ingo@1115: /*
ingo@1115:  * Copyright (c) 2010 by Intevation GmbH
ingo@1115:  *
ingo@1115:  * This program is free software under the LGPL (>=v2.1)
ingo@1115:  * Read the file LGPL.txt coming with the software for details
ingo@1115:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@1115:  */
ingo@1115: 
ingo@238: package de.intevation.gnv.exports;
ingo@238: 
sascha@779: import com.vividsolutions.jts.geom.Point;
sascha@779: 
sascha@779: import com.vividsolutions.jts.io.ParseException;
sascha@779: 
sascha@779: import de.intevation.gnv.geobackend.base.Result;
sascha@779: 
sascha@779: import de.intevation.gnv.state.exception.StateException;
sascha@779: 
ingo@238: import java.text.DateFormat;
ingo@238: import java.text.SimpleDateFormat;
ingo@238: 
sascha@779: import java.util.Date;
ingo@238: 
sascha@779: import org.apache.log4j.Logger;
ingo@238: 
ingo@238: /**
ingo@771:  * This class is a specialization of {@link ShapeDataCollector} and turns
ingo@771:  * furthermore a given datetime string into a specific format.
ingo@771:  *
ingo@771:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@238:  */
ingo@238: public class SimpleOdvDataCollector
ingo@238: extends ShapeDataCollector
ingo@238: {
ingo@771:     /**
ingo@771:      * Logger used for logging with log4j.
ingo@771:      */
ingo@238:     private static Logger log = Logger.getLogger(SimpleOdvDataCollector.class);
ingo@238: 
ingo@771:     /**
ingo@771:      * Constant field which defines the source format of a given datetime.
ingo@771:      */
ingo@238:     public static final String SRC_FORMAT  = "yyyy.MM.dd HH:mm:ss";
ingo@771: 
ingo@771:     /**
ingo@771:      * Constant field which defines the target format of a given datetime.
ingo@771:      */
ingo@238:     public static final String DEST_FORMAT = "yyyy-MM-dd HH:mm";
ingo@238: 
ingo@771:     /**
ingo@771:      * Source format.
ingo@771:      */
ingo@238:     public static DateFormat srcFormat  = new SimpleDateFormat(SRC_FORMAT);
ingo@771: 
ingo@771:     /**
ingo@771:      * Target format.
ingo@771:      */
ingo@238:     public static DateFormat destFormat = new SimpleDateFormat(DEST_FORMAT);
ingo@238: 
ingo@771:     /**
ingo@771:      * Constructor
ingo@771:      *
ingo@771:      * @param names See {@link #names}
ingo@771:      */
ingo@238:     public SimpleOdvDataCollector(String[] names) {
ingo@238:         super(names);
ingo@238:     }
ingo@238: 
ingo@771:     /**
ingo@771:      * Given datetime values which corresponds to the attribute key 'TIMEVALUE'
ingo@771:      * are transformed from {@link #SRC_FORMAT} into {@link #DEST_FORMAT}.
ingo@771:      *
ingo@771:      * @see de.intevation.gnv.exports.Export.DataCollector#getData(Result)
ingo@771:      */
ingo@238:     public String[] getData(Result result)
tim@335:     throws StateException
ingo@238:     {
ingo@238:         if (rd == null)
ingo@238:             init(result);
ingo@238: 
ingo@238:         try {
ingo@238:             String [] entries = new String[names.length+1];
ingo@238:             int j             = 0;
ingo@238:             for (int i = 0; i < names.length; i++) {
sascha@778: 
ingo@238:                 if (names[i].equals("SHAPE")) {
ingo@238:                     Point p  = (Point)wktReader.read(result.getString("SHAPE"));
ingo@238: 
ingo@238:                     entries[j++] = ""+p.getX();
ingo@238:                     entries[j++] = ""+p.getY();
ingo@238:                 }
sascha@778:                 // Change the datetime format from yyyy.MM.dd HH:mm:ss to
ingo@238:                 // yyyy-MM-dd HH:mm
ingo@238:                 else if (names[i].equals("TIMEVALUE")) {
ingo@238:                     Date source  = srcFormat.parse(result.getString(names[i]));
ingo@238:                     entries[j++] = destFormat.format(source);
ingo@238:                 }
ingo@238:                 else {
ingo@238:                     entries[j++] = result.getString(names[i]);
ingo@238:                 }
ingo@238:             }
ingo@238: 
ingo@238:             return entries;
ingo@238:         }
ingo@238:         catch (ParseException pe) {
ingo@238:             log.error(pe, pe);
tim@335:             throw new StateException(
ingo@238:                 "Error occured while parsing source data.");
ingo@238:         }
ingo@238:         catch (java.text.ParseException pe) {
ingo@238:             log.error(pe, pe);
tim@335:             throw new StateException(
ingo@238:                 "Error occured while parsing source data.");
ingo@238:         }
ingo@238:     }
ingo@238: }
ingo@771: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :