diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java')
-rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java deleted file mode 100644 index 6643c276..00000000 --- a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java +++ /dev/null @@ -1,273 +0,0 @@ -package de.thedevstack.conversationsplus.persistance; - -import android.content.Intent; -import android.graphics.Bitmap; -import android.net.Uri; -import android.os.Environment; -import android.util.Log; -import android.webkit.MimeTypeMap; - -import java.io.File; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.text.SimpleDateFormat; -import java.util.Date; -import java.util.Locale; - -import de.thedevstack.android.logcat.Logging; -import de.thedevstack.conversationsplus.ConversationsPlusApplication; -import de.thedevstack.conversationsplus.ConversationsPlusPreferences; -import de.thedevstack.conversationsplus.entities.FileParams; -import de.thedevstack.conversationsplus.exceptions.FileCopyException; -import de.thedevstack.conversationsplus.persistance.observers.FileDeletionObserver; -import de.thedevstack.conversationsplus.utils.StreamUtil; -import de.thedevstack.conversationsplus.Config; -import de.thedevstack.conversationsplus.R; -import de.thedevstack.conversationsplus.entities.DownloadableFile; -import de.thedevstack.conversationsplus.entities.Message; -import de.thedevstack.conversationsplus.services.XmppConnectionService; -import de.thedevstack.conversationsplus.utils.XmppConnectionServiceAccessor; - -public class FileBackend { - private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US); - private static FileBackend INSTANCE; - - private FileDeletionObserver privateFilesDirectoryObserver; - private FileDeletionObserver privateFilesImageDirectoryObserver; - private FileDeletionObserver conversationsFilesDirectoryObserver; - private FileDeletionObserver conversationsImagesDirectoryObserver; - - public static void init() { - if (null == INSTANCE) { - INSTANCE = new FileBackend(); - } - INSTANCE.initFileObservers(); - INSTANCE.createNoMedia(); - } - - private void initFileObservers() { - this.privateFilesDirectoryObserver = new FileDeletionObserver(FileBackend.getPrivateFileDirectoryPath()); - this.privateFilesImageDirectoryObserver = new FileDeletionObserver(FileBackend.getConversationsFileDirectory()); - this.conversationsFilesDirectoryObserver = new FileDeletionObserver(FileBackend.getConversationsImageDirectory()); - this.conversationsImagesDirectoryObserver = new FileDeletionObserver(FileBackend.getPrivateImageDirectoryPath()); - - this.privateFilesDirectoryObserver.startWatching(); - this.privateFilesImageDirectoryObserver.startWatching(); - this.conversationsFilesDirectoryObserver.startWatching(); - this.conversationsImagesDirectoryObserver.startWatching(); - } - - private void createNoMedia() { - final File nomedia = new File(getConversationsFileDirectory()+".nomedia"); - if (!nomedia.exists()) { - try { - nomedia.createNewFile(); - } catch (Exception e) { - Log.d(Config.LOGTAG, "could not create nomedia file"); - } - } - } - - public static void onFileTransferFolderChanged() { - INSTANCE.conversationsFilesDirectoryObserver.stopWatching(); - INSTANCE.conversationsFilesDirectoryObserver = new FileDeletionObserver(FileBackend.getConversationsFileDirectory()); - INSTANCE.conversationsFilesDirectoryObserver.startWatching(); - INSTANCE.createNoMedia(); - } - - public static void onImageTransferFolderChanged() { - INSTANCE.conversationsImagesDirectoryObserver.stopWatching(); - INSTANCE.conversationsImagesDirectoryObserver = new FileDeletionObserver(FileBackend.getConversationsImageDirectory()); - INSTANCE.conversationsImagesDirectoryObserver.startWatching(); - } - - public static void updateMediaScanner(File file, XmppConnectionService xmppConnectionService) { - if (file.getAbsolutePath().startsWith(getConversationsImageDirectory())) { - Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); - intent.setData(Uri.fromFile(file)); - xmppConnectionService.sendBroadcast(intent); - } - } - - public static boolean deleteFile(Message message) { - File file = getFile(message); - if (file.delete()) { - updateMediaScanner(file, XmppConnectionServiceAccessor.xmppConnectionService); - return true; - } else { - return false; - } - } - - public static DownloadableFile getFile(Message message) { - return getFile(message, true); - } - - public static DownloadableFile getFile(Message message, boolean decrypted) { - DownloadableFile downloadableFile = new DownloadableFile(getFilePath(message, decrypted)); - FileParams fileParams = message.getFileParams(); - if (null != fileParams) { - if (null != fileParams.getKey()) { - downloadableFile.setKey(fileParams.getKey()); - } - if (null != fileParams.getIv()) { - downloadableFile.setIv(fileParams.getIv()); - } - } - - return downloadableFile; - } - - protected static String getFilePath(Message message, String extension) { - String path = FileBackend.getFilePath(message, true); - if (!path.endsWith(extension)) { - path += "." + extension; - } - - return path; - } - - protected static String getFilePath(Message message, Uri uri) { - String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri); - String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime); - - return getFilePath(message, extension); - } - - protected static String getFilePath(Message message, boolean decrypted) { - final boolean encrypted = !decrypted - && (message.getEncryption() == Message.ENCRYPTION_PGP - || message.getEncryption() == Message.ENCRYPTION_DECRYPTED); - FileParams fileParams = message.getFileParams(); - if (null == fileParams) { - fileParams = new FileParams(); - message.setFileParams(fileParams); - } - String path = fileParams.getPath(); - - if (null == path) { // File does not yet exist - path = message.getUuid(); - String mime = message.getMimeType(); - if (mime != null && mime.startsWith("image")) { // TODO: Check if this can be determined in a better way - path = getConversationsImageDirectory() + path; - } else { - path = getConversationsFileDirectory() + path; - } - String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime); - path += "." + extension; - - fileParams.setPath(path); - } - if (encrypted) { - path += ".pgp"; - } - return path; - } - - public static String getConversationsFileDirectory() { - return Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + ConversationsPlusPreferences.fileTransferFolder() + File.separator; - } - - public static String getConversationsImageDirectory() { - return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath() + File.separator + ConversationsPlusPreferences.imgTransferFolder() + File.separator; - } - - public static String getPrivateFileDirectoryPath() { - return ConversationsPlusApplication.getPrivateFilesDir().getAbsolutePath(); - } - - private static String getPrivateImageDirectoryPath() { - return FileBackend.getPrivateFileDirectoryPath() + File.separator + "Images" + File.separator; - } - - public static void copyFileToPrivateStorage(File file, Uri uri) throws FileCopyException { - file.getParentFile().mkdirs(); - OutputStream os = null; - InputStream is = null; - try { - file.createNewFile(); - os = new FileOutputStream(file); - is = StreamUtil.openInputStreamFromContentResolver(uri); - byte[] buffer = new byte[1024]; - int length; - while ((length = is.read(buffer)) > 0) { - os.write(buffer, 0, length); - } - os.flush(); - } catch(FileNotFoundException e) { - throw new FileCopyException(R.string.error_file_not_found); - } catch (IOException e) { - e.printStackTrace(); - throw new FileCopyException(R.string.error_io_exception); - } finally { - StreamUtil.close(os); - StreamUtil.close(is); - } - Logging.d(Config.LOGTAG, "output file name " + file); - } - - public static void copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException { - Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage"); - String path = getFilePath(message, uri); - message.getFileParams().setPath(path); - message.setRelativeFilePath(path); // TODO: Remove - copyFileToPrivateStorage(getFile(message), uri); - } - - public static DownloadableFile compressImageAndCopyToPrivateStorage(Message message, Bitmap scaledBitmap) throws FileCopyException { - String path = getFilePath(message, "jpg"); - message.getFileParams().setPath(path); - message.setRelativeFilePath(path); // TODO: Remove - DownloadableFile file = getFile(message); - file.getParentFile().mkdirs(); - OutputStream os = null; - try { - file.createNewFile(); - os = new FileOutputStream(file); - - boolean success = scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 75, os); - if (!success) { - throw new FileCopyException(R.string.error_compressing_image); - } - os.flush(); - } catch (IOException e) { - throw new FileCopyException(R.string.error_io_exception, e); - } catch (SecurityException e) { - throw new FileCopyException(R.string.error_security_exception_during_image_copy); - } catch (NullPointerException e) { - throw new FileCopyException(R.string.error_io_exception); - } finally { - StreamUtil.close(os); - } - return file; - } - - public static Uri getTakePhotoUri() { - StringBuilder pathBuilder = new StringBuilder(); - pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM)); - pathBuilder.append('/'); - pathBuilder.append("Camera"); - pathBuilder.append('/'); - pathBuilder.append("IMG_" + imageDateFormat.format(new Date()) + ".jpg"); - Uri uri = Uri.parse("file://" + pathBuilder.toString()); - File file = new File(uri.toString()); - file.getParentFile().mkdirs(); - return uri; - } - - public static Uri getJingleFileUri(Message message) { - File file = getFile(message); - return Uri.parse("file://" + file.getAbsolutePath()); - } - - public static boolean isFileAvailable(Message message) { - return getFile(message).exists(); - } - - private FileBackend() { - // Static helper class - } -} |