1 | /* |
2 | * Copyright 2006-2008 the original author or authors. |
3 | * |
4 | * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0 |
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 | |
17 | package org.springframework.batch.core.repository.dao; |
18 | |
19 | import com.thoughtworks.xstream.converters.reflection.ReflectionProvider; |
20 | import com.thoughtworks.xstream.io.HierarchicalStreamDriver; |
21 | import com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver; |
22 | import com.thoughtworks.xstream.XStream; |
23 | |
24 | import java.util.Map; |
25 | |
26 | import org.springframework.beans.factory.InitializingBean; |
27 | |
28 | /** |
29 | * Implementation that uses XStream and Jettison to provide serialization. |
30 | * |
31 | * @author Thomas Risberg |
32 | * @since 2.0 |
33 | */ |
34 | public class XStreamExecutionContextStringSerializer implements ExecutionContextStringSerializer, InitializingBean { |
35 | |
36 | private ReflectionProvider reflectionProvider = null; |
37 | |
38 | private HierarchicalStreamDriver hierarchicalStreamDriver; |
39 | |
40 | private XStream xstream; |
41 | |
42 | public String serialize(Map<String, Object> context) { |
43 | return xstream.toXML(context); |
44 | } |
45 | |
46 | @SuppressWarnings("unchecked") |
47 | public Map<String, Object> deserialize(String context) { |
48 | return (Map<String, Object>) xstream.fromXML(context); |
49 | } |
50 | |
51 | public void setReflectionProvider(ReflectionProvider reflectionProvider) { |
52 | this.reflectionProvider = reflectionProvider; |
53 | } |
54 | |
55 | public void setHierarchicalStreamDriver(HierarchicalStreamDriver hierarchicalStreamDriver) { |
56 | this.hierarchicalStreamDriver = hierarchicalStreamDriver; |
57 | } |
58 | |
59 | public void afterPropertiesSet() throws Exception { |
60 | init(); |
61 | } |
62 | |
63 | public synchronized void init() throws Exception { |
64 | if (hierarchicalStreamDriver == null) { |
65 | this.hierarchicalStreamDriver = new JettisonMappedXmlDriver(); |
66 | } |
67 | if (reflectionProvider == null) { |
68 | xstream = new XStream(hierarchicalStreamDriver); |
69 | } |
70 | else { |
71 | xstream = new XStream(reflectionProvider, hierarchicalStreamDriver); |
72 | } |
73 | } |
74 | } |