io.netty.handler.codec.spdy.SpdyHttpResponseStreamIdHandler Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.handler.codec.spdy;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageCodec;
import io.netty.handler.codec.http.HttpMessage;
import io.netty.handler.codec.spdy.SpdyHttpHeaders.Names;
import io.netty.util.ReferenceCountUtil;
import java.util.ArrayDeque;
import java.util.List;
import java.util.Queue;
/**
* {@link MessageToMessageCodec} that takes care of adding the right {@link SpdyHttpHeaders.Names#STREAM_ID} to the
* {@link HttpMessage} if one is not present. This makes it possible to just re-use plan handlers current used
* for HTTP.
*/
public class SpdyHttpResponseStreamIdHandler extends
MessageToMessageCodec {
private static final Integer NO_ID = -1;
private final Queue ids = new ArrayDeque();
@Override
public boolean acceptInboundMessage(Object msg) throws Exception {
return msg instanceof HttpMessage || msg instanceof SpdyRstStreamFrame;
}
@Override
protected void encode(ChannelHandlerContext ctx, HttpMessage msg, List