Java HTML/XML - 如何请检查开始元素和标记名称

import java.io.File;
import java.io.FileInputStream;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;

public class Main {
  public static void main(String[] args) throws Exception {
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLEventReader xmlr = xif.createXMLEventReader((new FileInputStream(new File("./file.xml"))));

    boolean inline = false;
    StringBuffer sb = new StringBuffer();
    while (xmlr.hasNext()) {
      XMLEvent event = xmlr.nextEvent();

      if (event.isStartElement()) {
        StartElement element = (StartElement) event;
        if ("data".equals(element.getName().toString().trim())) {
          inline = true;
        }
      }

      if (inline) {
        sb.append(xmlr.peek());
      }

      if (event.isEndElement()) {
        EndElement element = (EndElement) event;
        if ("data".equals(element.getName().toString().trim())) {
          inline = false;
          System.out.println(sb.toString());
          sb.setLength(0);
        }
      }
    }
  }
}