Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/utils/DoubleValidator.java @ 5734:06adfba17091
added some i18n missing in datacage
author | Tom Gottfried <tom@intevation.de> |
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date | Tue, 16 Apr 2013 17:33:55 +0200 |
parents | 24e9b5eb83f8 |
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1504
02a9104c0451
Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.client.client.utils; |
02a9104c0451
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2 |
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3 import java.util.Map; |
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4 |
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5 import com.google.gwt.core.client.GWT; |
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6 import com.google.gwt.i18n.client.NumberFormat; |
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7 |
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8 import com.smartgwt.client.widgets.form.fields.FormItem; |
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9 |
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10 import de.intevation.flys.client.client.FLYSConstants; |
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11 |
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12 /** |
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13 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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14 */ |
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15 public class DoubleValidator implements Validator { |
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16 |
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17 /** The interface that provides i18n messages. */ |
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18 protected FLYSConstants MSG = GWT.create(FLYSConstants.class); |
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19 |
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Improved manual wsp input validation.
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20 |
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21 /** Statically determine doubility of String value. */ |
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22 public static boolean isDouble(Object obj) { |
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23 if (obj == null) { |
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24 return false; |
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25 } |
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26 |
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27 boolean valid = true; |
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28 String v = obj.toString(); |
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29 |
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30 NumberFormat f = NumberFormat.getDecimalFormat(); |
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31 |
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32 try { |
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33 if (v == null) { |
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34 throw new NumberFormatException("empty"); |
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35 } |
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36 |
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37 double value = f.parse(v); |
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38 } |
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39 catch (NumberFormatException nfe) { |
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40 valid = false; |
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41 } |
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42 return valid; |
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Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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43 |
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44 } |
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45 |
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24e9b5eb83f8
Cosmetics.
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46 |
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parents:
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47 /** |
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48 * @return true if items value can be converted to double, if false, |
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49 * expect error message in \param errors map. |
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50 */ |
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51 public boolean validate(FormItem item, Map errors) { |
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52 boolean valid = true; |
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53 |
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Filter the helper input tables using the range filter.
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54 if(item.getValue() == null) { |
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55 return false; |
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56 } |
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57 String v = item.getValue().toString(); |
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58 |
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59 NumberFormat f = NumberFormat.getDecimalFormat(); |
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60 |
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61 try { |
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62 if (v == null) { |
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63 throw new NumberFormatException("empty"); |
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64 } |
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65 |
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66 double value = f.parse(v); |
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67 |
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68 errors.remove(item.getFieldName()); |
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69 } |
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70 catch (NumberFormatException nfe) { |
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71 errors.put(item.getFieldName(), MSG.wrongFormat()); |
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72 |
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73 item.focusInItem(); |
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74 |
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75 valid = false; |
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76 } |
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77 return valid; |
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78 } |
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79 } |
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80 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |
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81 |