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; }