public class SingleValueCalendarConverter implements com.thoughtworks.xstream.converters.Converter {


    public void marshal(Object source, HierarchicalStreamWriter writer,
            MarshallingContext context) {
        Calendar calendar = (Calendar) source;
        String date = DateUtil.parseString( calendar.getTime(), DateUtil.DD_MM_YYYY_HH_MM_SS);
        writer.setValue(String.valueOf( date ) );
    }
    public HierarchicalStreamWriter createWriter(Writer out) {
        return new PrettyPrintWriter(out) {
              protected void writeText(QuickWriter writer, String text) {
                    writer.write("<[CDATA[");
                    writer.write(text);
                    writer.write("]]>");
           }
        };
    }
    public Object unmarshal(HierarchicalStreamReader reader,
            UnmarshallingContext context) {
        try {
            GregorianCalendar calendar = new GregorianCalendar();
            Date date = DateUtil.parseDate(reader.getValue(), DateUtil.DD_MM_YYYY_HH_MM_SS);
            calendar.setTime(date);
            return calendar;
        } catch (Exception e) {
            Log.e(this.getClass().getSimpleName(), e.getLocalizedMessage(), e);
        }
        return null;

    }

    public boolean canConvert(Class type) {
        return type.equals(GregorianCalendar.class);
    }



}