TaskService taskService = ProcessEngines.getDefaultProcessEngine().getTaskService();
String mimeType = extractMineType(attachment.getType());
InputStream imageStream = ImageUtil.smallify(taskService.getAttachmentContent(attachment.getId()), mimeType, 900, 550);
Resource resource = new StreamResource(new InputStreamStreamSource(imageStream),
attachment.getName() + extractExtention(attachment.getType()),ExplorerApp.get());
Embedded image = new Embedded(null, resource);
verticalLayout.addComponent(image);
// Linke
HorizontalLayout LinkLayout = new HorizontalLayout();
LinkLayout.setSpacing(true);
verticalLayout.addComponent(LinkLayout);
verticalLayout.setComponentAlignment(LinkLayout, Alignment.MIDDLE_CENTER);
Label fullSizeLabel = new Label(ExplorerApp.get().getI18nManager().getMessage(Messages.RELATED_CONTENT_SHOW_FULL_SIZE));
LinkLayout.addComponent(fullSizeLabel);
Link link = null;
if(attachment.getUrl() != null) {
link = new Link(attachment.getUrl(), new ExternalResource(attachment.getUrl()));
} else {
taskService = ProcessEngines.getDefaultProcessEngine().getTaskService();
Resource res = new StreamResource(new InputStreamStreamSource(taskService.getAttachmentContent(attachment.getId())),
attachment.getName() + extractExtention(attachment.getType()),ExplorerApp.get());
link = new Link(attachment.getName(), res);
}