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package de.danoeh.antennapod.service.download;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.util.Log;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.asynctask.DownloadStatus;
import de.danoeh.antennapod.util.DownloadError;
public class HttpDownloader extends Downloader {
private static final String TAG = "HttpDownloader";
private static final int BUFFER_SIZE = 8 * 1024;
public HttpDownloader(DownloadService downloadService, DownloadStatus status) {
super(downloadService, status);
}
@Override
protected void download() {
HttpURLConnection connection = null;
OutputStream out = null;
try {
status.setStatusMsg(R.string.download_pending);
publishProgress();
URL url = new URL(status.getFeedFile().getDownload_url());
connection = (HttpURLConnection) url.openConnection();
if (AppConfig.DEBUG) {
Log.d(TAG, "Connected to resource");
}
File destination = new File(status.getFeedFile().getFile_url());
if (!destination.exists()) {
InputStream in = new BufferedInputStream(
connection.getInputStream());
out = new BufferedOutputStream(
new FileOutputStream(destination));
byte[] buffer = new byte[BUFFER_SIZE];
int count = 0;
status.setStatusMsg(R.string.download_running);
if (AppConfig.DEBUG) Log.d(TAG, "Getting size of download");
status.setSize(connection.getContentLength());
if (AppConfig.DEBUG) Log.d(TAG, "Size is " + status.getSize());
publishProgress();
if (AppConfig.DEBUG) Log.d(TAG, "Starting download");
while ((count = in.read(buffer)) != -1 && !isInterrupted()) {
out.write(buffer, 0, count);
status.setSoFar(status.getSoFar() + count);
status.setProgressPercent((int) (((double) status.getSoFar() / (double) status.getSize()) * 100));
}
if (isInterrupted()) {
onCancelled();
} else {
onSuccess();
}
} else {
onFail(DownloadError.ERROR_FILE_EXISTS);
}
} catch (MalformedURLException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_MALFORMED_URL);
} catch (IOException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_IO_ERROR);
} finally {
if (connection != null) {
connection.disconnect();
}
if (out != null) {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private void onSuccess() {
if (AppConfig.DEBUG)
Log.d(TAG, "Download was successful");
status.setSuccessful(true);
status.setDone(true);
}
private void onFail(int reason) {
if (AppConfig.DEBUG) {
Log.d(TAG, "Download failed");
}
status.setReason(reason);
status.setDone(true);
status.setSuccessful(false);
}
private void onCancelled() {
if (AppConfig.DEBUG) Log.d(TAG, "Download was cancelled");
status.setReason(DownloadError.ERROR_DOWNLOAD_CANCELLED);
status.setDone(true);
status.setSuccessful(false);
}
}
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