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1   /**
2    * Copyright 2005-2013 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   * CaseConstraintResolver returns the case constraint as a list for a definition implementing the capability {@link
26   * CaseConstrainable}
27   *
28   * @author Kuali Rice Team (rice.collab@kuali.org)
29   */
30  public class CaseConstraintResolver<T extends CaseConstrainable> implements ConstraintResolver<T> {
31  
32      @Override
33      public <C extends Constraint> List<C> resolve(T definition) {
34          @SuppressWarnings("unchecked") C caseConstraint = (C) definition.getCaseConstraint();
35          return (caseConstraint == null) ? null : Collections.<C>singletonList(caseConstraint);
36      }
37  
38  }