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 com.google.common.base.Optional;
021
022public class OmitOptionalAdapter<T> extends XmlAdapter<T, Optional<T>> {
023
024        @Override
025        public T marshal(Optional<T> optional) {
026                if (optional.isPresent()) {
027                        return optional.get();
028                } else {
029                        return null;
030                }
031        }
032
033        @Override
034        public Optional<T> unmarshal(T value) {
035                if (value == null) {
036                        return Optional.<T> absent();
037                } else {
038                        return Optional.<T> of(value);
039                }
040        }
041
042}