Problem creating xml

[TiMIBoY Muff]

Hi there

I am trying to create a simple xml document.

I have never found a good documentation about it, so I just try it like this:

        Element response = new Element("Artikelliste");
        Element artikel1 = new Element("Artikel");
        Element artikel2 = new Element("Artikel");
        artikel1.setAttribute("nummer", "5678");
        artikel1.setAttribute("bezeichnung", "KettenhandschuhXML");
        artikel2.setAttribute("nummer", "1011");
        artikel2.setAttribute("bezeichnung", "MesserXML");

        response.addChild(artikel1);
        response.addChild(artikel2);

        OutputStream os = Storage.getInstance().createOutputStream("test1234.xml");
        OutputStreamWriter writer = new OutputStreamWriter(os);
        XMLWriter xmlWriter = new XMLWriter(false);        
        xmlWriter.writeXML(writer, response);

        FileSystemStorage.getInstance().openOutputStream("test1234.xml").write(response.toString().getBytes());


I'm currently getting an IllegalArgumentException because of the last line, which says:
test1234.xml is not a valid path, use FileSystemStorage.getInstance().getAppHomePath() to get a valid dir path to read / write files

If I correct the corresponding line it looks like this:
FileSystemStorage.getInstance().openOutputStream(FileSystemStorage.getInstance().getAppHomePath()).write(response.toString().getBytes());

But the program cannot know which document is meant??! When I run the code like this, there is no error message and nothing happens...

Thanks for help! :)

[Shai Almog]

Hi,
see this: https://stackoverflow.com/a/60065977/756809