Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/AbstractSInfoExporter.java @ 8928:791714b92b5c
Basically implemented SINFO-Tkh Exports
author | gernotbelger |
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date | Thu, 01 Mar 2018 18:49:34 +0100 |
parents | |
children | 9c02733a1b3c |
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/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde * Software engineering by * Björnsen Beratende Ingenieure GmbH * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt * * 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.artifacts.sinfo.common; import java.io.OutputStream; import java.util.Collection; import java.util.HashMap; import java.util.Map; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.common.utils.Config; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.artifacts.sinfo.util.MetaAndTableJRDataSource; import org.dive4elements.river.artifacts.sinfo.util.RiverInfo; import org.dive4elements.river.exports.AbstractExporter; import au.com.bytecode.opencsv.CSVWriter; import net.sf.jasperreports.engine.JRDataSource; import net.sf.jasperreports.engine.JRException; import net.sf.jasperreports.engine.JasperExportManager; import net.sf.jasperreports.engine.JasperFillManager; import net.sf.jasperreports.engine.JasperPrint; /** * @author Gernot Belger */ public abstract class AbstractSInfoExporter<ROW extends AbstractSInfoResultRow, RESULT extends AbstractSInfoCalculationResult<ROW>, RESULTS extends AbstractSInfoCalculationResults<ROW, RESULT>> extends AbstractExporter { /** The storage that contains the current calculation result. */ private RESULTS data = null; protected abstract Logger getLog(); public RESULTS getData() { return this.data; } @Override protected final void addData(final Object d) { /* reset */ this.data = null; if (d instanceof CalculationResult) { final Object dat = ((CalculationResult) d).getData(); if (dat != null) this.data = (RESULTS) dat; } } @Override protected final void writeCSVData(final CSVWriter writer) { getLog().info("writeCSVData"); /* fetch calculation results */ final RESULTS results = this.data; final RiverInfo river = results.getRiver(); /* write as csv */ writeCSVMeta(writer, results); writeCSVHeader(writer, river); for (final RESULT result : results.getResults()) { writeCSVResult(writer, result); } } protected abstract void writeCSVHeader(final CSVWriter writer, final RiverInfo river); protected abstract void writeCSVMeta(final CSVWriter writer, final RESULTS results); protected final void writeCSVMetaEntry(final CSVWriter writer, final String message, final Object... messageArgs) { final CallMeta meta = this.context.getMeta(); writer.writeNext(new String[] { Resources.getMsg(meta, message, message, messageArgs) }); } protected final void writeCSVResult(final CSVWriter writer, final RESULT result) { writeCSVResultHeader(writer, result); /* nwo the value rows */ final Collection<ROW> rows = result.getRows(); for (final ROW row : rows) { writeCSVRow(writer, row); } } protected abstract void writeCSVResultHeader(CSVWriter writer, RESULT result); protected final void writeCSVRow(final CSVWriter writer, final ROW row) { getLog().debug("writeCSVFlowDepthRow"); final String[] formattedRow = formatCSVRow(row); writer.writeNext(formattedRow); } protected abstract String[] formatCSVRow(final ROW row); @Override protected final void writePDF(final OutputStream outStream) { getLog().debug("write PDF"); final JRDataSource source = createJRData(); final String confPath = Config.getConfigDirectory().toString(); // FIXME: distinguish between with and without tkh: we need two jasper reports! final Map<String, Object> parameters = new HashMap<>(); parameters.put("ReportTitle", "Exported Data"); try { final String jasperPath = confPath + getJasperFile(); final JasperPrint print = JasperFillManager.fillReport(jasperPath, parameters, source); JasperExportManager.exportReportToPdfStream(print, outStream); } catch (final JRException je) { getLog().warn("Error generating PDF Report!", je); } } protected abstract String getJasperFile(); private JRDataSource createJRData() { /* fetch calculation results */ final RESULTS results = this.data; final MetaAndTableJRDataSource source = new MetaAndTableJRDataSource(); addJRMetaData(source, results); for (final RESULT result : results.getResults()) { addJRTableData(source, result); } return source; } protected abstract void addJRMetaData(final MetaAndTableJRDataSource source, final RESULTS results); protected final void addJRTableData(final MetaAndTableJRDataSource source, final RESULT result) { final Collection<ROW> rows = result.getRows(); for (final ROW row : rows) { final String[] formattedRow = formatPDFRow(row); source.addData(formattedRow); } } protected abstract String[] formatPDFRow(final ROW row); }