| /* |
| * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial impl |
| package org.eclipse.persistence.sessions.serializers; |
| |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| |
| import jakarta.xml.bind.JAXBContext; |
| import jakarta.xml.bind.JAXBException; |
| import jakarta.xml.bind.Marshaller; |
| import jakarta.xml.bind.Unmarshaller; |
| |
| import org.eclipse.persistence.sessions.Session; |
| |
| /** |
| * Uses JAXB to convert an object to XML. |
| * @author James Sutherland |
| */ |
| public class XMLSerializer extends AbstractSerializer { |
| JAXBContext context; |
| |
| public XMLSerializer() { |
| } |
| |
| public XMLSerializer(String packageName) { |
| try { |
| this.context = JAXBContext.newInstance(packageName); |
| } catch (JAXBException exception) { |
| throw new RuntimeException(exception); |
| } |
| } |
| |
| public XMLSerializer(JAXBContext context) { |
| this.context = context; |
| } |
| |
| @Override |
| public void initialize(Class serializeClass, String serializePackage, Session session) { |
| if (this.context == null) { |
| if (serializePackage == null) { |
| serializePackage = serializeClass.getPackage().getName(); |
| } |
| try { |
| this.context = JAXBContext.newInstance(serializePackage, serializeClass.getClassLoader()); |
| } catch (JAXBException exception) { |
| throw new RuntimeException(exception); |
| } |
| } |
| } |
| |
| @Override |
| public Object serialize(Object object, Session session) { |
| try { |
| Marshaller marshaller = this.context.createMarshaller(); |
| marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); |
| StringWriter writer = new StringWriter(); |
| marshaller.marshal(object, writer); |
| return writer.toString(); |
| } catch (JAXBException exception) { |
| throw new RuntimeException(exception); |
| } |
| } |
| |
| @Override |
| public Object deserialize(Object xml, Session session) { |
| try { |
| Unmarshaller unmarshaller = this.context.createUnmarshaller(); |
| StringReader reader = new StringReader((String)xml); |
| return unmarshaller.unmarshal(reader); |
| } catch (JAXBException exception) { |
| throw new RuntimeException(exception); |
| } |
| } |
| |
| @Override |
| public Class getType() { |
| return String.class; |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName(); |
| } |
| } |