Hi Leute! Weiß nicht warum der Error kommt.
Danke für die Antworten 
Java:
package de.Work.Times.Calculator.Handler;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import de.Work.Times.Calculator.Interface.IExportInterface;
import de.Work.Times.Calculator.Logic.StringFormater;
import de.Work.Times.Calculator.Model.WorkDay;
public class DomXmlHandler implements IExportInterface {
StringFormater strFormater = new StringFormater();
@Override
public void exportWorktimes(List<WorkDay> workDayList) throws Exception {
File xmlFile = new File("worktimesDom.xml");
DocumentBuilderFactory docBuildFactory = DocumentBuilderFactory
.newInstance();
DocumentBuilder docBuilder = docBuildFactory.newDocumentBuilder();
Document document = docBuilder.parse(xmlFile);
document.getDocumentElement().normalize();
Element workTime = document.createElement("worktime");
document.appendChild(workTime);
for (int i = 0; i < workDayList.size(); i++) {
strFormater.formatDateToString(workDayList);
Element date = document.createElement("date");
date.setAttribute("today", strFormater.getDate());
Element checkIn = document.createElement("checkin_time");
checkIn.appendChild(document.createTextNode(strFormater
.getCheckIn()));
date.appendChild(checkIn);
Element checkOut = document.createElement("checkout_time");
checkOut.appendChild(document.createTextNode(strFormater
.getCheckOut()));
date.appendChild(checkOut);
Element pauseStart = document.createElement("pause_start");
pauseStart.appendChild(document.createTextNode(strFormater
.getPauseStart()));
date.appendChild(pauseStart);
Element pauseEnd = document.createElement("pause_end");
pauseEnd.appendChild(document.createTextNode(strFormater
.getPauseEnd()));
date.appendChild(pauseEnd);
Element fullWork = document.createElement("worked_on_this_day");
fullWork.appendChild(document.createTextNode(strFormater
.getFullWork()));
date.appendChild(fullWork);
workTime.appendChild(date);
TransformerFactory transformerFactory = TransformerFactory
.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(document);
StreamResult result = new StreamResult(
new File("worktimesDom.xml"));
transformer.transform(source, result);
}
}
@Override
public void importWorktimes(List<WorkDay> workDayList) throws IOException {
// TODO Auto-generated method stub
}
}
