private void startTask(Label st, ListView<String> view, HashMap<String, String> hash)
{

    Platform.runLater(new Runnable() {
        @Override
        public void run() {
            runTask(st,view,hash);
        }
    });
}

private void runTask(Label st, ListView<String> view, HashMap<String, String> hash){
    String link = hash.get(view.getSelectionModel().getSelectedItem());
    File file = new File("temp.zip");
    try {
        FileUtils.copyURLToFile(new URL(link), file);
        byte[] buffer = new byte[1024];
        ZipInputStream zis = new ZipInputStream(new FileInputStream(file));
        ZipEntry zipEntry = zis.getNextEntry();
        File newFile;
        FileOutputStream fos;
        String fileName;
        while(zipEntry != null){

            fileName = zipEntry.getName();
            if(fileName.contains("##TEMP##")) continue;
            if(fileName.contains("MACOSX")) continue;
            newFile = new File(fileName);
            fos = new FileOutputStream(newFile);
            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }
            fos.close();
            zipEntry = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();
    } catch (IOException | NullPointerException e) {
        e.printStackTrace();
    }
    st.setText("Status: Ready");


}