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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.crud.util;
import org.eclipse.persistence.dynamic.DynamicEntity;
import org.eclipse.persistence.jaxb.JAXBMarshaller;
import org.eclipse.persistence.jaxb.MarshallerProperties;
import org.eclipse.persistence.jaxb.UnmarshallerProperties;
import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
import java.io.StringReader;
import java.io.StringWriter;
import javax.ws.rs.core.MediaType;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;
public class CrudJaxbTransformation {
/**
* Marshal a dynamic entity into a string.
*
* @param entity the dynamic entity
* @param jaxbContext the dynamic jaxb context
* @return the marshaled entity
* @throws RouterException on error
*/
public static String marshal(MediaType mediaType, final DynamicEntity entity,
final DynamicJAXBContext jaxbContext) throws JAXBException {
final JAXBMarshaller marshaller = jaxbContext.createMarshaller();
marshaller.setProperty(JAXBMarshaller.JAXB_FORMATTED_OUTPUT, false);
if (MediaType.APPLICATION_JSON_TYPE.isCompatible(mediaType)) {
marshaller.setProperty("eclipselink.media-type", "application/json");
marshaller.setProperty("eclipselink.json.include-root", false);
marshaller.setProperty(MarshallerProperties.JSON_MARSHAL_EMPTY_COLLECTIONS, Boolean.FALSE);
}
final StringWriter writer = new StringWriter();
marshaller.marshal(entity, writer);
return writer.toString();
}
/**
* @param type
* @param json
* @param mediaType
* @return
* @throws JAXBException
* @throws Exception
*/
public static Object unmarshal(String javaClass, String content, MediaType mediaType,
final DynamicJAXBContext jaxbContext) throws JAXBException {
Object clazz = null;
Unmarshaller unmarshaller = null;
clazz = jaxbContext.newDynamicEntity(javaClass);
unmarshaller = jaxbContext.createUnmarshaller();
if (mediaType.equals(MediaType.APPLICATION_JSON_TYPE)) {
unmarshaller.setProperty(UnmarshallerProperties.MEDIA_TYPE, "application/json");
unmarshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false);
unmarshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true);
}
return unmarshaller.unmarshal(new StreamSource(new StringReader(content)),
clazz.getClass()).getValue();
}
}
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