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 | 401 |
1 files changed, 34 insertions, 367 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java index da5cbf09..7ee67a15 100644 --- a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java +++ b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java @@ -1,7 +1,5 @@ package de.thedevstack.conversationsplus.persistance; -import java.io.ByteArrayOutputStream; -import java.io.Closeable; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; @@ -9,58 +7,39 @@ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.URL; -import java.security.DigestOutputStream; -import java.security.MessageDigest; -import java.security.NoSuchAlgorithmException; import java.text.SimpleDateFormat; import java.util.Arrays; import java.util.Date; import java.util.Locale; -import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; -import android.graphics.Canvas; -import android.graphics.Matrix; -import android.graphics.RectF; -import android.media.ExifInterface; import android.net.Uri; import android.os.Environment; -import android.provider.MediaStore; -import android.util.Base64; -import android.util.Base64OutputStream; import android.util.Log; import android.webkit.MimeTypeMap; -import android.widget.ImageView; 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.services.XmppConnectionService; -import de.thedevstack.conversationsplus.utils.CryptoHelper; -import de.thedevstack.conversationsplus.utils.ExifHelper; -import de.thedevstack.conversationsplus.utils.FileHelper; -import de.thedevstack.conversationsplus.xmpp.pep.Avatar; +import de.thedevstack.conversationsplus.exceptions.FileCopyException; +import de.thedevstack.conversationsplus.utils.ImageUtil; +import de.thedevstack.conversationsplus.utils.StreamUtil; -public class FileBackend { +public final class FileBackend { private static int IMAGE_SIZE = 1920; - private final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US); + private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US); - private XmppConnectionService mXmppConnectionService; - - public FileBackend(XmppConnectionService service) { - this.mXmppConnectionService = service; - } - - public DownloadableFile getFile(Message message) { + public static DownloadableFile getFile(Message message) { return getFile(message, true); } - public DownloadableFile getFile(Message message, boolean decrypted) { + public static DownloadableFile getFile(Message message, boolean decrypted) { String path = message.getRelativeFilePath(); String extension; if (path != null && !path.isEmpty()) { @@ -102,50 +81,19 @@ public class FileBackend { + "/Conversations/"; } - public Bitmap resize(Bitmap originalBitmap, int size) { - int w = originalBitmap.getWidth(); - int h = originalBitmap.getHeight(); - if (Math.max(w, h) > size) { - int scalledW; - int scalledH; - if (w <= h) { - scalledW = (int) (w / ((double) h / size)); - scalledH = size; - } else { - scalledW = size; - scalledH = (int) (h / ((double) w / size)); - } - return Bitmap.createScaledBitmap(originalBitmap, scalledW, scalledH, true); - } else { - return originalBitmap; - } - } - - public Bitmap rotate(Bitmap bitmap, int degree) { - int w = bitmap.getWidth(); - int h = bitmap.getHeight(); - Matrix mtx = new Matrix(); - mtx.postRotate(degree); - return Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, true); - } - - public String getOriginalPath(Uri uri) { - return FileHelper.getRealPathFromUri(uri); - } - - public DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException { + public static DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException { Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage"); - String mime = mXmppConnectionService.getContentResolver().getType(uri); + String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri); String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime); message.setRelativeFilePath(message.getUuid() + "." + extension); - DownloadableFile file = mXmppConnectionService.getFileBackend().getFile(message); + DownloadableFile file = getFile(message); file.getParentFile().mkdirs(); OutputStream os = null; InputStream is = null; try { file.createNewFile(); os = new FileOutputStream(file); - is = mXmppConnectionService.getContentResolver().openInputStream(uri); + is = StreamUtil.openInputStreamFromContentResolver(uri); byte[] buffer = new byte[1024]; int length; while ((length = is.read(buffer)) > 0) { @@ -158,19 +106,19 @@ public class FileBackend { e.printStackTrace(); throw new FileCopyException(R.string.error_io_exception); } finally { - close(os); - close(is); + StreamUtil.close(os); + StreamUtil.close(is); } - Log.d(Config.LOGTAG, "output file name " + mXmppConnectionService.getFileBackend().getFile(message)); + Log.d(Config.LOGTAG, "output file name " + file); return file; } - public DownloadableFile copyImageToPrivateStorage(Message message, Uri image) + public static DownloadableFile copyImageToPrivateStorage(Message message, Uri image) throws FileCopyException { - return this.copyImageToPrivateStorage(message, image, 0); + return copyImageToPrivateStorage(message, image, 0); } - private DownloadableFile copyImageToPrivateStorage(Message message, + private