private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name) throws IOException, FileNotFoundException { if (fileEntry == null) fileEntry = zip.getEntry(name); if (fileEntry == null) throw new FileNotFoundException("Can't find " + name + " in " + zip.getName()); File outFile = new File(sGREDir, name); if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize()) return false; File dir = outFile.getParentFile(); if (!dir.exists()) dir.mkdirs(); InputStream fileStream; fileStream = zip.getInputStream(fileEntry); OutputStream outStream = new FileOutputStream(outFile); while (fileStream.available() > 0) { int read = fileStream.read(buf, 0, buf.length); outStream.write(buf, 0, read); } fileStream.close(); outStream.close(); outFile.setLastModified(fileEntry.getTime()); return true; }
public String readFromFile() { String ret = ""; try { InputStream inputStream = context.openFileInput("locations.json"); if (inputStream != null) { InputStreamReader inputStreamReader = new InputStreamReader(inputStream); BufferedReader bufferedReader = new BufferedReader(inputStreamReader); String receiveString = ""; StringBuilder stringBuilder = new StringBuilder(); while ((receiveString = bufferedReader.readLine()) != null) { stringBuilder.append(receiveString); } inputStream.close(); ret = stringBuilder.toString(); } } catch (FileNotFoundException ex) { Log.e("login activity", "File not found: " + ex.toString()); } catch (IOException ex) { Log.e("login activity", "Can not read file: " + ex.toString()); } return ret; }
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { String filePickerResult = ""; if (data != null && resultCode == RESULT_OK) { try { ContentResolver cr = getContentResolver(); Uri uri = data.getData(); Cursor cursor = GeckoApp.mAppContext .getContentResolver() .query(uri, new String[] {OpenableColumns.DISPLAY_NAME}, null, null, null); String name = null; if (cursor != null) { try { if (cursor.moveToNext()) { name = cursor.getString(0); } } finally { cursor.close(); } } String fileName = "tmp_"; String fileExt = null; int period; if (name == null || (period = name.lastIndexOf('.')) == -1) { String mimeType = cr.getType(uri); fileExt = "." + GeckoAppShell.getExtensionFromMimeType(mimeType); } else { fileExt = name.substring(period); fileName = name.substring(0, period); } File file = File.createTempFile(fileName, fileExt, sGREDir); FileOutputStream fos = new FileOutputStream(file); InputStream is = cr.openInputStream(uri); byte[] buf = new byte[4096]; int len = is.read(buf); while (len != -1) { fos.write(buf, 0, len); len = is.read(buf); } fos.close(); filePickerResult = file.getAbsolutePath(); } catch (Exception e) { Log.e(LOG_FILE_NAME, "showing file picker", e); } } try { mFilePickerResult.put(filePickerResult); } catch (InterruptedException e) { Log.i(LOG_FILE_NAME, "error returning file picker result", e); } }
public void downloadFile(String url, String savePath, String fileName) { try { URL theURL = new URL(url); InputStream input = theURL.openStream(); OutputStream output = new FileOutputStream(new File(savePath, fileName)); try { byte[] buffer = new byte[1024]; int bytesRead = 0; while ((bytesRead = input.read(buffer, 0, buffer.length)) >= 0) { output.write(buffer, 0, bytesRead); } } catch (Exception e) { debug(e.toString()); } finally { output.close(); } } catch (Exception e) { debug(e.toString()); } }
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; }