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;

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

        Object unmarshalledObject = null;
        StringReader readerXSD = null;
        StringReader readerXML = null;

        try {
            JAXBContext jaxbCtx = JAXBContext.newInstance(dummyCtxObject.getClass().getPackage().getName());
            Unmarshaller unmarshaller = jaxbCtx.createUnmarshaller();
            readerXSD = new StringReader(strXSD);
            readerXML = new StringReader(strXML);

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

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

        return unmarshalledObject;
    }
}