public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
try {
ServletFileUpload upload = new ServletFileUpload();
res.setContentType("text/plain");
KanjiDao dao = new KanjiDao();
FileItemIterator iterator = upload.getItemIterator(req);
while (iterator.hasNext()) {
FileItemStream item = iterator.next();
InputStream stream = item.openStream();
if (item.isFormField()) {
log.warning("Got a form field: " + item.getFieldName());
} else {
log.info("Got an uploaded file: " + item.getFieldName() + ", name = " + item.getName());
KanjSvgParser parser = new KanjSvgParser(stream);
Kanji kanji = parser.parse();
if (kanji == null) {
log.warning("Could not parse SVG");
continue;
}
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
Kanji existing = dao.findKanji(pm, kanji.getUnicodeNumber());
if (existing == null) {
log.warning(
String.format("Kanji %s not found. Nothing to update", kanji.getUnicodeNumber()));
continue;
}
List<Stroke> newStrokes = kanji.getStrokes();
List<Stroke> existingStrokes = existing.getStrokes();
for (int i = 0; i < existingStrokes.size(); i++) {
Stroke s = newStrokes.get(i);
Stroke old = existingStrokes.get(i);
log.info("old stroke: " + old);
log.info("new stroke: " + s);
old.setPath(s.getPath());
old.setNumber(s.getNumber());
}
log.info(
String.format(
"Updated strokes for %s(%s)",
existing.getMidashi(), existing.getUnicodeNumber()));
log.info(String.format("Removing %s from cache", existing.getUnicodeNumber()));
CacheController.remove(existing.getUnicodeNumber());
} finally {
pm.close();
}
}
res.sendRedirect("/update-strokes.xhtml");
}
} catch (Exception ex) {
throw new ServletException(ex);
}
}
