@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);
}
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();
}
}