ingo@391: package de.intevation.flys.exports;
ingo@391: 
ingo@391: import java.io.OutputStream;
ingo@391: import java.util.ArrayList;
ingo@391: import java.util.List;
ingo@391: 
ingo@391: import org.w3c.dom.Document;
ingo@391: 
ingo@391: import org.apache.log4j.Logger;
ingo@391: 
ingo@391: import au.com.bytecode.opencsv.CSVWriter;
ingo@391: 
ingo@391: import de.intevation.artifacts.Artifact;
ingo@391: import de.intevation.artifacts.CallContext;
ingo@391: 
ingo@391: import de.intevation.flys.artifacts.WINFOArtifact;
ingo@391: import de.intevation.flys.artifacts.model.WQDay;
ingo@391: 
ingo@391: 
ingo@391: /**
ingo@391:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@391:  */
ingo@391: public class DurationCurveExporter extends AbstractExporter {
ingo@391: 
ingo@391:     /** The logger used in this exporter.*/
ingo@391:     private static Logger logger = Logger.getLogger(WaterlevelExporter.class);
ingo@391: 
ingo@391: 
ingo@416:     public static final String CSV_DURATION_HEADER =
ingo@416:         "export.duration.curve.csv.header.duration";
ingo@416: 
ingo@416:     public static final String CSV_W_HEADER =
ingo@416:         "export.duration.curve.csv.header.w";
ingo@416: 
ingo@416:     public static final String CSV_Q_HEADER =
ingo@416:         "export.duration.curve.csv.header.q";
ingo@416: 
ingo@416:     public static final String DEFAULT_CSV_DURATION_HEADER = "D [Tagen]";
ingo@416:     public static final String DEFAULT_CSV_W_HEADER  = "W [NN + m]";
ingo@416:     public static final String DEFAULT_CSV_Q_HEADER  = "Q [m³/s]";
ingo@416: 
ingo@416: 
ingo@391:     /** The storage that contains all WQKms objects for the different facets.*/
ingo@391:     protected List<WQDay> data;
ingo@391: 
ingo@391: 
ingo@391:     public void init(Document request, OutputStream out, CallContext context) {
ingo@391:         logger.debug("DurationCurveExporter.init");
ingo@391: 
ingo@391:         super.init(request, out, context);
ingo@391: 
ingo@391:         this.data = new ArrayList<WQDay>();
ingo@391:     }
ingo@391: 
ingo@391: 
ingo@391:     protected void addData(Artifact artifact) {
ingo@391:         WINFOArtifact winfoArtifact = (WINFOArtifact) artifact;
ingo@391:         data.add(winfoArtifact.getDurationCurveData());
ingo@391:     }
ingo@391: 
ingo@391: 
ingo@391:     protected void writeCSVData(CSVWriter writer) {
ingo@391:         logger.info("DurationCurveExporter.writeData");
ingo@391: 
ingo@416:         writeCSVHeader(writer);
ingo@416: 
ingo@391:         for (WQDay wqday: data) {
ingo@391:             wQDay2CSV(writer, wqday);
ingo@391:         }
ingo@391:     }
ingo@391: 
ingo@391: 
ingo@416:     protected void writeCSVHeader(CSVWriter writer) {
ingo@416:         logger.info("DurationCurveExporter.writeCSVHeader");
ingo@416: 
ingo@416:         writer.writeNext(new String[] {
ingo@416:             msg(CSV_W_HEADER, DEFAULT_CSV_W_HEADER),
ingo@416:             msg(CSV_Q_HEADER, DEFAULT_CSV_Q_HEADER),
ingo@416:             msg(CSV_DURATION_HEADER, DEFAULT_CSV_DURATION_HEADER)
ingo@416:         });
ingo@416:     }
ingo@416: 
ingo@416: 
ingo@391:     protected void wQDay2CSV(CSVWriter writer, WQDay wqday) {
ingo@391:         logger.debug("DurationCurveExporter.wQDay2CSV");
ingo@391: 
ingo@391:         int size = wqday.size();
ingo@391: 
ingo@391:         for (int i = 0; i < size; i ++) {
ingo@391:             writer.writeNext(new String[] {
ingo@391:                 Double.toString(wqday.getW(i)),
ingo@391:                 Double.toString(wqday.getQ(i)),
ingo@391:                 Double.toString(wqday.getDay(i))
ingo@391:             });
ingo@391:         }
ingo@391:     }
ingo@391: }