Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/ComputedDischargeCurveExporter.java @ 6792:962f6b805b48 longitudinal-symmetry
merged changes from default into longitudinal-symmetrie branch
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 07 Aug 2013 18:57:29 +0200 |
parents | 294742a49c1c |
children | 0a337f0005c2 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.exports; import java.io.OutputStream; import java.text.NumberFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.HashMap; import java.util.Date; import java.text.DateFormat; import java.util.Locale; import org.w3c.dom.Document; import org.apache.log4j.Logger; import au.com.bytecode.opencsv.CSVWriter; import net.sf.jasperreports.engine.JasperExportManager; import net.sf.jasperreports.engine.JasperFillManager; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.JRException; import org.dive4elements.artifacts.common.utils.Config; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.RangeAccess; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.model.WQ; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.artifacts.model.WKmsJRDataSource; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.model.Gauge; import org.dive4elements.river.model.River; import org.dive4elements.river.utils.RiverUtils; import org.dive4elements.river.utils.Formatter; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ComputedDischargeCurveExporter extends AbstractExporter { /** The logger used in this exporter.*/ private static Logger logger = Logger.getLogger(ComputedDischargeCurveExporter.class); public static final String CSV_W_HEADER = "export.computed.discharge.curve.csv.header.w"; public static final String CSV_Q_HEADER = "export.computed.discharge.curve.csv.header.q"; public static final String DEFAULT_CSV_W_HEADER = "W [NN + m]"; public static final String DEFAULT_CSV_Q_HEADER = "Q [m\u00b3/s]"; public static final String PDF_HEADER_MODE = "export.computed.discharge.pdf.mode"; public static final String PDF_HEADER_CALC_MODE = "export.computed.discharge.pdf.calc.mode"; public static final String JASPER_FILE = "export.computed.discharge.pdf.file"; protected List<WQKms> data; protected String wUnit; protected String riverUnit; protected String gaugeName; protected double gaugeDatum; protected boolean isCalculated; protected Date validSince; public void init(Document request, OutputStream out, CallContext context) { logger.debug("ComputedDischargeCurveExporter.init"); super.init(request, out, context); this.data = new ArrayList<WQKms>(); } @Override protected void addData(Object d) { if (d instanceof CalculationResult) { d = ((CalculationResult)d).getData(); } WQKms referenceWQ = null; // used for gauge / unit observations if (d instanceof WQKms[]){ data.addAll(Arrays.asList((WQKms [])d)); // If there is a unit mix in this list // we are screwed anyway. referenceWQ = ((WQKms[])d)[0]; } else if (d instanceof WQKms) { data.add((WQKms)d); referenceWQ = (WQKms)d; } else { logger.warn("Can't add data for export. Unkown data type " + d.getClass().getName()); return; } if (referenceWQ != null) { wUnit = referenceWQ.getWUnit(); D4EArtifact arti = (D4EArtifact)master; River river = RiverUtils.getRiver(arti); riverUnit = river.getWstUnit().getName(); RangeAccess rangeAccess = new RangeAccess(arti); double[] kms = rangeAccess.getKmRange(); Gauge gauge = river.determineGaugeByPosition(kms[0]); logger.debug("Kms 0: " + kms[0]); if (Math.abs(kms[0] - gauge.getStation().doubleValue()) < 1e-4) { gaugeName = gauge.getName(); gaugeDatum = gauge.getDatum().doubleValue(); // Assumption is that values at a gauge that are in the meter // reference system are calculated. isCalculated = wUnit.equals("m"); // Now convert the data to cm because we are at gauge List<WQKms> newData = new ArrayList<WQKms>(); for (WQKms d2: data) { newData.add(new WQKms(d2.getKms(), WQ.getFixedWQforExportAtGauge((WQ)d2, gauge.getDatum()))); } data = newData; // All hail the garbage collector wUnit = "cm"; validSince = gauge.fetchMasterDischargeTable().getTimeInterval().getStartTime(); } else { gaugeName = ""; validSince = null; gaugeDatum = Double.NaN; } } } protected void writeCSVData(CSVWriter writer) { logger.info("ComputedDischargeCurveExporter.writeData"); writeCSVHeader(writer); NumberFormat wf = getWFormatter(); NumberFormat qf = getQFormatter(); double[] res = new double[3]; for (WQKms wqkms: data) { int size = wqkms.size(); for (int i = 0; i < size; i++) { res = wqkms.get(i, res); writer.writeNext(new String[] { wf.format(res[0]), qf.format(res[1]) }); } } } protected void writeCSVHeader(CSVWriter writer) { logger.debug("ComputedDischargeCurveExporter.writeCSVHeader"); RangeAccess access = new RangeAccess((D4EArtifact)master); double[] km = access.getLocations(); // If we are not at gauge (cm) use the river unit String realUnit = wUnit.equals("cm") ? "cm" : riverUnit; String header = msg(CSV_W_HEADER, DEFAULT_CSV_W_HEADER, new Object[] {realUnit}); writer.writeNext(new String[] { header, msg(CSV_Q_HEADER, DEFAULT_CSV_Q_HEADER) }); } /** * Returns the number formatter for W values. * * @return the number formatter for W values. */ protected NumberFormat getWFormatter() { if (wUnit.equals("cm")) { return Formatter.getFormatter(context, 0, 0); } return Formatter.getComputedDischargeW(context); } /** * Returns the number formatter for Q values. * * @return the number formatter for Q values. */ protected NumberFormat getQFormatter() { return Formatter.getComputedDischargeQ(context); } @Override protected void writePDF(OutputStream out) { WKmsJRDataSource source = createJRData(); String jasperFile = Resources.getMsg( context.getMeta(), JASPER_FILE, "/jasper/computed-discharge_en.jasper"); String confPath = Config.getConfigDirectory().toString(); Map parameters = new HashMap(); parameters.put("ReportTitle", "Exported Data"); try { JasperPrint print = JasperFillManager.fillReport( confPath + jasperFile, parameters, source); JasperExportManager.exportReportToPdfStream(print, out); } catch(JRException je) { logger.warn("Error generating PDF Report!"); je.printStackTrace(); } } protected WKmsJRDataSource createJRData() { WKmsJRDataSource source = new WKmsJRDataSource(); addMetaData(source); addWQData(source); return source; } protected void addMetaData(WKmsJRDataSource source) { CallMeta meta = context.getMeta(); D4EArtifact flys = (D4EArtifact) master; source.addMetaData("gauge", gaugeName); if (!Double.isNaN(gaugeDatum)) { NumberFormat mf = Formatter.getMeterFormat(context); source.addMetaData("datum", mf.format(gaugeDatum) + " " + riverUnit); } else { source.addMetaData("datum", ""); } source.addMetaData ("river", RiverUtils.getRivername(flys)); Locale locale = Resources.getLocale(meta); DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale); source.addMetaData("date", df.format(new Date())); source.addMetaData("wUnit", wUnit.equals("m") ? riverUnit : "cm"); RangeAccess rangeAccess = new RangeAccess(flys); double[] kms = rangeAccess.getKmRange(); source.addMetaData("range", Formatter.getCalculationKm(context.getMeta()).format(kms[0])); // When w is in meter we are not at a gauge so our values // must be calculated if (isCalculated || wUnit.equals("m")) { source.addMetaData("valid_since", ""); source.addMetaData("calculation", Resources.getMsg( locale, PDF_HEADER_CALC_MODE, "Computed Discharge")); } else { source.addMetaData("valid_since", validSince == null ? "" : df.format(validSince)); source.addMetaData("calculation", Resources.getMsg( locale, PDF_HEADER_MODE, "Discharge")); } } protected void addWQData(WKmsJRDataSource source) { NumberFormat wf = getWFormatter(); NumberFormat qf = getQFormatter(); double[] res = new double[3]; for (WQKms wqkms: data) { int size = wqkms.size(); for (int i = 0; i < size; i++) { res = wqkms.get(i, res); source.addData(new String[] { "", // Empty, the WKmsJRDtasource stores km here. wf.format(res[0]), qf.format(res[1]) }); } } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :