Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/org/dive4elements/river/exports/WDifferencesExporter.java @ 5831:bd047b71ab37
Repaired internal references
author | Sascha L. Teichmann <teichmann@intevation.de> |
---|---|
date | Thu, 25 Apr 2013 12:06:39 +0200 |
parents | flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesExporter.java@b2ea89a665bc |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/org/dive4elements/river/exports/WDifferencesExporter.java Thu Apr 25 12:06:39 2013 +0200 @@ -0,0 +1,258 @@ +package org.dive4elements.river.exports; + +import java.io.IOException; +import java.io.OutputStream; +import java.text.NumberFormat; +import java.util.ArrayList; +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.CallContext; +import org.dive4elements.artifacts.CallMeta; +import org.dive4elements.artifacts.common.utils.Config; + +import org.dive4elements.river.artifacts.WINFOArtifact; + +import org.dive4elements.river.artifacts.model.CalculationResult; +import org.dive4elements.river.artifacts.model.WKms; +import org.dive4elements.river.artifacts.model.WKmsJRDataSource; +import org.dive4elements.river.artifacts.resources.Resources; + +import org.dive4elements.river.utils.FLYSUtils; +import org.dive4elements.river.utils.Formatter; + +/** + * (CSV)Exporter for WDifferences. + */ +public class WDifferencesExporter extends AbstractExporter { + + /** The logger used in this exporter. */ + private static Logger logger = Logger.getLogger(WDifferencesExporter.class); + + + public static final String WDIFF_CSV_KM_HEADER = + "export.w_differences.csv.header.km"; + + public static final String WDIFF_CSV_W_HEADER = + "export.w_differences.csv.header.w"; + + public static final String WDIFF_DEFAULT_CSV_KM_HEADER = "Fluss-Km"; + public static final String WDIFF_DEFAULT_CSV_W_HEADER = "m"; + + public static final String PDF_HEADER_MODE = "export.wdifferences.pdf.mode"; + public static final String JASPER_FILE = "export.wdifferences.pdf.file"; + + /** The storage that contains all WKms objects for the different facets. */ + protected List<WKms[]> data; + + + public void init(Document request, OutputStream out, CallContext context) { + logger.debug("WDifferencesExporter.init"); + + super.init(request, out, context); + + this.data = new ArrayList<WKms[]>(); + } + + + /** + * Genereate data in csv format. + */ + @Override + public void generate() + throws IOException + { + logger.debug("WDifferencesExporter.generate"); + + if (facet == null) { + throw new IOException("invalid (null) facet for exporter"); + } + else if (facet.equals(AbstractExporter.FACET_CSV)) { + generateCSV(); + } + else if (facet.equals(AbstractExporter.FACET_PDF)) { + generatePDF(); + } + else { + throw new IOException("invalid facet (" + facet + ") for exporter"); + } + } + + + /** + * Adds given data. + * @param d either a WKms or a CalculationResult to add to data. + */ + @Override + protected void addData(Object d) { + if (d instanceof CalculationResult) { + d = ((CalculationResult)d).getData(); + if (d instanceof WKms []) { + data.add((WKms [])d); + } + } + else if (d instanceof WKms) { + data.add(new WKms[] { (WKms) d }); + } + } + + + /** + * Lets writer write all data (including header). + * @param writer Writer to write data with. + */ + @Override + protected void writeCSVData(CSVWriter writer) { + logger.info("WDifferencesExporter.writeData"); + + writeCSVHeader(writer); + + for (WKms[] tmp: data) { + for (WKms wkms: tmp) { + wKms2CSV(writer, wkms); + } + } + } + + + /** + * Lets csvwriter write the header (first line in file). + * @param writer Writer to write header with. + */ + protected void writeCSVHeader(CSVWriter writer) { + logger.info("WDifferencesExporter.writeCSVHeader"); + + writer.writeNext(new String[] { + msg(WDIFF_CSV_KM_HEADER, WDIFF_DEFAULT_CSV_KM_HEADER), + msg(WDIFF_CSV_W_HEADER, WDIFF_DEFAULT_CSV_W_HEADER) + }); + } + + + protected void wKms2CSV(CSVWriter writer, WKms wkms) { + logger.debug("WDifferencesExporter.wKms2CSV"); + + NumberFormat kmf = getKmFormatter(); + NumberFormat wf = getWFormatter(); + int size = wkms.size(); + + for (int i = 0; i < size; i ++) { + + writer.writeNext(new String[] { + kmf.format(wkms.getKm(i)), + wf.format(wkms.getW(i)) + }); + } + } + + + /** + * Returns the number formatter for kilometer values. + * + * @return the number formatter for kilometer values. + */ + protected NumberFormat getKmFormatter() { + return Formatter.getWaterlevelKM(context); + } + + + /** + * Returns the number formatter for W values. + * + * @return the number formatter for W values. + */ + protected NumberFormat getWFormatter() { + return Formatter.getWaterlevelW(context); + } + + + @Override + protected void writePDF(OutputStream out) { + WKmsJRDataSource source = createJRData(); + + String jasperFile = Resources.getMsg( + context.getMeta(), + JASPER_FILE, + "/jasper/wdifferences_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); + for (WKms[] tmp: data) { + for (WKms wkms: tmp) { + addWKmsData(source, wkms); + } + } + return source; + } + + + protected void addMetaData(WKmsJRDataSource source) { + CallMeta meta = context.getMeta(); + + WINFOArtifact flys = (WINFOArtifact) master; + + source.addMetaData ("river", FLYSUtils.getRivername(flys)); + + Locale locale = Resources.getLocale(meta); + DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale); + + source.addMetaData("date", df.format(new Date())); + + String differences = FLYSUtils.getWDifferences(flys, context); + source.addMetaData("differences", differences); + + source.addMetaData("calculation", Resources.getMsg( + locale, + PDF_HEADER_MODE, + "W Differences")); + } + + protected void addWKmsData(WKmsJRDataSource source, WKms wkms) { + NumberFormat kmf = getKmFormatter(); + NumberFormat wf = getWFormatter(); + int size = wkms.size(); + + for (int i = 0; i < size; i ++) { + + source.addData(new String[] { + kmf.format(wkms.getKm(i)), + wf.format(wkms.getW(i)) + }); + } + } + +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :