예제 #1
0
 @RequestMapping(value = "/history", method = RequestMethod.GET)
 public void getHistory(
     final HttpServletResponse httpServletResponse,
     @RequestParam(value = "index", defaultValue = "0") int index,
     @RequestParam(value = "count", defaultValue = "${jahspotify.history.default-count}")
         int count) {
   final Collection<TrackHistory> history = _historicalStorage.getHistory(index, count, null);
   httpServletResponse.setContentType("application/json");
   serializeHistoryCursor(history, httpServletResponse);
 }
예제 #2
0
  public void serializeHistoryCursor(
      Collection<TrackHistory> historyCursor, HttpServletResponse httpServletResponse) {
    try {
      final ServletOutputStream httpOutputStream = httpServletResponse.getOutputStream();
      final BufferedWriter outputStream =
          new BufferedWriter(new OutputStreamWriter(httpOutputStream));
      outputStream.write("{");
      outputStream.write("\"count\":");
      outputStream.write("" + historyCursor.size());

      if (historyCursor.size() > 0) {
        Gson gson = new Gson();

        outputStream.write(",");
        outputStream.write("\"tracks\":[");

        for (Iterator<TrackHistory> iterator = historyCursor.iterator(); iterator.hasNext(); ) {
          TrackHistory next = iterator.next();
          outputStream.write(gson.toJson(toWebTrack(next)));
          if (iterator.hasNext()) {
            outputStream.write(",");
          }
          outputStream.flush();
        }

        /*
                        while (historyCursor.hasNext())
                        {
                            outputStream.write(gson.toJson(toWebTrack(historyCursor.next())));
                            if (historyCursor.hasNext())
                            {
                                outputStream.write(",");
                            }
                            outputStream.flush();
                        }
        */
        outputStream.write("]");
      }
      outputStream.write("}");
      outputStream.flush();
      outputStream.close();
      httpOutputStream.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }