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1 package org.hibernate.validator;
3
4 import org.hibernate.mapping.Column;
5 import org.hibernate.mapping.Property;
6
7
11 public class RangeValidator implements Validator<Range>, PropertyConstraint {
12 private long max;
13 private long min;
14
15 public void initialize(Range parameters) {
16 max = parameters.max();
17 min = parameters.min();
18 }
19
20 public boolean isValid(Object  value) {
21 if (value==null) return true;
22 if (value instanceof String ) {
23 try {
24 double dv = Double.parseDouble( (String ) value );
25 return dv>=min && dv<= max;
26 }
27 catch (NumberFormatException nfe) {
28 return false;
29 }
30 }
31 else if ( (value instanceof Double ) || (value instanceof Float ) ) {
32 double dv = ( (Number ) value ).doubleValue();
33 return dv>=min && dv<= max;
34 }
35 else if (value instanceof Number ) {
36 long lv = ( (Number ) value ).longValue();
37 return lv>=min && lv<= max;
38 }
39 else {
40 return false;
41 }
42 }
43
44 public void apply(Property property) {
45 Column col = (Column) property.getColumnIterator().next();
46 String check = "";
47 if (min!=Long.MIN_VALUE) check+= col.getName() + ">" + min;
48 if (max!=Long.MAX_VALUE && min!=Long.MIN_VALUE) check += " and ";
49 if (max!=Long.MAX_VALUE) check += col.getName() + "<" + max;
50 col.setCheckConstraint(check);
51 }
52
53 }
54 |
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