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rx-netty developed by Netflix
/*
* Copyright 2014 Netflix, Inc.
*
* Licensed 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 io.reactivex.netty.pipeline;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
/**
* @author Nitesh Kant
*/
public class ByteArrayPipelineConfigurator implements PipelineConfigurator {
@Override
public void configureNewPipeline(ChannelPipeline pipeline) {
pipeline.addLast(new ChannelDuplexHandler() {
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
boolean handled = false;
if (ByteBuf.class.isAssignableFrom(msg.getClass())) {
ByteBuf byteBuf = (ByteBuf) msg;
if (byteBuf.isReadable()) {
int readableBytes = byteBuf.readableBytes();
byte[] msgToPass = new byte[readableBytes];
byteBuf.readBytes(msgToPass);
handled = true;
ctx.fireChannelRead(msgToPass);
}
}
if (!handled) {
super.channelRead(ctx, msg);
}
}
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
if (msg instanceof byte[]) {
byte[] msgAsBytes = (byte[]) msg;
ByteBuf byteBuf = ctx.alloc().buffer(msgAsBytes.length).writeBytes(msgAsBytes);
super.write(ctx, byteBuf, promise);
} else {
super.write(ctx, msg, promise); // pass-through
}
}
});
}
}
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