [] getEvents() {
+        if (events == null) {
+            StateData sd = artifact.getData("events");
+            if (sd == null) {
+                log.warn("missing 'events' value");
+                return null;
+            }
+            events = FLYSUtils.intArrayFromString((String)sd.getValue());
+        }
+        return events;
+    }
+
+    public DateRange getReferencePeriod() {
+        if (referencePeriod == null) {
+            StateData refStart = artifact.getData("ref_start");
+            StateData refEnd   = artifact.getData("ref_end");
+
+            if (refStart == null || refEnd == null) {
+                log.warn("missing 'ref_start' or 'ref_start' value");
+                return null;
+            }
+
+            try {
+                long rs = Long.parseLong((String)refStart.getValue());
+                long re = Long.parseLong((String)refEnd  .getValue());
+
+                if (rs > re) { long t = rs; rs = re; re = t; }
+
+                Date from = new Date(rs);
+                Date to   = new Date(re);
+                referencePeriod = new DateRange(from, to);
+            }
+            catch (NumberFormatException nfe) {
+                log.warn("ref_start or ref_end is not an integer.");
+            }
+        }
+
+        return referencePeriod;
+    }
+
+    public DateRange [] getAnalysisPeriods() {
+        if (analysisPeriods == null) {
+            StateData sd = artifact.getData("ana_data");
+
+            if (sd == null) {
+                log.warn("missing 'ana_data'");
+                return null;
+            }
+
+            String data = (String)sd.getValue();
+            String[] pairs = data.split("\\s*;\\s*");
+
+            ArrayList<DateRange> aPs = new ArrayList<DateRange>(pairs.length);
+
+            for (int i = 0; i < pairs.length; i++) {
+                String[] fromTo = pairs[i].split("\\s*,\\s*");
+                if (fromTo.length >= 2) {
+                    try {
+                        Date from = new Date(Long.parseLong(fromTo[0]));
+                        Date to   = new Date(Long.parseLong(fromTo[1]));
+                        DateRange aP = new DateRange(from, to);
+                        if (!aPs.contains(aP)) {
+                            aPs.add(aP);
+                        }
+                    }
+                    catch (NumberFormatException nfe) {
+                        log.warn("ana_data contains no long values.", nfe);
+                    }
+                }
+            }
+
+            analysisPeriods = aPs.toArray(new DateRange[aPs.size()]);
+        }
+
+        if (log.isDebugEnabled()) {
+            for (int i = 0; i < analysisPeriods.length; ++i) {
+                DateRange ap = analysisPeriods[i];
+                log.debug("analysis period " +
+                    ap.getFrom() + " - " + ap.getTo());
+            }
+        }
+
+        return analysisPeriods;
+    }
+
+    public Boolean getPreprocessing() {
+        if (preprocessing == null) {
+            StateData sd = artifact.getData("preprocessing");
+            if (sd == null) {
+                log.warn("missing 'preprocessing'");
+                return null;
+            }
+            preprocessing = Boolean.valueOf((String)sd.getValue());
+        }
+        return preprocessing;
+    }
+
+    public String getFunction() {
+        if (function == null) {
+            StateData sd = artifact.getData("function");
+            if (sd == null) {
+                log.warn("missing 'function'");
+                return null;
+            }
+            function = (String)sd.getValue();
+        }
+        if (log.isDebugEnabled()) {
+            log.debug("function: " + function);
+        }
+        return function;
+    }
+
+    public double [] getQs() {
+        if (qs == null) {
+            StateData sd = artifact.getData("qs");
+            if (sd == null) {
+                log.warn("missing 'qs'");
+                return null;
+            }
+            String [] parts = ((String)sd.getValue()).split("[\\s;]");
+            TDoubleArrayList list = new TDoubleArrayList(parts.length);
+            for (String part: parts) {
+                try {
+                    list.add(Double.parseDouble(part));
+                }
+                catch (NumberFormatException nfe) {
+                    log.warn("'" + part + "' is not numeric.");
+                }
+            }
+            qs = list.toNativeArray();
+        }
+        if (log.isDebugEnabled()) {
+            log.debug("qs: " + Arrays.toString(qs));
+        }
+        return qs;
+    }
+
+
+    public double getCurrentKm() {
+        //TODO: get the current km.
+        return getFrom().doubleValue();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :