1 /**
2 * 2007, Digitalis Informatica. All rights reserved. Distribuicao e Gestao de Informatica, Lda. Estrada de Paco de Arcos
3 * num.9 - Piso -1 2780-666 Paco de Arcos Telefone: (351) 21 4408990 Fax: (351) 21 4408999 http://www.digitalis.pt
4 */
5 package pt.digitalis.dif.dem.objects.parameters.constraints.impl.numeric;
6
7 import java.util.HashMap;
8 import java.util.Map;
9
10 import pt.digitalis.dif.dem.interfaces.IStageInstance;
11
12 /**
13 * Numeric parameter constraint implementation
14 *
15 * @author Pedro Viegas <a href="mailto:pviegas@digitalis.pt">pviegas@digitalis.pt</a>
16 * @created Nov 16, 2007
17 */
18 public class ParameterConstraintNumericImpl extends AbstractNumericParameterConstraint {
19
20 /** Last tested value */
21 String lastTestedValue;
22
23 /**
24 * @see pt.digitalis.dif.dem.objects.parameters.constraints.IParameterConstraint#configureConstraint(java.lang.String)
25 */
26 public void configureConstraint(String configurationString)
27 {
28 // Nothing to do. No parameters to parse.
29 }
30
31 /**
32 * @see pt.digitalis.dif.dem.objects.parameters.constraints.AbstractParameterConstraint#getErrorMessageValues(boolean)
33 */
34 @Override
35 protected Map<String, String> getErrorMessageValues(boolean parseValues)
36 {
37 Map<String, String> substitutions = new HashMap<String, String>();
38
39 if (parseValues)
40 {
41 substitutions.put("value", lastTestedValue);
42 }
43
44 return substitutions;
45 }
46
47 /**
48 * @see pt.digitalis.dif.dem.objects.parameters.constraints.IParameterConstraint#getJavaScriptValidationCondition()
49 */
50 public String getJavaScriptValidationCondition()
51 {
52 return "Ext.isNumeric(value)";
53 }
54
55 /**
56 * @see pt.digitalis.dif.dem.objects.parameters.constraints.impl.numeric.AbstractNumericParameterConstraint#validateConstraint(java.lang.Double,
57 * pt.digitalis.dif.dem.interfaces.IStageInstance)
58 */
59 @Override
60 public boolean validateConstraint(Double value, IStageInstance stageInstance)
61 {
62 // If it's a boolean it's already validated. Only have to implement this because of the BaseNumericImpl. It will
63 // never be called.
64 return true;
65 }
66
67 /**
68 * @see pt.digitalis.dif.dem.objects.parameters.constraints.impl.numeric.AbstractNumericParameterConstraint#validateConstraint(java.lang.String,
69 * pt.digitalis.dif.dem.interfaces.IStageInstance)
70 */
71 @Override
72 public boolean validateConstraint(String value, IStageInstance stageInstance)
73 {
74
75 lastTestedValue = value;
76
77 if (value == null || "".equals(value) || "undefined".equals(value))
78 return true;
79 else
80 try
81 {
82 value = value.replace(',', '.');
83
84 Double.valueOf(value);
85
86 return true;
87
88 }
89 catch (NumberFormatException e)
90 {
91 return false;
92 }
93 }
94 }