1 /* 2 * Copyright 2020 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.handler.codec.http2; 17 18 /** 19 * HTTP/2 Push Promise Frame 20 */ 21 public interface Http2PushPromiseFrame extends Http2StreamFrame { 22 23 /** 24 * Set the Promise {@link Http2FrameStream} object for this frame. 25 */ 26 Http2StreamFrame pushStream(Http2FrameStream stream); 27 28 /** 29 * Returns the Promise {@link Http2FrameStream} object for this frame, or {@code null} if the 30 * frame has yet to be associated with a stream. 31 */ 32 Http2FrameStream pushStream(); 33 34 /** 35 * {@link Http2Headers} sent in Push Promise 36 */ 37 Http2Headers http2Headers(); 38 39 /** 40 * Frame padding to use. Will be non-negative and less than 256. 41 */ 42 int padding(); 43 44 /** 45 * Promised Stream ID 46 */ 47 int promisedStreamId(); 48 49 @Override 50 Http2PushPromiseFrame stream(Http2FrameStream stream); 51 52 }