--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/fixings/DeltaWtExporter.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,291 @@
+package org.dive4elements.river.exports.fixings;
+
+import au.com.bytecode.opencsv.CSVWriter;
+
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.artifacts.CallMeta;
+
+import org.dive4elements.river.artifacts.model.CalculationResult;
+
+import org.dive4elements.river.artifacts.model.fixings.AnalysisPeriod;
+import org.dive4elements.river.artifacts.model.fixings.FixAnalysisResult;
+import org.dive4elements.river.artifacts.model.fixings.QWD;
+
+import org.dive4elements.river.artifacts.resources.Resources;
+
+import org.dive4elements.river.exports.AbstractExporter;
+
+import org.dive4elements.river.utils.Formatter;
+import org.dive4elements.river.utils.KMIndex;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import java.text.DateFormat;
+import java.text.MessageFormat;
+import java.text.NumberFormat;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.TreeMap;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Document;
+
+/** Exports fixation analysis deltaw(t) computation results to csv. */
+public class DeltaWtExporter
+extends      AbstractExporter
+{
+    /** Private logger. */
+    private static Logger log = Logger.getLogger(DeltaWtExporter.class);
+
+    public static final String CSV_KM_HEADER =
+        "export.fixings.deltawt.csv.header.km";
+
+    public static final String CSV_DELTA_W_HEADER =
+        "export.fixings.deltawt.csv.header.deltaw";
+
+    public static final String CSV_Q_HEADER =
+        "export.fixings.deltawt.csv.header.q";
+
+    public static final String CSV_W_HEADER =
+        "export.fixings.deltawt.csv.header.w";
+
+    public static final String CSV_TRANGE_HEADER =
+        "export.fixings.deltawt.csv.header.time.range";
+
+    public static final String CSV_T_HEADER =
+        "export.fixings.deltawt.csv.header.t";
+
+    public static final String CSV_T_FORMAT =
+        "export.fixings.deltawt.csv.t.format";
+
+    public static final String DEFAULT_CSV_KM_HEADER = "km";
+
+    public static final String DEFAULT_CSV_DELTA_W_HEADER = "\u0394 W [cm]";
+
+    public static final String DEFAULT_CSV_W_HEADER = "Wasserstand [m]";
+
+    public static final String DEFAULT_CSV_Q_HEADER = "Abfluss [m\u00b3/s]";
+
+    public static final String DEFAULT_CSV_T_HEADER = "Datum";
+
+    public static final String DEFAULT_CSV_TRANGE_DESC_HEADER =
+        "Status";
+
+    public static final String CSV_REFERENCE =
+        "export.fixings.deltawt.csv.reference";
+
+    public static final String CSV_ANALYSIS =
+        "export.fixings.deltawt.csv.analysis";
+
+    public static final String DEFAULT_CSV_REFERENCE =
+        "B";
+
+    public static final String DEFAULT_CSV_ANALYSIS =
+        "A{0,number,integer}";
+
+    public static final String DEFAULT_CSV_T_FORMAT =
+        "dd.MM.yyyy";
+
+    protected List<KMIndex<AnalysisPeriod []>> analysisPeriods;
+
+    protected List<KMIndex<QWD[]>> referenceEvents;
+
+    @Override
+    public void init(Document request, OutputStream out, CallContext context) {
+        log.debug("DeltaWtExporter.init");
+        super.init(request, out, context);
+        analysisPeriods = new ArrayList<KMIndex<AnalysisPeriod []>>();
+        referenceEvents = new ArrayList<KMIndex<QWD[]>>();
+    }
+
+    @Override
+    protected void addData(Object d) {
+        log.debug("DeltaWtExporter.addData");
+        if (!(d instanceof CalculationResult)) {
+            log.warn("Invalid data type");
+            return;
+        }
+
+        Object data = ((CalculationResult)d).getData();
+        if (!(data instanceof FixAnalysisResult)) {
+            log.warn("Invalid data stored in result.");
+        }
+        FixAnalysisResult result = (FixAnalysisResult)data;
+        analysisPeriods.add(result.getAnalysisPeriods());
+        referenceEvents.add(result.getReferenced());
+    }
+
+    @Override
+    protected void writeCSVData(CSVWriter writer) throws IOException {
+
+        boolean debug = log.isDebugEnabled();
+
+        writeCSVHeader(writer);
+
+        NumberFormat kmF = getKMFormatter();
+        NumberFormat dwF = getDeltaWFormatter();
+        NumberFormat qF  = getQFormatter();
+        NumberFormat wF  = getWFormatter();
+
+        DateFormat dF = getDateFormatter();
+
+        TreeMap<Double, ArrayList<String []>> sorted =
+            new TreeMap<Double, ArrayList<String []>>();
+
+        String referenceS = getReference();
+
+        for (KMIndex<QWD[]> reference: referenceEvents) {
+
+            for (KMIndex.Entry<QWD[]> kmEntry: reference) {
+
+                Double km = kmEntry.getKm();
+
+                ArrayList<String []> list = sorted.get(km);
