Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.IOException;
import java.io.StringReader;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;

public class Main {
    private static XMLInputFactory inFactory = XMLInputFactory.newInstance();

    public static void main(String[] args) throws XMLStreamException, IOException {

        String xmlRecord = "<emplist>\n" + //
                "<emp>\n" + //
                "   <manager>\n" + //
                "   <id>1</id>\n" + //
                "   <name>foo</name>\n" + //
                "   </manager>\n" + //
                "</emp>\n" + //
                "<emp>\n" + //
                "   <clerk>\n" + //
                "   <cid>1</cid>\n" + //
                "   <cname>foo</cname>\n" + //
                "   </clerk>\n" + //
                "</emp>\n" + //
                " </emplist>";

        String flatXmlRecord = flattenXmlRecord(xmlRecord);
        System.out.print(flatXmlRecord);
    }

    private static String flattenXmlRecord(final String xmlRecord) throws XMLStreamException {
        StringBuilder flatXmlRecord = new StringBuilder();
        XMLEventReader eventReader = inFactory.createXMLEventReader(new StringReader(xmlRecord));
        while (eventReader.hasNext()) {
            XMLEvent event = eventReader.nextEvent();
            if (event.getEventType() != XMLEvent.START_ELEMENT) {
                continue;
            }
            String elementName = event.asStartElement().getName().getLocalPart();
            event = eventReader.nextEvent();
            if (event.getEventType() != XMLEvent.CHARACTERS) {
                continue;
            }
            if (event.asCharacters().getData().trim().isEmpty()) {
                continue;
            }
            flatXmlRecord.append(elementName + ", " + event.asCharacters().getData() + "\n");

        }
        return flatXmlRecord.toString();
    }
}