Examples with Receiver com.vaadin.ui.Upload.Receiver used on opensource projects

Example 1 with Receiver

use of com.vaadin.ui.Upload.Receiver in project Activiti by Activiti.

the class FileAttachmentEditorComponent method initFileUpload.

protected void initFileUpload() {
    uploadComponent = ExplorerApp.get().getComponentFactory(UploadComponentFactory.class).create();
    Receiver receiver = new Receiver() {

        private static final long serialVersionUID = 1L;

        public OutputStream receiveUpload(String filename, String mType) {
            fileName = filename;
            // Try extracting the extention as well, and append it to the mime-type
            String extention = extractExtention(filename);
            if (extention != null) {
                mimeType = mType + MIME_TYPE_EXTENTION_SPLIT_CHAR + extention;
            } else {
                mimeType = mType;
            }
            // TODO: Refactor, don't use BAOS!!
            byteArrayOutputStream = new ByteArrayOutputStream();
            return byteArrayOutputStream;
        }
    };
    uploadComponent.setReceiver(receiver);
    uploadComponent.addFinishedListener(new FinishedListener() {

        private static final long serialVersionUID = 1L;

        public void uploadFinished(FinishedEvent event) {
            // Update UI
            if (getAttachmentName() == null || "".equals(getAttachmentName())) {
                setAttachmentName(getFriendlyName(fileName));
            }
            fileUploaded = true;
            successIndicator.setVisible(true);
            successIndicator.setCaption(i18nManager.getMessage(Messages.RELATED_CONTENT_TYPE_FILE_UPLOADED, fileName));
            form.setComponentError(null);
        }
    });
    addComponent(uploadComponent);
    setExpandRatio(uploadComponent, 1.0f);
}