Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/client/utils/DoubleValidator.java @ 1504:02a9104c0451
Implemented the validators more object oriented.
flys-client/trunk@3634 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Raimund Renkert <raimund.renkert@intevation.de> |
|---|---|
| date | Mon, 09 Jan 2012 17:29:56 +0000 |
| parents | |
| children | 339f8aa641b5 |
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| 1503:3304608baf35 | 1504:02a9104c0451 |
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| 1 package de.intevation.flys.client.client.utils; | |
| 2 | |
| 3 import java.util.Map; | |
| 4 | |
| 5 import com.google.gwt.i18n.client.NumberFormat; | |
| 6 | |
| 7 import com.smartgwt.client.widgets.form.fields.FormItem; | |
| 8 | |
| 9 /** | |
| 10 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 11 */ | |
| 12 public class DoubleValidator extends Validator { | |
| 13 | |
| 14 /** | |
| 15 * | |
| 16 */ | |
| 17 @Override | |
| 18 protected boolean validate(FormItem item, Map errors) { | |
| 19 boolean valid = true; | |
| 20 | |
| 21 String v = (String) item.getValue(); | |
| 22 | |
| 23 NumberFormat f = NumberFormat.getDecimalFormat(); | |
| 24 | |
| 25 try { | |
| 26 if (v == null) { | |
| 27 throw new NumberFormatException("empty"); | |
| 28 } | |
| 29 | |
| 30 double value = f.parse(v); | |
| 31 | |
| 32 errors.remove(item.getFieldName()); | |
| 33 } | |
| 34 catch (NumberFormatException nfe) { | |
| 35 errors.put(item.getFieldName(), MSG.wrongFormat()); | |
| 36 | |
| 37 item.focusInItem(); | |
| 38 | |
| 39 valid = false; | |
| 40 } | |
| 41 return valid; | |
| 42 } | |
| 43 } | |
| 44 |