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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.utils;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;
import org.onap.so.logger.LoggingAnchor;
import org.onap.so.exceptions.MarshallerException;
import org.onap.logging.filter.base.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
public class XmlMarshaller {
private static Logger logger = LoggerFactory.getLogger(XmlMarshaller.class);
public static String marshal(Object object) throws MarshallerException {
StringWriter stringWriter = new StringWriter();
try {
JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass());
Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
jaxbMarshaller.marshal(object, stringWriter);
} catch (JAXBException e) {
logger.error(LoggingAnchor.THREE, MessageEnum.GENERAL_EXCEPTION.toString(),
ErrorCode.SchemaError.getValue(), e.getMessage(), e);
throw new MarshallerException(e.getMessage(), ErrorCode.SchemaError.getValue(), e);
}
return stringWriter.toString();
}
public static Object unMarshal(String input, Object object) throws MarshallerException {
try {
SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
spf.setFeature("http://xml.org/sax/features/external-general-entities", false);
spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
spf.setNamespaceAware(true);
XMLReader xmlReader = spf.newSAXParser().getXMLReader();
JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass());
Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
InputSource inputSource = new InputSource(new StringReader(input));
SAXSource source = new SAXSource(xmlReader, inputSource);
object = jaxbUnmarshaller.unmarshal(source, object.getClass()).getValue();
} catch (Exception e) {
logger.error(LoggingAnchor.THREE, MessageEnum.GENERAL_EXCEPTION.toString(),
ErrorCode.SchemaError.getValue(), e.getMessage(), e);
throw new MarshallerException(e.getMessage(), ErrorCode.SchemaError.getValue(), e);
}
return object;
}
}
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