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