| 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 | } |