Mercurial > dive4elements > gnv-client
diff gnv-artifacts/src/main/java/de/intevation/gnv/state/CoordinateSelectionState.java @ 335:e964a3d8f7bc
Some Refactoring work done.
Moved Transition to State
gnv-artifacts/trunk@401 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Tue, 08 Dec 2009 08:39:03 +0000 |
parents | |
children | 3ddc22aab764 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gnv-artifacts/src/main/java/de/intevation/gnv/state/CoordinateSelectionState.java Tue Dec 08 08:39:03 2009 +0000 @@ -0,0 +1,138 @@ +/** + * + */ +package de.intevation.gnv.state; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Iterator; + +import org.apache.log4j.Logger; + +import com.vividsolutions.jts.geom.Point; +import com.vividsolutions.jts.io.ParseException; +import com.vividsolutions.jts.io.WKTReader; + +import de.intevation.gnv.geobackend.base.Result; +import de.intevation.gnv.state.describedata.DefaultKeyValueDescribeData; +import de.intevation.gnv.state.describedata.KeyValueDescibeData; +import de.intevation.gnv.state.describedata.NamedArrayList; +import de.intevation.gnv.state.describedata.NamedCollection; +import de.intevation.gnv.utils.InputValidator; +import de.intevation.gnv.utils.exception.ValidationException; + +/** + * @author Tim Englich <tim.englich@intevation.de> + * + */ +public class CoordinateSelectionState extends StateBase { + + /** + * the logger, used to log exceptions and additonaly information + */ + private static Logger log = Logger.getLogger(CoordinateSelectionState.class); + + /** + * The UID of this Class + */ + private static final long serialVersionUID = 6318923553625195063L; + + /** + * Constructor + */ + public CoordinateSelectionState() { + super(); + } + + @Override + protected void purifyResult(Collection<Result> result, String uuid) { + log.debug("CoordinateSelectionState.purifyResult"); + Collection<Object> describeData = this.getDescibeData(uuid); + if (describeData == null) { + describeData = new ArrayList<Object>(); + } + NamedCollection<KeyValueDescibeData> keyValueDescibeData = this + .extractKVP(result, "FEATUREID", "SHAPE"); + describeData.add(keyValueDescibeData); + this.setDescibeData(uuid, describeData); + } + + @Override + protected String prepareInputData4RegionDBQuery(String value) { + log.debug("CoordinateSelectionState.prepareInputData4RegionDBQuery"); + double distance=0.; + String returnValue = null; + try { + Point center = new InputValidator().getPointValue(value); + String meshIDValue = super.inputData.get("meshid").getValue(); + int segments = 97; + int meshid = new Integer(meshIDValue); + if (meshid == 3 || meshid == 5){ // TODO nicht hier festbrennen. + distance = 0.15; //nord-ostsee 6nm // 97 Stützpunkte + }else if (meshid == 1 || meshid == 4){ + distance = 0.03; //Kuestenmodell 1 nm + }else if (meshid == 2 || meshid == 321){ + distance = 0.3; //SST Karten ca 20km + }else if (meshid == 641){ + distance = 0.3; //Eisdaten Klima + } + returnValue = center.buffer(distance,segments).toText(); + } catch (NumberFormatException e) { + log.error(e,e); + } catch (ValidationException e) { + log.error(e,e); + } + return returnValue; + + } + + /** + * @see de.intevation.gnv.state.StateBase#extractKVP(java.util.Collection, java.lang.String, java.lang.String) + */ + @Override + protected NamedCollection<KeyValueDescibeData> extractKVP( + Collection<Result> result, + String keyid, + String valueid) { + Iterator<Result> rit = result.iterator(); + NamedCollection<KeyValueDescibeData> keyValueDescibeData = new NamedArrayList<KeyValueDescibeData>( + this.dataName, result.size()); + keyValueDescibeData.setMultiSelect(this.dataMultiSelect); + String prevKey = null; + while (rit.hasNext()) { + Result resultValue = rit.next(); + String key = resultValue.getString(keyid); + if(prevKey == null || !prevKey.equals(key)){ // müssen wir so machen, da die sde kein select distinct auf layern zulässt. + String geomString = this.convert2DisplayCoordinate(resultValue.getString(valueid)); + String value = geomString; + if (resultValue.getResultDescriptor().getColumnIndex("VALUE") > 0){ + value = resultValue.getString("VALUE") + " - "+value; + } + + + keyValueDescibeData.add(new DefaultKeyValueDescribeData(key,value )); + } + prevKey = key; + } + return keyValueDescibeData; + } + + protected String convert2DisplayCoordinate(String wkt){ + String formattedCoordinate = null; + try { + Point p = (Point)new WKTReader().read(wkt); + double lat = p.getY(); + double lon =p.getX(); + String nord="N"; + String ost="E"; + if (lat <0 ){nord="S"; lat=-lat;} + if (lon <0 ){ost="W"; lon=-lon;} + formattedCoordinate = String.format("%1$02d°%2$1S %3$05.2f' %4$03d°%5$1S %6$05.2f'", + (int)lat, nord,60.*(lat-((int)lat)),(int)lon,ost,60.*(lon-((int)lon))); + } catch (ParseException e) { + log.error(e,e); + } + + return formattedCoordinate; + } +}