Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.InputStream;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;

import javax.xml.bind.*;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import org.xml.sax.XMLReader;

public class Main {
    /**
     * Helper method to unmarshall a xml doc
     * @see http://docs.oracle.com/javase/tutorial/jaxb/intro/basic.html
     * http://jaxb.java.net/nonav/2.2.6/docs/ch03.html#unmarshalling
     * this uses <T> JAXBElement<T> unmarshal(Source source,
                        Class<T> declaredType)
                      throws JAXBException
     * 
     */
    /*   public static <T> T unmarshall(Class<T> docClass, InputStream inputStream) throws JAXBException{
     String packageName = docClass.getPackage().getName();
     JAXBContext jc = JAXBContext.newInstance( packageName );
     Unmarshaller u = jc.createUnmarshaller();
     JAXBElement<T> root = u.unmarshal(new StreamSource(inputStream),docClass);
     return root.getValue();
     }*/

    public static <T> T unmarshall(Class<T> docClass, InputStream inputStream)
            throws JAXBException, ParserConfigurationException, SAXException {
        String packageName = docClass.getPackage().getName();
        JAXBContext jc = JAXBContext.newInstance(packageName);
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setFeature("http://apache.org/xml/features/validation/schema", false);
        spf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
        XMLReader xmlReader = spf.newSAXParser().getXMLReader();
        InputSource inputSource = new InputSource(inputStream);
        SAXSource source = new SAXSource(xmlReader, inputSource);

        Unmarshaller u = jc.createUnmarshaller();
        JAXBElement<T> root = u.unmarshal(source, docClass);
        return root.getValue();
    }
}