Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/exports/HistoricalDischargeCurveExporter.java @ 2258:ea173e4c07c7
Added a CSV export for historical discharge curves.
flys-artifacts/trunk@3913 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 06 Feb 2012 08:36:26 +0000 |
parents | |
children | 89ca1e8572e4 |
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package de.intevation.flys.exports; import java.io.OutputStream; import java.text.NumberFormat; import java.text.DateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import org.w3c.dom.Document; import org.apache.log4j.Logger; import au.com.bytecode.opencsv.CSVWriter; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.CallMeta; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.model.CalculationResult; import de.intevation.flys.artifacts.model.Timerange; import de.intevation.flys.artifacts.model.WQTimerange; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.flys.utils.FLYSUtils; import de.intevation.flys.utils.Formatter; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class HistoricalDischargeCurveExporter extends AbstractExporter { private static final Logger logger = Logger.getLogger(HistoricalDischargeCurveExporter.class); public static final String CSV_TIMERANGE_HEADER = "export.historical.discharge.csv.header.timerange"; public static final String CSV_WATERLEVEL_HEADER = "export.historical.discharge.csv.header.waterlevel"; public static final String CSV_DISCHARGE_HEADER = "export.historical.discharge.csv.header.discharge"; public static final String CSV_DIFF_HEADER = "export.historical.discharge.csv.header.diff"; public static final String CSV_GAUGENAME_HEADER = "export.historical.discharge.csv.header.gaugename"; protected List<WQTimerange[]> data; public void init(Document request, OutputStream out, CallContext cc) { super.init(request, out, cc); data = new ArrayList<WQTimerange[]>(); } @Override protected void addData(Object d) { logger.debug("Add data of class: " + d.getClass()); if (d instanceof CalculationResult) { d = ((CalculationResult) d).getData(); logger.debug("Internal data of CalculationResult: " + d.getClass()); if (d instanceof WQTimerange[]) { logger.debug("Add new data of type WQTimerange"); data.add((WQTimerange[]) d); } } } @Override protected void writeCSVData(CSVWriter writer) { logger.info("HistoricalDischargeCurveExporter.writeCSVData"); logger.debug("CSV gets " + data.size() + " WQTimerange[] objects."); writeCSVHeader(writer); for (WQTimerange[] arr: data) { for (WQTimerange wqt: arr) { wqt2CSV(writer, wqt); } } } @Override protected void writePDF(OutputStream out) { logger.warn("TODO: IMPLEMENT ME!"); } protected void writeCSVHeader(CSVWriter writer) { writer.writeNext(new String[] { msg(CSV_TIMERANGE_HEADER, CSV_TIMERANGE_HEADER), msg(CSV_WATERLEVEL_HEADER, CSV_WATERLEVEL_HEADER), msg(CSV_DISCHARGE_HEADER, CSV_DISCHARGE_HEADER), msg(CSV_DIFF_HEADER, CSV_DIFF_HEADER), msg(CSV_GAUGENAME_HEADER, CSV_GAUGENAME_HEADER) }); } protected void wqt2CSV(CSVWriter writer, WQTimerange wqt) { logger.debug("Add next WQTimerange to CSV"); DateFormat df = Formatter.getShortDateFormat(context); NumberFormat wf = Formatter.getHistoricalDischargeW(context); NumberFormat qf = Formatter.getHistoricalDischargeQ(context); double[] wq = new double[2]; String gaugeName = getReferenceGaugename(); for (int i = 0, n = wqt.size(); i < n; i++) { Timerange tr = wqt.getTimerange(i); Date start = new Date(tr.getStart()); Date end = new Date(tr.getEnd()); wqt.get(i, wq); writer.writeNext(new String[] { df.format(start) + " - " + df.format(end), wf.format(wq[0]), qf.format(wq[1]), "TODO: Difference to reference curve", gaugeName }); } } public String getReferenceGaugename() { return FLYSUtils.getReferenceGaugeName((FLYSArtifact) master); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :