1 /* Copyright 2004-2005 Graeme Rocher
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 package org
.codehaus
.groovy
.grails
.validation
;
17 import org
.springframework
.validation
.Errors
;
19 import java
.util
.List
;
22 * A constraint that validates the property is contained within the supplied list
24 * @author Graeme Rocher
27 * Created: Jan 19, 2007
30 class InListConstraint
extends AbstractConstraint
{
35 * @return Returns the list.
37 public List
getList() {
42 * @see org.codehaus.groovy.grails.validation.Constraint#supports(java.lang.Class)
44 public boolean supports(Class type
) {
49 * @see org.codehaus.groovy.grails.validation.ConstrainedProperty.AbstractConstraint#setParameter(java.lang.Object)
51 public void setParameter(Object constraintParameter
) {
52 if(!(constraintParameter
instanceof List
))
53 throw new IllegalArgumentException("Parameter for constraint ["+ConstrainedProperty
.IN_LIST_CONSTRAINT
+"] of property ["+constraintPropertyName
+"] of class ["+constraintOwningClass
+"] must implement the interface [java.util.List]");
55 this.list
= (List
)constraintParameter
;
56 super.setParameter(constraintParameter
);
59 public String
getName() {
60 return ConstrainedProperty
.IN_LIST_CONSTRAINT
;
63 protected void processValidate(Object target
, Object propertyValue
, Errors errors
) {
64 // Check that the list contains the given value. If not, add
66 if(!this.list
.contains(propertyValue
)) {
67 Object
[] args
= new Object
[] { constraintPropertyName
, constraintOwningClass
, propertyValue
, list
};
68 super.rejectValue(target
,errors
,ConstrainedProperty
.DEFAULT_NOT_INLIST_MESSAGE_CODE
,ConstrainedProperty
.NOT_PREFIX
+ ConstrainedProperty
.IN_LIST_CONSTRAINT
,args
);