Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontal/HorizontalProfileMeshCrossOutputState.java @ 420:c6a287398379
Outsourcing of some methods for preparing results for chart creation.
gnv-artifacts/trunk@468 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 21 Dec 2009 15:57:04 +0000 |
parents | 6eae1efb5fc3 |
children | 2402173a1490 |
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/** * */ package de.intevation.gnv.state.profile.horizontal; import java.util.Collection; import java.util.Locale; import org.apache.log4j.Logger; import org.w3c.dom.Node; import com.vividsolutions.jts.io.ParseException; import de.intevation.artifactdatabase.Config; import de.intevation.gnv.artifacts.cache.CacheFactory; import de.intevation.gnv.chart.Chart; import de.intevation.gnv.chart.ChartLabels; import de.intevation.gnv.chart.HorizontalCrossProfileChart; import de.intevation.gnv.geobackend.base.Result; import de.intevation.gnv.geobackend.base.query.exception.QueryException; import de.intevation.gnv.utils.WKTUtils; import org.jfree.chart.ChartTheme; /** * @author Tim Englich <tim.englich@intevation.de> * */ public class HorizontalProfileMeshCrossOutputState extends HorizontalProfileOutputState { /** * */ private static final long serialVersionUID = 2205958041745637263L; /** * the logger, used to log exceptions and additonaly information */ private static Logger log = Logger.getLogger(HorizontalProfileMeshCrossOutputState.class); private String ijkQueryID = null; /** * Constructor */ public HorizontalProfileMeshCrossOutputState() { super(); } /** * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#setup(org.w3c.dom.Node) */ @Override public void setup(Node configuration) { super.setup(configuration); this.ijkQueryID = Config.getStringXPath(configuration,"queryID-ijk"); } @Override protected Chart getChart( ChartLabels chartLables, ChartTheme theme, Collection parameters, Collection measurements, Collection dates, Collection result, Locale locale, String uuid, boolean linesVisible, boolean shapesVisible ) { Chart chart = null; if (CACHE_CHART) { log.info("Try to get horizontalprofilemeshcross chart from cache."); chart = (Chart) getChartFromCache(uuid); } if (chart != null) return chart; log.info("Chart not in cache yet."); chart = new HorizontalCrossProfileChart( chartLables, theme, parameters, measurements, dates, result, null, locale, linesVisible, shapesVisible ); chart.generateChart(); if (CACHE_CHART) { log.info("Put chart into cache."); purifyChart(chart, uuid); } return chart; } @Override protected Collection<Result> getChartResult(String uuid) { log.debug("HorizontalProfileMeshCrossOutputState.getChartResult"); Collection<Result> result = null; if (CacheFactory.getInstance().isInitialized()) { String key = uuid + super.getID(); log.debug("Hash for Queryelements: " + key); net.sf.ehcache.Element value = CacheFactory.getInstance().getCache().get(key); if (value != null) { result = (Collection<Result>) (value.getObjectValue()); }else{ if (this.inputData.containsKey("mesh_linestring")){ try { result = WKTUtils.worldCoordinatesToIndex( result, inputData, ijkQueryID, queryID, generateFilterValuesFromInputData() ); } catch (ParseException e) { log.error(e,e); }catch (QueryException e) { log.error(e,e); } }else{ // TODO: definieren was passiert wenn kein linestring vorhanden ist. } if (CacheFactory.getInstance().isInitialized()) { CacheFactory.getInstance().getCache().put(new net.sf.ehcache.Element(key, result)); } } } return result; } @Override protected String createChartSubtitle(Locale locale, String uuid) { log.debug("create chart subtitle for horizontal crossprofile charts."); String subtitle = createTimePeriod(locale, uuid); return subtitle; } }