org.opennms.integration.api.xml.JaxbUtils Maven / Gradle / Ivy
/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2018 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2018 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.integration.api.xml;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
class JaxbUtils {
public static String toXml(Object o, Class clazz) {
try {
final StringWriter sw = new StringWriter();
final JAXBContext context = JAXBContext.newInstance(clazz);
final Marshaller m = context.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
m.marshal(o, sw);
return sw.toString();
} catch(Exception ex) {
throw new RuntimeException(ex);
}
}
public static V fromXml(String xml, Class clazz) {
try (StringReader reader = new StringReader(xml)){
final JAXBContext context = JAXBContext.newInstance(clazz);
final Unmarshaller um = context.createUnmarshaller();
return (V)um.unmarshal(reader);
} catch(Exception ex) {
throw new RuntimeException(ex);
}
}
public static V fromXml(InputStream xml, Class clazz) {
try {
final JAXBContext context = JAXBContext.newInstance(clazz);
final Unmarshaller um = context.createUnmarshaller();
return (V) um.unmarshal(xml);
} catch (JAXBException ex) {
throw new RuntimeException(ex);
}
}
}