@Override
public void run() {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
while (info.redirect < MAX_REDIRECTS) {
HttpURLConnection conn = null;
try {
conn = (HttpURLConnection) new URL(info.realUrl).openConnection();
conn.setInstanceFollowRedirects(false);
conn.setConnectTimeout(DEFAULT_TIMEOUT);
conn.setReadTimeout(DEFAULT_TIMEOUT);
addRequestHeaders(conn);
final int code = conn.getResponseCode();
switch (code) {
case HTTP_OK:
case HTTP_PARTIAL:
dlInit(conn, code);
return;
case HTTP_MOVED_PERM:
case HTTP_MOVED_TEMP:
case HTTP_SEE_OTHER:
case HTTP_NOT_MODIFIED:
case HTTP_TEMP_REDIRECT:
final String location = conn.getHeaderField("location");
if (TextUtils.isEmpty(location))
throw new DLException("Can not obtain real url from location in header.");
info.realUrl = location;
info.redirect++;
continue;
default:
if (info.hasListener) info.listener.onError(code, conn.getResponseMessage(), info);
EventBus.getDefault().post(info, "onError");
DLManager.getInstance(context).removeDLTask(info.baseUrl);
info.state = DLState.FAIL;
try {
mDLInfoDao.update(info);
} catch (SQLException e1) {
e1.printStackTrace();
}
return;
}
} catch (Exception e) {
if (info.hasListener) info.listener.onError(ERROR_OPEN_CONNECT, e.toString(), info);
EventBus.getDefault().post(info, "onError");
DLManager.getInstance(context).removeDLTask(info.baseUrl);
info.state = DLState.FAIL;
try {
mDLInfoDao.update(info);
} catch (SQLException e1) {
e1.printStackTrace();
}
return;
} finally {
if (null != conn) conn.disconnect();
}
}
throw new RuntimeException("Too many redirects");
}
