get Item from XML String using StAX parser - Java XML

Java examples for XML:XMLEventReader

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Description

get Item from XML String using StAX parser

Demo Code


import java.io.StringReader;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;

public class Main{
    public static void main(String[] argv) throws Exception{
        String line = "java2s.com";
        String element = "java2s.com";
        System.out.println(getItem(line,element));
    }/*from   w  w w  . jav  a2  s  .c  om*/
    public static String getItem(String line, String element)
            throws XMLStreamException {
        String title = null;

        XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
        XMLEventReader xmlEventReader = xmlInputFactory
                .createXMLEventReader(new StringReader(line));
        while (xmlEventReader.hasNext()) {
            XMLEvent xmlEvent = xmlEventReader.nextEvent();
            if (xmlEvent.isStartElement()) {
                StartElement startElement = xmlEvent.asStartElement();
                if (startElement.getName().getLocalPart()
                        .equalsIgnoreCase("row")) {
                    title = getStringElement(startElement, element);
                }
            }
        }
        xmlEventReader.close();
        return title;
    }
    public static String getStringElement(StartElement startElement,
            String elementName) {
        Attribute bodyAttr = startElement.getAttributeByName(new QName(
                elementName));
        String body = null;
        if (bodyAttr != null)
            body = bodyAttr.getValue();
        return body;
    }
}

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