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JPMML class model with GlassFish Metro runtime

There is a newer version: 1.6.11

/*
 * Copyright (c) 2016 Villu Ruusmann
 */
package org.jpmml.model;

import java.io.OutputStream;

import javax.xml.bind.JAXBException;

import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.bind.v2.runtime.MarshallerImpl;
import com.sun.xml.bind.v2.runtime.output.XmlOutput;
import org.dmg.pmml.PMML;

public class MetroJAXBUtil {

	private MetroJAXBUtil(){
	}

	static
	public void marshalPMML(PMML pmml, OutputStream os) throws JAXBException {
		JAXBContextImpl context;

		try {
			context = (JAXBContextImpl)JAXBUtil.getContext();
		} catch(ClassCastException cce){
			throw new IllegalStateException("Not a GlassFish Metro runtime", cce);
		}

		MarshallerImpl marshaller = context.createMarshaller();

		XmlOutput xmlOutput = new PrettyUTF8XmlOutput(os, context.getUTF8NameTable());

		marshaller.marshal(pmml, xmlOutput);
	}
}