1 /**
2 * Copyright 2010-2014 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.common.util.xml.jaxb.adapter;
17
18 import javax.xml.bind.annotation.adapters.XmlAdapter;
19
20 import com.google.common.base.Optional;
21
22 public class OmitOptionalAdapter<T> extends XmlAdapter<T, Optional<T>> {
23
24 @Override
25 public T marshal(Optional<T> optional) {
26 if (optional.isPresent()) {
27 return optional.get();
28 } else {
29 return null;
30 }
31 }
32
33 @Override
34 public Optional<T> unmarshal(T value) {
35 if (value == null) {
36 return Optional.<T> absent();
37 } else {
38 return Optional.<T> of(value);
39 }
40 }
41
42 }