001/**
002 * Copyright 2010-2014 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.common.util.xml.jaxb.adapter;
017
018import javax.xml.bind.annotation.adapters.XmlAdapter;
019
020import org.kuali.common.util.Assert;
021
022public abstract class OmitClassAdapter extends XmlAdapter<Class<?>, Class<?>> {
023
024        public OmitClassAdapter(Class<?> omitClass) {
025                Assert.noNulls(omitClass);
026                this.omitClass = omitClass;
027        }
028
029        private final Class<?> omitClass;
030
031        @Override
032        public final Class<?> marshal(Class<?> value) {
033                if (omitClass == value) {
034                        return null;
035                } else {
036                        return value;
037                }
038        }
039
040        @Override
041        public final Class<?> unmarshal(Class<?> value) {
042                if (value == null) {
043                        return omitClass;
044                } else {
045                        return value;
046                }
047        }
048
049        public final Class<?> getOmitClass() {
050                return omitClass;
051        }
052
053}