XHubWriterInterceptor.java 文件源码

public void aroundWriteTo(WriterInterceptorContext ctx) throws IOException, WebApplicationException {
    ByteArrayInterceptingOutputStream interceptOS = new ByteArrayInterceptingOutputStream(ctx.getOutputStream());
    ctx.setOutputStream(interceptOS);
    ctx.proceed();

    if (!ctx.getHeaders().containsKey(header)) {
        String xhubHeaderValue = XHub.generateHeaderXHubToken(getEncoder(), getHash(), Objects.requireNonNull(token, "cannot encode with a null token"), interceptOS.interceptedContent());
        ctx.getHeaders().putSingle(header, xhubHeaderValue);
    }
    return;
}