1
2
3
4
5 package pt.digitalis.dif.dem.objects.parameters.constraints.impl;
6
7 import java.util.ArrayList;
8 import java.util.HashMap;
9 import java.util.List;
10 import java.util.Map;
11
12 import pt.digitalis.dif.dem.interfaces.IStageInstance;
13 import pt.digitalis.dif.dem.objects.parameters.constraints.AbstractParameterConstraint;
14
15
16
17
18
19
20
21 public class ParameterConstraintMaxSizeImpl extends AbstractParameterConstraint {
22
23
24 @SuppressWarnings("serial")
25 final static private List<String> supportedClasses = new ArrayList<String>() {
26
27 {
28 add(String.class.getCanonicalName());
29 }
30 };
31
32
33 String lastTestedValue;
34
35
36 Integer maxSize;
37
38
39
40
41 public void configureConstraint(String configurationString)
42 {
43
44 String value = configurationString.substring(configurationString.indexOf("=") + 1);
45
46 maxSize = new Integer(value.trim());
47 }
48
49
50
51
52 @Override
53 protected Map<String, String> getErrorMessageValues(boolean parseValues)
54 {
55 Map<String, String> substitutions = new HashMap<String, String>();
56
57 if (parseValues)
58 {
59 substitutions.put("value", lastTestedValue);
60 }
61 substitutions.put("max", maxSize.toString());
62
63 return substitutions;
64 }
65
66
67
68
69 public String getJavaScriptValidationCondition()
70 {
71 return "(new String(value).length <= " + maxSize + ")";
72 }
73
74
75
76
77 public boolean isSupportedClass(Class<?> clazz)
78 {
79 return supportedClasses.contains(clazz.getCanonicalName());
80 }
81
82
83
84
85
86 public boolean validateConstraint(String value, IStageInstance stageInstance)
87 {
88 lastTestedValue = value;
89
90 return (value == null || value.length() <= maxSize);
91 }
92 }