private boolean is200(String url) {
if (DEBUG) log("is200() :: url=%s", url);
HttpURLConnection conn = null;
try {
conn = (HttpURLConnection) new URL(url).openConnection();
return conn.getResponseCode() == 200;
} catch (Exception ex) {
if (DEBUG) ex.printStackTrace();
return false;
} finally {
if (conn != null)
try {
conn.disconnect();
} catch (Exception ex) {
if (DEBUG) ex.printStackTrace();
}
}
}
protected Boolean doInBackground(ArrayList... params) {
download_photos.this.runOnUiThread(
new Runnable() {
public void run() {
mtext.setText(
getText(R.string.download_textview_message_1) + " " + path.toString() + ". ");
}
});
if (resume_file.exists()) {
initial_value = readProgress()[0];
} else {
initial_value = 1;
}
for (int i = initial_value - 1; i < links.size(); i++) {
// asynctask expects more than one ArrayList<String> item, but we are sending only one,
// which is params[0]
Uri imageuri = Uri.parse(params[0].get(i).toString());
URL imageurl = null;
HttpURLConnection connection = null;
total_files_to_download = links.size();
completed_downloads = i + 1;
try {
imageurl = new URL(params[0].get(i).toString());
connection = (HttpURLConnection) imageurl.openConnection();
connection.connect();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// extracts the real file name of the photo from url
path_segments = imageuri.getPathSegments();
int total_segments = path_segments.size();
file_name = path_segments.get(total_segments - 1);
path.mkdirs();
// if(i==0)
// first_image = path.toString() + "/" + file_name;
InputStream input;
OutputStream output;
try {
input = new BufferedInputStream(imageurl.openStream());
fully_qualified_file_name = new File(path, file_name);
output = new BufferedOutputStream(new FileOutputStream(fully_qualified_file_name));
byte data[] = new byte[1024];
int count;
while ((count = input.read(data)) != -1) {
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
connection.disconnect();
new folder_scanner(getApplicationContext(), fully_qualified_file_name);
publishProgress(completed_downloads, total_files_to_download);
if (this.isCancelled()) {
writeProgress(completed_downloads, total_files_to_download);
break;
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// creates required folders and subfolders if they do not exist already
// boolean success = path.mkdirs();
// makes request to download photos
// DownloadManager.Request request = new DownloadManager.Request(imageuri);
// set path for downloads
// request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES,sub_path);
// request.setDescription("Downloaded using Facebook Album Downloader");
// DownloadManager dm = (DownloadManager)getSystemService(DOWNLOAD_SERVICE);
// download is enqueue in download list. it returns unique id for each download
// download_id = dm.enqueue(request);
}
// returns the unique id. we are not using this id
return true;
}