package pt.utl.ist.sotis.dblp.conversion;

import generated.Dblp;

import java.io.File;

import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;

import org.xml.sax.SAXException;

import pt.utl.ist.sotis.conversion.ConversionException;

public class DblpUnmarshaller {
    public static JAXBElement<Dblp> parse(File xml) throws ConversionException {
        try {
            JAXBContext jc = JAXBContext.newInstance("generated");
            Unmarshaller unmarshaller = jc.createUnmarshaller();
            Schema schema =
                    SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(
                            DblpUnmarshaller.class.getResource("/dblp.xsd"));
            unmarshaller.setSchema(schema);
            return (JAXBElement<Dblp>) unmarshaller.unmarshal(xml);
        } catch (JAXBException e) {
            throw new ConversionException(e);
        } catch (SAXException e) {
            throw new ConversionException(e);
        }
    }
}