Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/exports/fixings/ParametersExporter.java @ 4241:49cb65d5932d
Improved the historical discharge calculation.
The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used
to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is
improved to support those facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 14:34:35 +0200 |
parents | 35a6c9a49a76 |
children |
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package de.intevation.flys.exports.fixings; import au.com.bytecode.opencsv.CSVWriter; import de.intevation.artifacts.CallContext; import de.intevation.flys.artifacts.model.CalculationResult; import de.intevation.flys.artifacts.model.Parameters; import de.intevation.flys.artifacts.model.fixings.FixAnalysisResult; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.flys.exports.AbstractExporter; import java.io.IOException; import java.io.OutputStream; import java.text.NumberFormat; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; public class ParametersExporter extends AbstractExporter { private static Logger log = Logger.getLogger(ParametersExporter.class); protected List<Parameters> parametersList; @Override public void init(Document request, OutputStream out, CallContext context) { log.debug("ParametersExporter.init"); super.init(request, out, context); parametersList = new ArrayList<Parameters>(); } @Override protected void addData(Object d) { log.debug("ParametersExporter.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."); return; } FixAnalysisResult result = (FixAnalysisResult)data; parametersList.add(result.getParameters()); } @Override public void generate() throws IOException { log.debug("ParametersExporter.generate"); if (facet == null) { throw new IOException("invalid (null) facet for exporter"); } if (facet.equals(FIX_PARAMETERS)) { generateCSV(); } else { throw new IOException( "invalid facet for exporter: '" + facet + "'"); } } @Override protected void writeCSVData(final CSVWriter writer) throws IOException { if (parametersList.isEmpty()) { return; } Parameters parameters = parametersList.get(0); writer.writeNext(parameters.getColumnNames()); final int numColumns = parameters.getNumberColumns(); parameters.visit(new Parameters.Visitor() { String [] row = new String[numColumns]; NumberFormat format = NumberFormat.getInstance( Resources.getLocale(context.getMeta())); @Override public void visit(double [] data) { for (int i = 0; i < data.length; ++i) { row[i] = format.format(data[i]); } writer.writeNext(row); } }, new double[numColumns]); writer.flush(); } @Override protected void writePDF(OutputStream out) { // TODO: Implement me! } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :