raimund@1504: package de.intevation.flys.client.client.utils;
raimund@1504: 
raimund@1504: import java.util.Map;
raimund@1504: 
raimund@1504: import com.google.gwt.i18n.client.NumberFormat;
raimund@1504: 
raimund@1504: import com.smartgwt.client.widgets.form.fields.FormItem;
raimund@1504: 
raimund@1504: /**
raimund@1504:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@1504:  */
raimund@1504: public class DoubleValidator extends Validator {
raimund@1504: 
raimund@1504:     /**
raimund@1504:      *
raimund@1504:      */
raimund@1504:     @Override
raimund@1504:     protected boolean validate(FormItem item, Map errors) {
raimund@1504:         boolean valid = true;
raimund@1504: 
raimund@1504:         String v = (String) item.getValue();
raimund@1504: 
raimund@1504:         NumberFormat f = NumberFormat.getDecimalFormat();
raimund@1504: 
raimund@1504:         try {
raimund@1504:             if (v == null) {
raimund@1504:                 throw new NumberFormatException("empty");
raimund@1504:             }
raimund@1504: 
raimund@1504:             double value = f.parse(v);
raimund@1504: 
raimund@1504:             errors.remove(item.getFieldName());
raimund@1504:         }
raimund@1504:         catch (NumberFormatException nfe) {
raimund@1504:             errors.put(item.getFieldName(), MSG.wrongFormat());
raimund@1504: 
raimund@1504:             item.focusInItem();
raimund@1504: 
raimund@1504:             valid = false;
raimund@1504:         }
raimund@1504:         return valid;
raimund@1504:     }
raimund@1506: 
raimund@1506: 
raimund@1506:     public String toProtocolString(FormItem item, Map errors) {
raimund@1506:         if(validate(item, errors)) {
raimund@1506:             return item.getValue().toString().replaceAll(",", ".");
raimund@1506:         }
raimund@1506:         else {
raimund@1506:             return null;
raimund@1506:         }
raimund@1506:     }
raimund@1504: }
raimund@1504: