1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.mina.example.imagine.step2.server; 21 22 import java.io.IOException; 23 import java.net.InetSocketAddress; 24 import java.util.concurrent.Executors; 25 26 import org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder; 27 import org.apache.mina.example.imagine.step1.codec.ImageCodecFactory; 28 import org.apache.mina.example.imagine.step1.server.ImageServerIoHandler; 29 import org.apache.mina.filter.codec.ProtocolCodecFilter; 30 import org.apache.mina.filter.executor.ExecutorFilter; 31 import org.apache.mina.transport.socket.nio.NioSocketAcceptor; 32 33 /** 34 * entry point for the server used in the tutorial on protocol codecs 35 * 36 * @author The Apache MINA Project (dev@mina.apache.org) 37 */ 38 39 public class ImageServer { 40 public static final int PORT = 33789; 41 42 public static void main(String[] args) throws IOException { 43 // Create a class that handles sessions, incoming and outgoing data 44 ImageServerIoHandler handler = new ImageServerIoHandler(); 45 46 // This socket acceptor will handle incoming connections 47 NioSocketAcceptor acceptor = new NioSocketAcceptor(); 48 49 // add an IoFilter . This class is responsible for converting the incoming and 50 // outgoing raw data to ImageRequest and ImageResponse objects 51 acceptor.getFilterChain().addLast("protocol", new ProtocolCodecFilter(new ImageCodecFactory(false))); 52 53 // get a reference to the filter chain from the acceptor 54 DefaultIoFilterChainBuilder filterChainBuilder = acceptor.getFilterChain(); 55 56 // add an ExecutorFilter to the filter chain. The preferred order is to put the executor filter 57 // after any protocol filters due to the fact that protocol codecs are generally CPU-bound 58 // which is the same as I/O filters. 59 filterChainBuilder.addLast("threadPool", new ExecutorFilter(Executors.newCachedThreadPool())); 60 61 // set this NioSocketAcceptor's handler to the ImageServerHandler 62 acceptor.setHandler(handler); 63 64 // Bind to the specified address. This kicks off the listening for 65 // incoming connections 66 acceptor.bind(new InetSocketAddress(PORT)); 67 System.out.println("Step 2 server is listenig at port " + PORT); 68 } 69 }