teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.datacage.templating;
sascha@998: 
aheinecke@7592: import java.sql.Date;
aheinecke@7592: import java.sql.Timestamp;
teichmann@7403: 
teichmann@7403: import org.apache.log4j.Logger;
teichmann@7403: 
sascha@998: public class TypeConverter
sascha@998: {
teichmann@7403:     private static Logger log = Logger.getLogger(TypeConverter.class);
teichmann@7403: 
sascha@998:     private TypeConverter() {
sascha@998:     }
sascha@998: 
sascha@998:     public static Object convert(Object object, String type) {
sascha@998: 
sascha@998:         if (type == null) {
sascha@998:             return object;
sascha@998:         }
sascha@998: 
teichmann@7403:         type = type.toLowerCase();
teichmann@7403: 
teichmann@7403:         if ("integer".equals(type)) {
sascha@998:             return Integer.valueOf(object.toString());
sascha@998:         }
sascha@998: 
teichmann@7403:         if ("double".equals(type)) {
sascha@998:             return Double.valueOf(object.toString());
sascha@998:         }
sascha@998: 
teichmann@7403:         if ("string".equals(type)) {
sascha@998:             return object.toString();
sascha@998:         }
sascha@998: 
teichmann@7403:         if ("date".equals(type)) {
teichmann@7403:             if (object instanceof Date) {
teichmann@7403:                 return object;
teichmann@7403:             }
teichmann@7403:             try {
teichmann@7403:                 return new Date((long)Double.parseDouble(object.toString()));
teichmann@7403:             }
teichmann@7403:             catch (NumberFormatException nfe) {
teichmann@7403:                 log.warn(nfe);
teichmann@7403:                 return null;
teichmann@7403:             }
teichmann@7403:         }
teichmann@7403: 
aheinecke@7592:         if ("timestamp".equals(type)) {
aheinecke@7592:             if (object instanceof Timestamp) {
aheinecke@7592:                 return object;
aheinecke@7592:             }
aheinecke@7592:             try {
tom@8856:                 return new Timestamp(
tom@8856:                     (long)Double.parseDouble(object.toString()));
aheinecke@7592:             }
aheinecke@7592:             catch (NumberFormatException nfe) {
aheinecke@7592:                 log.warn(nfe);
aheinecke@7592:                 return null;
aheinecke@7592:             }
aheinecke@7592:         }
aheinecke@7592: 
sascha@998:         // TODO: Add more types
sascha@998: 
sascha@998:         return object;
sascha@998:     }
sascha@998: }
sascha@998: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :