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.FileInputStream;

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 file path using XSD string and return the resulting JAXB content tree
     * 
     * @param dummyCtxObject
     *            Dummy contect object for creating related JAXB context
     * @param strXMLFilePath
     *            XML file path
     * @param strXSD
     *            XSD
     * @return resulting JAXB content tree
     * @throws Exception
     *             in error case
     */
    public static Object doUnmarshallingFromXMLFile(Object dummyCtxObject, String strXMLFilePath, String strXSD)
            throws Exception {
        if (dummyCtxObject == null) {
            throw new RuntimeException("No dummy context object (null)!");
        }
        if (strXMLFilePath == null) {
            throw new RuntimeException("No XML file path (null)!");
        }
        if (strXSD == null) {
            throw new RuntimeException("No XSD (null)!");
        }

        Object unmarshalledObject = null;

        try {
            JAXBContext jaxbCtx = JAXBContext.newInstance(dummyCtxObject.getClass().getPackage().getName());
            Unmarshaller unmarshaller = jaxbCtx.createUnmarshaller();
            // unmarshaller.setValidating(true);
            /*
            javax.xml.validation.Schema schema =
            javax.xml.validation.SchemaFactory.newInstance(
            javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(
            new java.io.File(m_strXSDFilePath));
             */
            StringReader reader = null;
            FileInputStream fis = null;
            try {
                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);

                fis = new FileInputStream(strXMLFilePath);
                unmarshalledObject = unmarshaller.unmarshal(fis);
            } finally {
                if (fis != null) {
                    fis.close();
                    fis = null;
                }
                if (reader != null) {
                    reader.close();
                    reader = null;
                }
            }
            // } catch (JAXBException e) {
            // //m_logger.error(e);
            // throw new OrderException(e);
        } catch (Exception e) {
            //            Logger.XMLEval.logState("Unmarshalling failed: " + e.getMessage(), LogLevel.Error);
            throw e;
        }

        return unmarshalledObject;
    }
}