Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.StringReader;

import javax.xml.bind.JAXBContext;

import javax.xml.bind.Unmarshaller;

import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;

public class Main {
    /**
     * Unmarshal XML data from XML DOM document using XSD string and return the resulting JAXB content tree
     *
     * @param dummyJAXBObject
     *            Dummy contect object for creating related JAXB context
     * @param doc
     *            XML DOM document
     * @param strXSD
     *            XSD
     * @return resulting JAXB content tree
     * @throws Exception
     *             in error case
     */
    public static Object doUnmarshallingFromDOMDocument(Object dummyJAXBObject, Document doc, String strXSD)
            throws Exception {
        if (dummyJAXBObject == null) {
            throw new RuntimeException("No dummy context objekt (null)!");
        }
        if (doc == null) {
            throw new RuntimeException("No XML DOM document (null)!");
        }
        if (strXSD == null) {
            throw new RuntimeException("No XSD document (null)!");
        }

        Object unmarshalledObject = null;
        StringReader reader = null;

        try {
            JAXBContext jaxbCtx = JAXBContext.newInstance(dummyJAXBObject.getClass().getPackage().getName());
            Unmarshaller unmarshaller = jaxbCtx.createUnmarshaller();
            reader = new StringReader(strXSD);

            javax.xml.validation.Schema schema = javax.xml.validation.SchemaFactory
                    .newInstance(javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(new StreamSource(reader));
            unmarshaller.setSchema(schema);

            unmarshalledObject = unmarshaller.unmarshal(doc);
        } catch (Exception e) {
            //            Logger.XMLEval.logState("Unmarshalling failed: " + e.getMessage(), LogLevel.Error);
            throw e;
        } finally {
            if (reader != null) {
                reader.close();
                reader = null;
            }
        }

        return unmarshalledObject;
    }
}