Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/utils/DoubleValidator.java @ 5861:172338b1407f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
2 * Software engineering by Intevation GmbH
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
3 *
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
4 * This file is Free Software under the GNU AGPL (>=v3)
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
6 * documentation coming with Dive4Elements River for details.
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
7 */
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
8
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
9 package org.dive4elements.river.client.client.utils;
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
10
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
11 import java.util.Map;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
12
1507
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
13 import com.google.gwt.core.client.GWT;
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
14 import com.google.gwt.i18n.client.NumberFormat;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
15
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
16 import com.smartgwt.client.widgets.form.fields.FormItem;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
17
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
18 import org.dive4elements.river.client.client.FLYSConstants;
1507
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
19
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
20 /**
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
21 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
22 */
1507
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
23 public class DoubleValidator implements Validator {
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
24
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
25 /** The interface that provides i18n messages. */
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
26 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
27
2929
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
28
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
29 /** Statically determine doubility of String value. */
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
30 public static boolean isDouble(Object obj) {
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
31 if (obj == null) {
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
32 return false;
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
33 }
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
34
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
35 boolean valid = true;
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
36 String v = obj.toString();
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
37
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
38 NumberFormat f = NumberFormat.getDecimalFormat();
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
39
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
40 try {
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
41 if (v == null) {
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
42 throw new NumberFormatException("empty");
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
43 }
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
44
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
45 double value = f.parse(v);
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
46 }
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
47 catch (NumberFormatException nfe) {
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
48 valid = false;
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
49 }
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
50 return valid;
2937
a30d77d86386 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2929
diff changeset
51
2929
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
52 }
0ef4753e5515 Improved manual wsp input validation.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1536
diff changeset
53
3351
24e9b5eb83f8 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2937
diff changeset
54
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
55 /**
3351
24e9b5eb83f8 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2937
diff changeset
56 * @return true if items value can be converted to double, if false,
24e9b5eb83f8 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2937
diff changeset
57 * expect error message in \param errors map.
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
58 */
1507
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
59 public boolean validate(FormItem item, Map errors) {
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
60 boolean valid = true;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
61
1536
4f4d29404dba Filter the helper input tables using the range filter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1507
diff changeset
62 if(item.getValue() == null) {
4f4d29404dba Filter the helper input tables using the range filter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1507
diff changeset
63 return false;
4f4d29404dba Filter the helper input tables using the range filter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1507
diff changeset
64 }
1507
c21d14e48040 Improved validation and property handling.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1506
diff changeset
65 String v = item.getValue().toString();
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
66
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
67 NumberFormat f = NumberFormat.getDecimalFormat();
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
68
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
69 try {
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
70 if (v == null) {
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
71 throw new NumberFormatException("empty");
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
72 }
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
73
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
74 double value = f.parse(v);
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
75
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
76 errors.remove(item.getFieldName());
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
77 }
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
78 catch (NumberFormatException nfe) {
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
79 errors.put(item.getFieldName(), MSG.wrongFormat());
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
80
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
81 item.focusInItem();
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
82
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
83 valid = false;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
84 }
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
85 return valid;
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
86 }
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
87 }
3351
24e9b5eb83f8 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2937
diff changeset
88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
1504
02a9104c0451 Implemented the validators more object oriented.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
89
http://dive4elements.wald.intevation.org