ApiResource.java 文件源码

@GET
@Path("/cat-streaming-output")
@Produces("image/gif")
public StreamingOutput getRandomCatAsStreamingOutput() {
    return new StreamingOutput() {
        @Override
        public void write(OutputStream os) throws IOException, WebApplicationException {
            try (InputStream is = loadRandomCatGif()) {
                byte[] buffer = new byte[BUFFER_LENGTH];
                int bytesRead;
                while ((bytesRead = is.read(buffer)) != -1) {
                    os.write(buffer, 0, bytesRead);
                }
            }
        }
    };
}