예제 #1
0
 /**
  * Listenet, that invoked during file upload process. Only registered users can upload images.
  *
  * @param event - event, indicated that file upload started
  */
 @Restrict("#{s:hasRole('admin')}")
 public void listener(UploadEvent event) {
   UploadItem item = event.getUploadItem();
   // Construct image from item
   Image image = constructImage(item);
   try {
     // Extract metadata(size, camera model etc..)
     extractMetadata(item, image);
   } catch (Exception e1) {
     addError(item, image, Constants.FILE_PROCESSING_ERROR);
     return;
   }
   image.setAlbum(model.getSelectedAlbum());
   if (image.getAlbum() == null) {
     addError(item, image, Constants.NO_ALBUM_TO_DOWNLOAD_ERROR);
     return;
   }
   try {
     // Check if image with given name already exist
     if (imageAction.isImageWithThisPathExist(image.getAlbum(), image.getPath())) {
       // If exist generate new path for image
       String newPath = generateNewPath(image);
       image.setPath(newPath);
       image.setName(newPath);
     }
     // Save to database
     imageAction.addImage(image);
   } catch (Exception e) {
     addError(item, image, Constants.IMAGE_SAVING_ERROR);
     return;
   }
   // Save to disk
   if (!fileManager.addImage(image.getFullPath(), item.getFile().getPath())) {
     addError(item, image, Constants.FILE_SAVE_ERROR);
     return;
   }
   // Prepare to show in UI
   fileWrapper.getFiles().add(image);
   Events.instance().raiseEvent(Constants.IMAGE_ADDED_EVENT, image);
   // Delete temporary file
   item.getFile().delete();
 }
예제 #2
0
 private void extractMetadata(UploadItem item, Image image) {
   InputStream in = null;
   try {
     in = new FileInputStream(item.getFile());
     Metadata metadata = JpegMetadataReader.readMetadata(in);
     Directory exifDirectory = metadata.getDirectory(ExifDirectory.class);
     Directory jpgDirectory = metadata.getDirectory(JpegDirectory.class);
     setupCameraModel(image, exifDirectory);
     setupDimensions(image, exifDirectory, jpgDirectory);
     setupCreatedDate(image, exifDirectory);
   } catch (Exception e) {
     addError(item, image, Constants.IMAGE_SAVING_ERROR);
   } finally {
     try {
       in.close();
     } catch (IOException e) {
       addError(item, image, Constants.IMAGE_SAVING_ERROR);
     }
   }
 }
예제 #3
0
 private void addError(UploadItem item, Image image, String error) {
   fileWrapper.onFileUploadError(image, error);
   item.getFile().delete();
 }