001/**
002 * Copyright 2005-2016 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 */
016package org.kuali.rice.krad.datadictionary.impl;
017
018import java.util.List;
019
020import org.kuali.rice.krad.datadictionary.FieldOverride;
021
022/**
023 * A Field Override used to delete elements from a Data Dictionary bean. 
024 * 
025 * @author Kuali Rice Team (rice.collab@kuali.org)
026 *
027 */
028public class FieldOverrideForListElementDeleteImpl extends FieldOverrideForListElementBase  implements FieldOverride{
029        
030        public Object performFieldOverride(Object bean, Object property) {
031        List oldList = (List)property;
032
033        int deletePos = getElementPositionInList(this.getElement(), oldList );
034        
035        if ( deletePos < 0  )
036        {
037                throw new RuntimeException("Element to be deleted could not be found:bean=" + bean + ", property=" + property);
038        }
039        else
040        {
041                oldList.remove(deletePos);
042        }
043        return oldList;
044    }
045}