How to convert rtf to XML

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Java

i need to convert rtf file to xml file.
The xml file will contain, if the text in rtf file is bold then we have to specify the bold in xml file.
The requerements same as bold and it has to check 2.italic
3.alignment
4.paragraphs
5.spacing

What I have tried:

i tried to convert rtf to text but i didn't find any jar file for rtfToHtml method

String rtfText;
			String rtfToHtml(Reader rtf) {
		    JEditorPane p = new JEditorPane();
		    p.setContentType("text/rtf");
		    String htmlText = rtfToHtml(new FileReader(new File("myfile.rtf")));
		    EditorKit kitRtf = p.getEditorKitForContentType("text/rtf");
		    try {
		        kitRtf.read(rtf, p.getDocument(), 0);
		        kitRtf = null;
		        EditorKit kitHtml = p.getEditorKitForContentType("text/html");
		        Writer writer = new StringWriter();
		        kitHtml.write(writer, p.getDocument(), 0, p.getDocument().getLength());
		        return writer.toString();
		    } catch (BadLocationException e) {
		        e.printStackTrace();
		    }
		    return null;
		}