/** * Executes a query. * * @param query query to be executed * @return list of serialized result items * @throws IOException error during query execution */ private StringList execute(final WebDAVQuery query) throws IOException { final ClassLoader cl = getClass().getClassLoader(); final InputStream s = cl.getResourceAsStream(FILE); if (s == null) throw new IOException("WebDAV module not found"); final byte[] module = new IOStream(s).read(); final QueryProcessor qp = new QueryProcessor(query.toString(), http.context()); try { for (final Entry<String, Object> entry : query.entries()) { qp.bind(entry.getKey(), entry.getValue()); } qp.ctx.parseLibrary(string(module), FILE, qp.sc); final Result r = qp.execute(); final int n = (int) r.size(); final StringList items = new StringList(n); for (int i = 0; i < n; i++) { final ArrayOutput ao = new ArrayOutput(); r.serialize(Serializer.get(ao), 0); items.add(ao.toString()); } return items; } catch (final QueryException ex) { throw new BaseXException(ex); } catch (final Exception ex) { Util.debug(ex); throw new BaseXException(ex); } finally { qp.close(); } }