StreamingWriterInterceptor.java 文件源码

/**
 * <p>applyStreaming.</p>
 *
 * @param requestContext a {@link javax.ws.rs.container.ContainerRequestContext} object.
 * @param context a {@link javax.ws.rs.ext.WriterInterceptorContext} object.
 * @throws java.io.IOException if any.
 */
protected void applyStreaming(ContainerRequestContext requestContext, WriterInterceptorContext context)
        throws IOException {

    Object entity = context.getEntity();
    StreamingProcess<Object> process = MessageHelper.getStreamingProcess(context.getEntity(), manager);

    if (process != null) {
        ContainerResponseContext responseContext =
                (ContainerResponseContext) requestContext.getProperty(RESP_PROP_N);
        responseContext.setStatusInfo(Response.Status.PARTIAL_CONTENT);
        context.getHeaders().putSingle(ACCEPT_RANGES, BYTES_RANGE);
        context.setType(StreamingOutput.class);
        context.setEntity(new MediaStreaming(
                        entity,
                requestContext.getHeaderString(MediaStreaming.RANGE),
                        process,
                        context.getMediaType(),
                        context.getHeaders()
                )
        );
    }
}