@Override
protected void doDelete(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String id = request.getParameter("id");
response.setContentType("text/html");
if (id == null) {
response.setStatus(400);
response.getWriter().println("{\"error\":\"Specify id as param\"}");
return;
}
int idInt;
try {
idInt = Integer.valueOf(id);
} catch (NumberFormatException e) {
response.setStatus(400);
response.getWriter().println("{\"error\":\"Wrong format of id\"}");
return;
}
DatabaseRequestStatus status = DatabaseHandler.getInstance().deleteTask(idInt);
TaskExecutionHelper.getInstance().stopTask(idInt);
if (status == DatabaseRequestStatus.ERROR) {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.getWriter().println("{\"error\":\"database error\"}");
} else {
response.setStatus(HttpServletResponse.SC_OK);
response.getWriter().println("{\"success\":\"OK\"}");
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
response.setStatus(HttpServletResponse.SC_OK);
List<Task> tasks = DatabaseHandler.getInstance().getAll();
TaskExecutionHelper.getInstance().updateStatusOfTasks(tasks);
response.getWriter().println(new Gson().toJson(tasks));
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
response.setStatus(HttpServletResponse.SC_OK);
Task task = new Gson().fromJson(readPostData(request), Task.class);
if (task.getScript() != null) {
int id = DatabaseHandler.getInstance().addNewTask(task.getScript());
task.setIdentifier(id);
TaskExecutionHelper.getInstance().addTask(task);
response
.getWriter()
.println("{\"status\":\"Task received\"," + "\"identifier\":\"" + id + "\"}");
} else {
response.getWriter().println("{\"error\":\"Wrong format\"}");
}
}