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Add a new handler which is called SpdyHttpResponseStreamIdHandler and takes care of adding the right STREAM_ID if non is present. This makes it possible to reuse http only handlers with spdy. See #626

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Norman Maurer 2012-09-23 22:42:50 +02:00
parent e6d5e25733
commit d497ca97ce
1 changed files with 62 additions and 0 deletions
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src/main/java/org/jboss/netty/handler/codec/spdy/SpdyHttpResponseStreamIdHandler.java Normal file
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/*
* 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:
*
* http://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 org.jboss.netty.handler.codec.spdy;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelHandler;
import org.jboss.netty.handler.codec.http.HttpMessage;
import org.jboss.netty.handler.codec.http.HttpResponse;
/**
* {@link SimpleChannelHandler} which will take care of add the right {@link SpdyHttpHeaders#Names#STREAM_ID} to the
* {@link HttpResponse} if non is in there. This makes it possible to just re-use plan handlers that was used with HTTP
* only before.
*
*/
public class SpdyHttpResponseStreamIdHandler extends SimpleChannelHandler {
private static final Integer NO_ID = -1;
private final Queue<Integer> ids = new ConcurrentLinkedQueue<Integer>();
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
if (e.getMessage() instanceof HttpMessage) {
boolean contains = ((HttpMessage) e.getMessage()).containsHeader(SpdyHttpHeaders.Names.STREAM_ID);
if (!contains) {
ids.add(NO_ID);
} else {
ids.add(SpdyHttpHeaders.getStreamId((HttpMessage) e.getMessage()));
}
}
super.messageReceived(ctx, e);
}
@Override
public void writeRequested(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
if (e.getMessage() instanceof HttpResponse) {
HttpResponse response = (HttpResponse) e.getMessage();
Integer id = ids.poll();
if (id != null && id != NO_ID && !response.containsHeader(SpdyHttpHeaders.Names.STREAM_ID)) {
SpdyHttpHeaders.setStreamId(response, id);
}
}
super.writeRequested(ctx, e);
}
}