001    /**
002     * Copyright 2005-2013 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.krad.datadictionary.validation.constraint.resolver;
017    
018    import org.kuali.rice.krad.datadictionary.validation.capability.CaseConstrainable;
019    import org.kuali.rice.krad.datadictionary.validation.constraint.Constraint;
020    
021    import java.util.Collections;
022    import java.util.List;
023    
024    /**
025     * CaseConstraintResolver returns the case constraint as a list for a definition implementing the capability {@link
026     * CaseConstrainable}
027     *
028     * @author Kuali Rice Team (rice.collab@kuali.org)
029     */
030    public class CaseConstraintResolver<T extends CaseConstrainable> implements ConstraintResolver<T> {
031    
032        @Override
033        public <C extends Constraint> List<C> resolve(T definition) {
034            @SuppressWarnings("unchecked") C caseConstraint = (C) definition.getCaseConstraint();
035            return (caseConstraint == null) ? null : Collections.<C>singletonList(caseConstraint);
036        }
037    
038    }