protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String userId = (String) request.getSession().getAttribute("id");
ContestManager contestManager = SessionUtil.getInstance().getContestManager();
Contest contest = contestManager.getContest(request);
if (contest == null || !contest.isRunning()) {
response.sendRedirect("main?error=13");
return;
}
try {
// request parsing
HttpPostFileParser postFileParser = new HttpPostFileParser();
// convert from KBytes to bytes
int maxUploadSize = contest.getMaxUploadSize() * 1024;
postFileParser.init(request, maxUploadSize);
if (postFileParser.nFile == 0) {
response.sendRedirect("main?error=12");
return;
}
String srcFile = postFileParser.upFile[0].pc_file_name;
if (srcFile != null)
srcFile = FilenameUtils.getName(srcFile);
String taskName = contestManager.getTaskFromFilename(contest, srcFile, postFileParser.getParameter("task"));
String language = contestManager.getLanguageFromFilename(contest, srcFile, postFileParser.getParameter("language"));
Task task = contest.getTaskByName(taskName);
// TODO: export these as error messages or sth
if (task == null || taskName == null) {
User user = contestManager.getUser(contest.getId(), userId);
user.setStrLastTaskSubmit("Invalid task name!\nThe task you are trying to submit is not part of the contest you are registered in.");
user.setOutputSubmit(null);
response.sendRedirect("main");
return;
}
if (postFileParser.upFile[0].size > contest.getTaskByName(taskName).getMaxSubmitSize()) {
response.sendRedirect("main?error=14");
return;
}
if (contest.getTaskByName(taskName).getType() == Task.PROBLEM_TYPE_OUTPUT) {
String index = null;
int indexNumber = 0;
if (srcFile != null && srcFile.split("\\.").length >= 2)
index = srcFile.split("\\.")[1];
if ("txt".equals(index)) {
indexNumber = 1;
} else {
try {
indexNumber = Integer.parseInt(index);
if (indexNumber <= 0 ||
indexNumber > contest.getTaskByName(taskName).getNumberOfTests()) {
index = null;
}
} catch (NumberFormatException e) {
index = null;
}
}
if (index == null) {
User user = contestManager.getUser(contest.getId(), userId);
user.setStrLastTaskSubmit("Invalid file name!\nFormat is [taskname].[case_number].txt (e.g. output.10.txt).");
user.setOutputSubmit(null);
response.sendRedirect("main");
return;
}
// TODO: remove HACK
language = String.format("%0" + Task.TESTCASE_PADDING_LENGTH + "d", indexNumber);
}
if (language == null) {
User user = contestManager.getUser(contest.getId(), userId);
user.setStrLastTaskSubmit("Invalid language!");
user.setOutputSubmit(null);
response.sendRedirect("main");
return;
}