package pt.utl.ist.sotis.conversion;

import java.io.StringReader;

import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
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.bibtex.Items;

public class SotisUnmarshaller {
    public static Items parse(String xml) throws ConversionException {
        try {
            JAXBContext jc = JAXBContext.newInstance("pt.utl.ist.sotis.bibtex");
            Unmarshaller unmarshaller = jc.createUnmarshaller();
            Schema schema =
                    SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(
                            SotisUnmarshaller.class.getResource("/sotis.xsd"));
            unmarshaller.setSchema(schema);
            return (Items) unmarshaller.unmarshal(new StringReader(xml));
        } catch (JAXBException e) {
            throw new ConversionException(e);
        } catch (SAXException e) {
            throw new ConversionException(e);
        }
    }
}