HttpMessageConverter handling video streams

VideoHttpMessageConverter.java

public class VideoHttpMessageConverter extends AbstractHttpMessageConverter {

    public VideoHttpMessageConverter() {
        super(new MediaType("video", "mp4"));
    }

    @Override
    protected boolean supports(Class clazz) {
        return InputStream.class.isAssignableFrom(clazz) || File.class.isAssignableFrom(clazz);
    }

    @Override
    protected Object readInternal(Class clazz, HttpInputMessage inputMessage) throws IOException, HttpMessageNotReadableException {
        InputStream source = inputMessage.getBody();
        File file = getOutputMediaFile();
        FileOutputStream os = null;
        try {
            os = new FileOutputStream(file);
            ByteStreams.copy(source, os);
            return file;
        } finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    // log if
                }
            }
        }
    }

    private static File getOutputMediaFile() {
        // Do what ever you want
    }


    @Override
    protected void writeInternal(Object o, HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {
        if (!(o instanceof InputStream)) {
            throw new HttpMessageNotReadableException("Object class " + o.getClass() + " is not supported");
        }
        ByteStreams.copy((InputStream) o, outputMessage.getBody());
    }
}