+
+                if (list == null) {
+                    list = new ArrayList<String []>();
+                    sorted.put(km, list);
+                }
+
+                String kmS = kmF.format(kmEntry.getKm());
+                for (QWD qwd: kmEntry.getValue()) {
+                    String deltaWS = dwF.format(qwd.getDeltaW());
+                    String qS      = qF.format(qwd.getQ());
+                    String wS      = wF.format(qwd.getW());
+                    String dateS   = dF.format(qwd.getDate());
+
+                    list.add(new String[] {
+                        kmS,
+                        dateS,
+                        qS,
+                        wS,
+                        referenceS,
+                        deltaWS
+                        });
+                }
+            }
+        }
+
+        if (debug) {
+            log.debug("AnalysisPeriods: " + analysisPeriods.size());
+        }
+
+        String analysisTemplate = getAnalysisTemplate();
+
+        for (KMIndex<AnalysisPeriod []> periods: analysisPeriods) {
+
+            for (KMIndex.Entry<AnalysisPeriod []> kmEntry: periods) {
+
+                Double km = kmEntry.getKm();
+
+                ArrayList<String []> list = sorted.get(km);
+
+                if (list == null) {
+                    list = new ArrayList<String []>();
+                    sorted.put(km, list);
+                }
+
+                String kmS = kmF.format(kmEntry.getKm());
+                int analysisCount = 1;
+
+                for (AnalysisPeriod period: kmEntry.getValue()) {
+                    // Typically resulting in A1,A2...
+                    String analyisS = MessageFormat.format(analysisTemplate,
+                        analysisCount);
+                    QWD [] qwds = period.getQWDs();
+
+                    if (qwds != null) {
+                        for (QWD qwd: qwds) {
+                            String deltaWS = dwF.format(qwd.getDeltaW());
+                            String qS      = qF.format(qwd.getQ());
+                            String wS      = wF.format(qwd.getW());
+                            String dateS   = dF.format(qwd.getDate());
+
+                            list.add(new String[] {
+                                kmS,
+                                dateS,
+                                qS,
+                                wS,
+                                analyisS,
+                                deltaWS });
+                        }
+                    }
+                    ++analysisCount;
+                }
+            }
+        }
+
+        for (ArrayList<String []> list: sorted.values()) {
+            for (String [] row: list) {
+                writer.writeNext(row);
+            }
+        }
+
+        writer.flush();
+    }
+
+    /** Template to create "State" strings like A1,A2... */
+    protected String getAnalysisTemplate() {
+        return Resources.getMsg(
+            context.getMeta(),
+            CSV_ANALYSIS, DEFAULT_CSV_ANALYSIS);
+    }
+
+    protected String getReference() {
+        return Resources.getMsg(
+            context.getMeta(),
+            CSV_REFERENCE, DEFAULT_CSV_REFERENCE);
+    }
+
+    protected NumberFormat getKMFormatter() {
+        return Formatter.getFixDeltaWKM(context);
+    }
+
+    protected NumberFormat getDeltaWFormatter() {
+        return Formatter.getFixDeltaWDeltaW(context);
+    }
+
+    protected NumberFormat getQFormatter() {
+        return Formatter.getFixDeltaWQ(context);
+    }
+
+    protected NumberFormat getWFormatter() {
+        return Formatter.getFixDeltaWW(context);
+    }
+
+    protected DateFormat getDateFormatter() {
+        CallMeta meta = context.getMeta();
+        return Formatter.getDateFormatter(
+            meta,
+            Resources.getMsg(
+                meta,
+                CSV_T_FORMAT,
+                DEFAULT_CSV_T_FORMAT));
+    }
+
+    protected void writeCSVHeader(CSVWriter writer) {
+        log.debug("DeltaWtExporter.writeCSVHeader");
+
+        /* issue825
+        km; Ereignis, Abfluss, GEMESSENER Wasserstand; Status (RECHTSBÜNDIG), del W
+        */
+
+        writer.writeNext(new String[] {
+            msg(CSV_KM_HEADER,      DEFAULT_CSV_KM_HEADER),
+            msg(CSV_T_HEADER,       DEFAULT_CSV_T_HEADER),
+            msg(CSV_Q_HEADER,       DEFAULT_CSV_Q_HEADER),
+            msg(CSV_W_HEADER,       DEFAULT_CSV_W_HEADER),
+            msg(CSV_TRANGE_HEADER,  DEFAULT_CSV_TRANGE_DESC_HEADER),
+            msg(CSV_DELTA_W_HEADER, DEFAULT_CSV_DELTA_W_HEADER)
+        });
+    }
+
+    @Override
+    protected void writePDF(OutputStream out) {
+        // TODO: Implement me!
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :