001/**
002 * Copyright 2005-2018 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 org.kuali.rice.krad.datadictionary.FieldOverride;
019
020import java.util.List;
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 */
027public class FieldOverrideForListElementDeleteImpl extends FieldOverrideForListElementBase implements FieldOverride {
028
029    public Object performFieldOverride(Object bean, Object property) {
030        List oldList = (List) property;
031
032        int deletePos = getElementPositionInList(this.getElement(), oldList);
033
034        if (deletePos < 0) {
035            throw new RuntimeException(
036                    "Element to be deleted could not be found:bean=" + bean + ", property=" + property);
037        } else {
038            oldList.remove(deletePos);
039        }
040        return oldList;
041    }
042}