Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/transition/profile/horizontal/HorizontalProfileOutputTransition.java @ 218:926530bda1a7
Integrated the OutputTransition for Horizontal Cross-Sections
gnv-artifacts/trunk@278 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Fri, 30 Oct 2009 11:26:03 +0000 |
parents | 5fc8f41669a6 |
children | a7fa7b404897 |
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/** * */ package de.intevation.gnv.transition.profile.horizontal; import java.io.IOException; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.UnsupportedEncodingException; import java.util.Collection; import java.util.Iterator; import org.apache.log4j.Logger; import au.com.bytecode.opencsv.CSVWriter; import com.vividsolutions.jts.geom.Point; import com.vividsolutions.jts.io.ParseException; import com.vividsolutions.jts.io.WKTReader; import de.intevation.gnv.chart.ChartLabels; import de.intevation.gnv.chart.ChartStyle; import de.intevation.gnv.chart.HorizontalProfileChartFactory; import de.intevation.gnv.chart.exception.TechnicalChartException; import de.intevation.gnv.geobackend.base.Result; import de.intevation.gnv.statistics.HorizontalProfileStatistics; import de.intevation.gnv.statistics.Statistics; import de.intevation.gnv.transition.describedata.KeyValueDescibeData; import de.intevation.gnv.transition.exception.TransitionException; import de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition; /** * @author Tim Englich <tim.englich@intevation.de> * */ public class HorizontalProfileOutputTransition extends TimeSeriesOutputTransition { /** * The UID of this class */ private static final long serialVersionUID = 4401516087492028840L; private static Logger log = Logger .getLogger(HorizontalProfileOutputTransition.class); /** * Constructor */ public HorizontalProfileOutputTransition() { super(); super.domainLable = "Distance [km]"; } /** * @see de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition#createChart(java.io.OutputStream, * java.util.Collection, java.util.Collection, java.lang.String, * de.intevation.gnv.chart.ChartStyle, * de.intevation.gnv.chart.ChartLabels) */ @Override protected void createChart(OutputStream outputStream, Collection<KeyValueDescibeData> parameters, Collection<KeyValueDescibeData> measurements, Collection<KeyValueDescibeData> dates, ChartStyle chartStyle, ChartLabels chartLables, String uuid) throws IOException, TechnicalChartException { HorizontalProfileChartFactory chartFactory = new HorizontalProfileChartFactory(); chartFactory.createProfileChart(chartLables, chartStyle, parameters, measurements,dates, outputStream, this.getChartResult(uuid)); } /** * @see de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition#getStatisticsGenerator() */ @Override protected Statistics getStatisticsGenerator() { return new HorizontalProfileStatistics(); } @Override protected void createCSV(OutputStream outputStream, Collection<Result> chartResult) throws UnsupportedEncodingException, IOException, TransitionException { if (chartResult != null) { try { CSVWriter writer = new CSVWriter(new OutputStreamWriter( outputStream, "ISO-8859-1"), ','); // USE THIS ENCODING BECAUSE OF // PROBLEMS WITH EXCEL AND UTF-8 Iterator<Result> it = chartResult.iterator(); WKTReader wktReader = new WKTReader(); while (it.hasNext()) { Result result = it.next(); int i = 0; String[] entries = new String[6]; Point p = (Point)wktReader.read(result.getString("SHAPE")); entries[i++] = ""+p.getX(); entries[i++] = ""+p.getY(); entries[i++] = result.getString("YORDINATE"); entries[i++] = result.getString("GROUP1"); entries[i++] = result.getString("GROUP2"); entries[i++] = result.getString("GROUP3"); writer.writeNext(entries); } writer.close(); } catch (ParseException e) { log.error(e,e); throw new TransitionException( "Exception occured while parsing an Point from WKT."); } } else { log.error("No Data given for generation an CSV-File."); throw new TransitionException( "No Data given for generation an CSV-File."); } } }