Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/utils/DoubleValidator.java @ 1507:c21d14e48040

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Improved validation and property handling. flys-client/trunk@3645 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 11 Jan 2012 10:21:22 +0000
parents 339f8aa641b5
children 4f4d29404dba
rev   line source
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;
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2
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3 import java.util.Map;
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c21d14e48040 Improved validation and property handling.
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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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parents: 1506
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10 import de.intevation.flys.client.client.FLYSConstants;
c21d14e48040 Improved validation and property handling.
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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
c21d14e48040 Improved validation and property handling.
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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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Raimund Renkert <raimund.renkert@intevation.de>
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20 /**
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21 *
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22 */
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23 public boolean validate(FormItem item, Map errors) {
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24 boolean valid = true;
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25
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26 String v = item.getValue().toString();
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27
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28 NumberFormat f = NumberFormat.getDecimalFormat();
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29
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30 try {
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31 if (v == null) {
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32 throw new NumberFormatException("empty");
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33 }
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34
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35 double value = f.parse(v);
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36
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37 errors.remove(item.getFieldName());
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38 }
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39 catch (NumberFormatException nfe) {
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40 errors.put(item.getFieldName(), MSG.wrongFormat());
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41
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42 item.focusInItem();
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43
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44 valid = false;
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45 }
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46 return valid;
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47 }
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48 }
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49
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