static DownloadableFile copyImageToPrivateStorage(Message message, Uri image, int sampleSize) throws FileCopyException { DownloadableFile file = getFile(message); file.getParentFile().mkdirs(); @@ -178,7 +126,7 @@ public class FileBackend { OutputStream os = null; try { file.createNewFile(); - is = mXmppConnectionService.getContentResolver().openInputStream(image); + is = StreamUtil.openInputStreamFromContentResolver(image); os = new FileOutputStream(file); Bitmap originalBitmap; @@ -191,10 +139,10 @@ public class FileBackend { if (originalBitmap == null) { throw new FileCopyException(R.string.error_not_an_image_file); } - Bitmap scaledBitmap = resize(originalBitmap, IMAGE_SIZE); - int rotation = getRotation(image); + Bitmap scaledBitmap = ImageUtil.resize(originalBitmap, IMAGE_SIZE); + int rotation = ImageUtil.getRotation(image); if (rotation > 0) { - scaledBitmap = rotate(scaledBitmap, rotation); + scaledBitmap = ImageUtil.rotate(scaledBitmap, rotation); } boolean success = scaledBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os); @@ -224,286 +172,34 @@ public class FileBackend { } catch (NullPointerException e) { throw new FileCopyException(R.string.error_io_exception); } finally { - close(os); - close(is); - } - } - - private int getRotation(Uri image) { - InputStream is = null; - try { - is = mXmppConnectionService.getContentResolver().openInputStream(image); - return ExifHelper.getOrientation(is); - } catch (FileNotFoundException e) { - return 0; - } finally { - close(is); - } - } - - public Bitmap getThumbnail(Message message, int size, boolean cacheOnly) - throws FileNotFoundException { - Bitmap thumbnail = mXmppConnectionService.getBitmapCache().get( - message.getUuid()); - if ((thumbnail == null) && (!cacheOnly)) { - File file = getFile(message); - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inSampleSize = calcSampleSize(file, size); - Bitmap fullsize = BitmapFactory.decodeFile(file.getAbsolutePath(),options); - if (fullsize == null) { - throw new FileNotFoundException(); - } - thumbnail = resize(fullsize, size); - try { - thumbnail = rotate(thumbnail, file.getAbsolutePath()); - } catch (IOException e) { - throw new FileNotFoundException(); - } - this.mXmppConnectionService.getBitmapCache().put(message.getUuid(), - thumbnail); + StreamUtil.close(os); + StreamUtil.close(is); } - return thumbnail; } - private Bitmap rotate(Bitmap original, String srcPath) throws IOException { - try { - ExifInterface exif = new ExifInterface(srcPath); - int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED); - int rotation = 0; - switch (orientation) { - case ExifInterface.ORIENTATION_ROTATE_90: - rotation = 90; - break; - case ExifInterface.ORIENTATION_ROTATE_180: - rotation = 180; - break; - case ExifInterface.ORIENTATION_ROTATE_270: - rotation = 270; - break; - } - if (rotation > 0) { - return rotate(original, rotation); - } - } catch (IOException e) { - Log.w("filebackend", "Error while rotating image, returning original"); - } - return original; - } - - public Uri getTakePhotoUri() { + 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_" + this.imageDateFormat.format(new Date()) + ".jpg"); + 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 Avatar getPepAvatar(Uri image, int size, Bitmap.CompressFormat format) { - try { - Avatar avatar = new Avatar(); - Bitmap bm = cropCenterSquare(image, size); - if (bm == null) { - return null; - } - ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream(); - Base64OutputStream mBase64OutputSttream = new Base64OutputStream( - mByteArrayOutputStream, Base64.DEFAULT); - MessageDigest digest = MessageDigest.getInstance("SHA-1"); - DigestOutputStream mDigestOutputStream = new DigestOutputStream( - mBase64OutputSttream, digest); - if (!bm.compress(format, 75, mDigestOutputStream)) { - return null; - } - mDigestOutputStream.flush(); - mDigestOutputStream.close(); - avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest()); - avatar.image = new String(mByteArrayOutputStream.toByteArray()); - return avatar; - } catch (NoSuchAlgorithmException e) { - return null; - } catch (IOException e) { - return null; - } - } - - public boolean isAvatarCached(Avatar avatar) { - File file = new File(getAvatarPath(avatar.getFilename())); - return file.exists(); - } - - public boolean save(Avatar avatar) { - File file; - if (isAvatarCached(avatar)) { - file = new File(getAvatarPath(avatar.getFilename())); - } else { - String filename = getAvatarPath(avatar.getFilename()); - file = new File(filename + ".tmp"); - file.getParentFile().mkdirs(); - OutputStream os = null; - try { - file.createNewFile(); - os = new FileOutputStream(file); - MessageDigest digest = MessageDigest.getInstance("SHA-1"); - digest.reset(); - DigestOutputStream mDigestOutputStream = new DigestOutputStream(os, digest); - mDigestOutputStream.write(avatar.getImageAsBytes()); - mDigestOutputStream.flush(); - mDigestOutputStream.close(); - String sha1sum = CryptoHelper.bytesToHex(digest.digest()); - if (sha1sum.equals(avatar.sha1sum)) { - file.renameTo(new File(filename)); - } else { - Log.d(Config.LOGTAG, "sha1sum mismatch for " + avatar.owner); - file.delete(); - return false; - } - } catch (FileNotFoundException e) { - return false; - } catch (IOException e) { - return false; - } catch (NoSuchAlgorithmException e) { - return false; - } finally { - close(os); - } - } - avatar.size = file.length(); - return true; - } - - public String getAvatarPath(String avatar) { - return mXmppConnectionService.getFilesDir().getAbsolutePath()+ "/avatars/" + avatar; - } - - public Uri getAvatarUri(String avatar) { - return Uri.parse("file:" + getAvatarPath(avatar)); - } - - public Bitmap cropCenterSquare(Uri image, int size) { - if (image == null) { - return null; - } - InputStream is = null; - try { - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inSampleSize = calcSampleSize(image, size); - is = mXmppConnectionService.getContentResolver().openInputStream(image); - Bitmap input = BitmapFactory.decodeStream(is, null, options); - if (input == null) { - return null; - } else { - int rotation = getRotation(image); - if (rotation > 0) { - input = rotate(input, rotation); - } - return cropCenterSquare(input, size); - } - } catch (FileNotFoundException e) { - return null; - } finally { - close(is); - } - } - - public Bitmap cropCenter(Uri image, int newHeight, int newWidth) { - if (image == null) { - return null; - } - InputStream is = null; - try { - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inSampleSize = calcSampleSize(image,Math.max(newHeight, newWidth)); - is = mXmppConnectionService.getContentResolver().openInputStream(image); - Bitmap source = BitmapFactory.decodeStream(is, null, options); - if (source == null) { - return null; - } - int sourceWidth = source.getWidth(); - int sourceHeight = source.getHeight(); - float xScale = (float) newWidth / sourceWidth; - float yScale = (float) newHeight / sourceHeight; - float scale = Math.max(xScale, yScale); - float scaledWidth = scale * sourceWidth; - float scaledHeight = scale * sourceHeight; - float left = (newWidth - scaledWidth) / 2; - float top = (newHeight - scaledHeight) / 2; - - RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight); - Bitmap dest = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888); - Canvas canvas = new Canvas(dest); - canvas.drawBitmap(source, null, targetRect, null); - return dest; - } catch (FileNotFoundException e) { - return null; - } finally { - close(is); - } - } - - public Bitmap cropCenterSquare(Bitmap input, int size) { - int w = input.getWidth(); - int h = input.getHeight(); - - float scale = Math.max((float) size / h, (float) size / w); - - float outWidth = scale * w; - float outHeight = scale * h; - float left = (size - outWidth) / 2; - float top = (size - outHeight) / 2; - RectF target = new RectF(left, top, left + outWidth, top + outHeight); - - Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); - Canvas canvas = new Canvas(output); - canvas.drawBitmap(input, null, target, null); - return output; - } - - private int calcSampleSize(Uri image, int size) throws FileNotFoundException { - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inJustDecodeBounds = true; - BitmapFactory.decodeStream(mXmppConnectionService.getContentResolver().openInputStream(image), null, options); - return calcSampleSize(options, size); - } - - private int calcSampleSize(File image, int size) { - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inJustDecodeBounds = true; - BitmapFactory.decodeFile(image.getAbsolutePath(), options); - return calcSampleSize(options, size); - } - - private int calcSampleSize(BitmapFactory.Options options, int size) { - int height = options.outHeight; - int width = options.outWidth; - int inSampleSize = 1; - - if (height > size || width > size) { - int halfHeight = height / 2; - int halfWidth = width / 2; - - while ((halfHeight / inSampleSize) > size - && (halfWidth / inSampleSize) > size) { - inSampleSize *= 2; - } - } - return inSampleSize; - } - - public Uri getJingleFileUri(Message message) { + public static Uri getJingleFileUri(Message message) { File file = getFile(message); return Uri.parse("file://" + file.getAbsolutePath()); } - public void updateFileParams(Message message) { + public static void updateFileParams(Message message) { updateFileParams(message,null); } - public void updateFileParams(Message message, URL url) { + 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(); @@ -526,40 +222,11 @@ public class FileBackend { } - public class FileCopyException extends Exception { - private static final long serialVersionUID = -1010013599132881427L; - private int resId; - - public FileCopyException(int resId) { - this.resId = resId; - } - - public int getResId() { - return resId; - } - } - - public Bitmap getAvatar(String avatar, int size) { - if (avatar == null) { - return null; - } - Bitmap bm = cropCenter(getAvatarUri(avatar), size, size); - if (bm == null) { - return null; - } - return bm; - } - - public boolean isFileAvailable(Message message) { + public static boolean isFileAvailable(Message message) { return getFile(message).exists(); } - public static void close(Closeable stream) { - if (stream != null) { - try { - stream.close(); - } catch (IOException e) { - } - } - } -} + private FileBackend() { + // Static helper class + } +}
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