/*
* 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 io.netty.example.applet;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundByteHandlerAdapter;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.util.CharsetUtil;
import javax.swing.JApplet;
/**
* {@link JApplet} which starts up a Server that receive data and discard it.
*/
public class AppletDiscardServer extends JApplet {
private static final long serialVersionUID = -7824894101960583175L;
private ServerBootstrap bootstrap;
@Override
public void init() {
try {
bootstrap = new ServerBootstrap();
bootstrap.group(new NioEventLoopGroup(), new NioEventLoopGroup()).channel(NioServerSocketChannel.class)
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new DiscardServerHandler());
}
});
ChannelFuture f = bootstrap.bind(9999).sync();
f.channel().closeFuture().sync();
} catch (Exception ex) {
ex.printStackTrace();
throw new RuntimeException(ex);
}
}
@Override
public void destroy() {
super.destroy();
if (bootstrap != null) {
bootstrap.shutdown();
}
}
private static final class DiscardServerHandler extends ChannelInboundByteHandlerAdapter {
@Override
public void inboundBufferUpdated(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
System.out.println("Received: " + in.toString(CharsetUtil.UTF_8));
in.clear();
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
cause.printStackTrace();
ctx.close();
}
}
}