1 /**
2 * Copyright 2005-2012 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.krad.datadictionary.validation.constraint.resolver;
17
18 import org.kuali.rice.krad.datadictionary.validation.capability.CaseConstrainable;
19 import org.kuali.rice.krad.datadictionary.validation.constraint.Constraint;
20
21 import java.util.Collections;
22 import java.util.List;
23
24 /**
25 * An object that returns the case constraint as a list for a definition implementing the capability {@link CaseConstrainable}.
26 *
27 * @author Kuali Rice Team (rice.collab@kuali.org)
28 */
29 public class CaseConstraintResolver<T extends CaseConstrainable> implements ConstraintResolver<T> {
30
31 @Override
32 public <C extends Constraint> List<C> resolve(T definition) {
33 @SuppressWarnings("unchecked")
34 C caseConstraint = (C)definition.getCaseConstraint();
35 return (caseConstraint == null) ? null : Collections.<C>singletonList(caseConstraint);
36 }
37
38 }