public void runInternal() {
connection = null;
try {
setProgressMessage(url.toString(), -1);
long startTimeStamp = System.currentTimeMillis();
delayedProgress =
coolReader.getEngine().showProgressDelayed(0, progressMessage, PROGRESS_DELAY_MILLIS);
URLConnection conn = url.openConnection();
if (conn instanceof HttpsURLConnection) {
onError("HTTPs is not supported yet");
return;
}
if (!(conn instanceof HttpURLConnection)) {
onError("Only HTTP supported");
return;
}
connection = (HttpURLConnection) conn;
connection.setRequestProperty("User-Agent", "CoolReader/3(Android)");
if (referer != null) connection.setRequestProperty("Referer", referer);
connection.setInstanceFollowRedirects(true);
connection.setAllowUserInteraction(false);
connection.setConnectTimeout(20000);
connection.setReadTimeout(40000);
connection.setDoInput(true);
String fileName = null;
String disp = connection.getHeaderField("Content-Disposition");
if (disp != null) {
int p = disp.indexOf("filename=");
if (p > 0) {
fileName = disp.substring(p + 9);
}
}
// connection.setDoOutput(true);
// connection.set
int response = -1;
response = connection.getResponseCode();
L.d("Response: " + response);
if (response != 200) {
onError("Error " + response);
return;
}
String contentType = connection.getContentType();
String contentEncoding = connection.getContentEncoding();
int contentLen = connection.getContentLength();
// connection.getC
L.d("Entity content length: " + contentLen);
L.d("Entity content type: " + contentType);
L.d("Entity content encoding: " + contentEncoding);
setProgressMessage(url.toString(), contentLen);
InputStream is = connection.getInputStream();
delayedProgress.cancel();
is = new ProgressInputStream(is, startTimeStamp, progressMessage, contentLen, 80);
final int MAX_CONTENT_LEN_TO_BUFFER = 256 * 1024;
boolean isZip = contentType != null && contentType.equals("application/zip");
if (expectedType != null) contentType = expectedType;
else if (contentLen > 0 && contentLen < MAX_CONTENT_LEN_TO_BUFFER) { // autodetect type
byte[] buf = new byte[contentLen];
if (is.read(buf) != contentLen) {
onError("Wrong content length");
return;
}
is.close();
is = null;
is = new ByteArrayInputStream(buf);
if (findSubstring(buf, "<?xml version=") >= 0 && findSubstring(buf, "<feed") >= 0)
contentType = "application/atom+xml"; // override type
}
if (contentType.startsWith("application/atom+xml")) {
L.d("Parsing feed");
parseFeed(is);
} else {
if (fileName == null) fileName = defaultFileName;
L.d("Downloading book: " + contentEncoding);
downloadBook(contentType, url.toString(), is, contentLen, fileName, isZip);
}
} catch (Exception e) {
L.e("Exception while trying to open URI " + url.toString(), e);
onError("Error occured while reading OPDS catalog");
} finally {
if (connection != null)
try {
connection.disconnect();
} catch (Exception e) {
// ignore
}
}
}
