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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.SocketTimeoutException;
import java.net.UnknownHostException;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.HttpClientParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import android.net.http.AndroidHttpClient;
import android.util.Log;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.PodcastApp;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.asynctask.DownloadStatus;
import de.danoeh.antennapod.util.DownloadError;
import de.danoeh.antennapod.util.StorageUtils;
public class HttpDownloader extends Downloader {
private static final String TAG = "HttpDownloader";
private static final int MAX_REDIRECTS = 5;
private static final int BUFFER_SIZE = 8 * 1024;
private static final int CONNECTION_TIMEOUT = 30000;
private static final int SOCKET_TIMEOUT = 30000;
public HttpDownloader(DownloaderCallback downloaderCallback,
DownloadStatus status) {
super(downloaderCallback, status);
}
private AndroidHttpClient createHttpClient() {
AndroidHttpClient httpClient = AndroidHttpClient.newInstance("");
HttpParams params = httpClient.getParams();
params.setIntParameter("http.protocol.max-redirects", MAX_REDIRECTS);
params.setBooleanParameter("http.protocol.reject-relative-redirect",
false);
HttpConnectionParams.setSoTimeout(params, SOCKET_TIMEOUT);
HttpConnectionParams.setConnectionTimeout(params, CONNECTION_TIMEOUT);
HttpClientParams.setRedirecting(params, true);
return httpClient;
}
@Override
protected void download() {
AndroidHttpClient httpClient = null;
OutputStream out = null;
InputStream connection = null;
try {
HttpGet httpGet = new HttpGet(status.getFeedFile()
.getDownload_url());
httpClient = createHttpClient();
HttpResponse response = httpClient.execute(httpGet);
HttpEntity httpEntity = response.getEntity();
int responseCode = response.getStatusLine().getStatusCode();
if (AppConfig.DEBUG)
Log.d(TAG, "Response code is " + responseCode);
if (responseCode == HttpURLConnection.HTTP_OK && httpEntity != null) {
if (StorageUtils.storageAvailable(PodcastApp.getInstance())) {
File destination = new File(status.getFeedFile()
.getFile_url());
if (!destination.exists()) {
connection = AndroidHttpClient.getUngzippedContent(httpEntity);
InputStream in = new BufferedInputStream(connection);
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(httpEntity.getContentLength());
if (AppConfig.DEBUG)
Log.d(TAG, "Size is " + status.getSize());
if (status.getSize() < 0) {
status.setSize(DownloadStatus.SIZE_UNKNOWN);
}
long freeSpace = StorageUtils.getFreeSpaceAvailable();
if (AppConfig.DEBUG)
Log.d(TAG, "Free space is " + freeSpace);
if (status.getSize() == DownloadStatus.SIZE_UNKNOWN
|| status.getSize() <= freeSpace) {
if (AppConfig.DEBUG)
Log.d(TAG, "Starting download");
while (!cancelled
&& (count = in.read(buffer)) != -1) {
out.write(buffer, 0, count);
status.setSoFar(status.getSoFar() + count);
status.setProgressPercent((int) (((double) status
.getSoFar() / (double) status.getSize()) * 100));
}
if (cancelled) {
onCancelled();
} else {
onSuccess();
}
} else {
onFail(DownloadError.ERROR_NOT_ENOUGH_SPACE, null);
}
} else {
Log.w(TAG, "File already exists");
onFail(DownloadError.ERROR_FILE_EXISTS, null);
}
} else {
onFail(DownloadError.ERROR_DEVICE_NOT_FOUND, null);
}
} else {
onFail(DownloadError.ERROR_HTTP_DATA_ERROR,
String.valueOf(responseCode));
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_MALFORMED_URL, e.getMessage());
} catch (SocketTimeoutException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_CONNECTION_ERROR, e.getMessage());
} catch (UnknownHostException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_UNKNOWN_HOST, e.getMessage());
} catch (IOException e) {
e.printStackTrace();
onFail(DownloadError.ERROR_IO_ERROR, e.getMessage());
} catch (NullPointerException e) {
// might be thrown by connection.getInputStream()
e.printStackTrace();
onFail(DownloadError.ERROR_CONNECTION_ERROR, status.getFeedFile()
.getDownload_url());
} finally {
IOUtils.closeQuietly(connection);
IOUtils.closeQuietly(out);
if (httpClient != null) {
httpClient.close();
}
}
}
private void onSuccess() {
if (AppConfig.DEBUG)
Log.d(TAG, "Download was successful");
status.setSuccessful(true);
status.setDone(true);
}
private void onFail(int reason, String reasonDetailed) {
if (AppConfig.DEBUG) {
Log.d(TAG, "Download failed");
}
status.setReason(reason);
status.setReasonDetailed(reasonDetailed);
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);
status.setCancelled(true);
}
}
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