001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.example.imagine.step2.server; 021 022import java.io.IOException; 023import java.net.InetSocketAddress; 024import java.util.concurrent.Executors; 025 026import org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder; 027import org.apache.mina.example.imagine.step1.codec.ImageCodecFactory; 028import org.apache.mina.example.imagine.step1.server.ImageServerIoHandler; 029import org.apache.mina.filter.codec.ProtocolCodecFilter; 030import org.apache.mina.filter.executor.ExecutorFilter; 031import org.apache.mina.transport.socket.nio.NioSocketAcceptor; 032 033/** 034 * entry point for the server used in the tutorial on protocol codecs 035 * 036 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 037 */ 038 039public class ImageServer { 040 public static final int PORT = 33789; 041 042 public static void main(String[] args) throws IOException { 043 // Create a class that handles sessions, incoming and outgoing data 044 ImageServerIoHandler handler = new ImageServerIoHandler(); 045 046 // This socket acceptor will handle incoming connections 047 NioSocketAcceptor acceptor = new NioSocketAcceptor(); 048 049 // add an IoFilter . This class is responsible for converting the incoming and 050 // outgoing raw data to ImageRequest and ImageResponse objects 051 acceptor.getFilterChain().addLast("protocol", new ProtocolCodecFilter(new ImageCodecFactory(false))); 052 053 // get a reference to the filter chain from the acceptor 054 DefaultIoFilterChainBuilder filterChainBuilder = acceptor.getFilterChain(); 055 056 // add an ExecutorFilter to the filter chain. The preferred order is to put the executor filter 057 // after any protocol filters due to the fact that protocol codecs are generally CPU-bound 058 // which is the same as I/O filters. 059 filterChainBuilder.addLast("threadPool", new ExecutorFilter(Executors.newCachedThreadPool())); 060 061 // set this NioSocketAcceptor's handler to the ImageServerHandler 062 acceptor.setHandler(handler); 063 064 // Bind to the specified address. This kicks off the listening for 065 // incoming connections 066 acceptor.bind(new InetSocketAddress(PORT)); 067 System.out.println("Step 2 server is listenig at port " + PORT); 068 } 069}