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 | 232 |
1 files changed, 0 insertions, 232 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 5cc63065..00000000 --- a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java +++ /dev/null @@ -1,232 +0,0 @@ -package de.thedevstack.conversationsplus.persistance; - -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.net.URL; -import java.text.SimpleDateFormat; -import java.util.Arrays; -import java.util.Date; -import java.util.Locale; - -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.net.Uri; -import android.os.Environment; -import de.thedevstack.conversationsplus.utils.Logging; -import android.webkit.MimeTypeMap; - -import de.thedevstack.conversationsplus.Config; -import de.thedevstack.conversationsplus.ConversationsPlusApplication; -import de.thedevstack.conversationsplus.R; -import de.thedevstack.conversationsplus.entities.Transferable; -import de.thedevstack.conversationsplus.entities.DownloadableFile; -import de.thedevstack.conversationsplus.entities.Message; -import de.thedevstack.conversationsplus.exceptions.FileCopyException; -import de.thedevstack.conversationsplus.utils.ImageUtil; -import de.thedevstack.conversationsplus.utils.StreamUtil; - -public final class FileBackend { - - private static int IMAGE_SIZE = 1920; - - private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US); - - public static DownloadableFile getFile(Message message) { - return getFile(message, true); - } - - public static DownloadableFile getFile(Message message, boolean decrypted) { - String path = message.getRelativeFilePath(); - String extension; - if (path != null && !path.isEmpty()) { - String[] parts = path.split("\\."); - extension = "."+parts[parts.length - 1]; - } else { - if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_TEXT) { - extension = ".webp"; - } else { - extension = ""; - } - path = message.getUuid()+extension; - } - final boolean encrypted = !decrypted - && (message.getEncryption() == Message.ENCRYPTION_PGP - || message.getEncryption() == Message.ENCRYPTION_DECRYPTED); - if (encrypted) { - return new DownloadableFile(getConversationsFileDirectory()+message.getUuid()+extension+".pgp"); - } else { - if (path.startsWith("/")) { - return new DownloadableFile(path); - } else { - if (Arrays.asList(Transferable.VALID_IMAGE_EXTENSIONS).contains(extension)) { - return new DownloadableFile(getConversationsFileDirectory() + path); - } else { - return new DownloadableFile(getConversationsImageDirectory() + path); - } - } - } - } - - public static String getConversationsFileDirectory() { - return Environment.getExternalStorageDirectory().getAbsolutePath()+"/Conversations/"; - } - - public static String getConversationsImageDirectory() { - return Environment.getExternalStoragePublicDirectory( - Environment.DIRECTORY_PICTURES).getAbsolutePath() - + "/Conversations/"; - } - - public static DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException { - Logging.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage"); - String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri); - String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime); - message.setRelativeFilePath(message.getUuid() + "." + extension); - DownloadableFile file = getFile(message); - 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); - return file; - } - - public static DownloadableFile copyImageToPrivateStorage(Message message, Uri image) - throws FileCopyException { - return copyImageToPrivateStorage(message, image, 0); - } - - private static DownloadableFile copyImageToPrivateStorage(Message message, - Uri image, int sampleSize) throws FileCopyException { - DownloadableFile file = getFile(message); - file.getParentFile().mkdirs(); - InputStream is = null; - OutputStream os = null; - try { - file.createNewFile(); - is = StreamUtil.openInputStreamFromContentResolver(image); - os = new FileOutputStream(file); - - Bitmap originalBitmap; - BitmapFactory.Options options = new BitmapFactory.Options(); - int inSampleSize = (int) Math.pow(2, sampleSize); - Logging.d(Config.LOGTAG, "reading bitmap with sample size " + inSampleSize); - options.inSampleSize = inSampleSize; - originalBitmap = BitmapFactory.decodeStream(is, null, options); - is.close(); - if (originalBitmap == null) { - throw new FileCopyException(R.string.error_not_an_image_file); - } - Bitmap scaledBitmap = ImageUtil.resize(originalBitmap, IMAGE_SIZE); - int rotation = ImageUtil.getRotation(image); - if (rotation > 0) { - scaledBitmap = ImageUtil.rotate(scaledBitmap, rotation); - } - - boolean success = scaledBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os); - if (!success) { - throw new FileCopyException(R.string.error_compressing_image); - } - os.flush(); - long size = file.getSize(); - int width = scaledBitmap.getWidth(); - int height = scaledBitmap.getHeight(); - message.setBody(Long.toString(size) + '|' + width + '|' + height); - return file; - } 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); - } catch (SecurityException e) { - throw new FileCopyException(R.string.error_security_exception_during_image_copy); - } catch (OutOfMemoryError e) { - ++sampleSize; - if (sampleSize <= 3) { - return copyImageToPrivateStorage(message, image, sampleSize); - } else { - throw new FileCopyException(R.string.error_out_of_memory); - } - } catch (NullPointerException e) { - throw new FileCopyException(R.string.error_io_exception); - } finally { - StreamUtil.close(os); - StreamUtil.close(is); - } - } - - 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 void updateFileParams(Message message) { - updateFileParams(message,null); - } - - public static void updateFileParams(Message message, URL url) { - DownloadableFile file = getFile(message); - if (message.getType() == Message.TYPE_IMAGE || file.getMimeType().startsWith("image/")) { - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inJustDecodeBounds = true; - BitmapFactory.decodeFile(file.getAbsolutePath(), options); - int imageHeight = options.outHeight; - int imageWidth = options.outWidth; - if (url == null) { - message.setBody(Long.toString(file.getSize()) + '|' + imageWidth + '|' + imageHeight); - } else { - message.setBody(url.toString()+"|"+Long.toString(file.getSize()) + '|' + imageWidth + '|' + imageHeight); - } - } else { - if (url != null) { - message.setBody(url.toString()+"|"+Long.toString(file.getSize())); - } else { - message.setBody(Long.toString(file.getSize())); - } - } - - } - - public static boolean isFileAvailable(Message message) { - return getFile(message).exists(); - } - - private FileBackend() { - // Static helper class - } -}
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