--Client.java
public class Client {
private static String ip = null;
private static int port = 10000;
public static void main(String[] args) throws Exception{
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
File file = new File（"Configure.xml");
Document document = documentBuilder.parse(file);
XML xml = new XML(document);
xml.explain();
ip = XML.ip;
port = XML.port;
getConnect();
}
public static void getConnect() throws Exception{
InetSocketAddress inetSocketAddress = new InetSocketAddress(ip, port);
SocketChannel socketChannel = SocketChannel.open(inetSocketAddress);
ClientHandler clientHandler = new ClientHandler();
OutputStream outputStream = Channels.newOutputStream(socketChannel);
PrintWriter printWriter = new PrintWriter(outputStream, true);
Scanner scanner = new Scanner(System.in);
InputStream inputStream = Channels.newInputStream(socketChannel);
Scanner scanner2 = new Scanner(inputStream);
while(true){
clientHandler.send(outputStream,printWriter,scanner);
String string = clientHandler.receive(inputStream,scanner2);
if(string.equals("Bye!")) break;
}
printWriter.close();
scanner.close();
scanner2.close();
socketChannel.close();
}
}
--ClientHandler.java
public class ClientHandler {
private String string = null;
public void send(OutputStream outputStream, PrintWriter printWriter, Scanner scanner){
string = scanner.nextLine();
printWriter.println(string);
}
public String receive(InputStream inputStream, Scanner scanner2){
string = scanner2.nextLine();
System.out.println(string);
return string;
}
}
--Server.java
public class Server {
private static int port = 10000;
public static void main(String[] args) throws Exception{
ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
InetSocketAddress inetSocketAddress = new InetSocketAddress(port);
serverSocketChannel.socket().bind(inetSocketAddress);
SocketChannel socketChannel = null;
while(true){
socketChannel = serverSocketChannel.accept();
ServerHandler serverHandler = new ServerHandler(socketChannel);
serverHandler.getInThread();
}
}
}
--ServerHandler.java
public class ServerHandler implements Runnable{
private SocketChannel socketChannel = null;
private ExecutorService executorService = Executors.newCachedThreadPool();
public ServerHandler(SocketChannel socketChannel){
this.socketChannel = socketChannel;
}
public void getInThread(){
Runnable runnable = new ServerHandler(socketChannel);
executorService.execute(runnable);
}
public void run(){
Socket socket = socketChannel.socket();
BufferedReader bufferedReader = null;
PrintWriter printWriter = null;
try{
bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
printWriter = new PrintWriter(socket.getOutputStream(),true);
String string = null;
while((string = bufferedReader.readLine()) != null){
System.out.println(string);
if(string.equalsIgnoreCase("quit") || string.equalsIgnoreCase("exit")){
printWriter.println("Bye!");
break;
}
else{
printWriter.println("return :"+string);
}
}
}
catch(Exception exception){
try {
bufferedReader.close();
}
catch (Exception e) {
e.printStackTrace();
}
printWriter.close();
}
finally{
if(socketChannel != null){
try{
socketChannel.close();
}
catch(Exception exception2){
System.err.println("Connection has stop yet!");
}
}
}
}
}
--XML.java
public class XML {
private Document document;
public static String ip = "127.0.0.1";
public static int port = 10000;
public XML(Document document){
this.document = document;
}
public void explain(){
Element root = document.getDocumentElement();
NodeList nodeList = root.getChildNodes();
for(int i=0;i<nodeList.getLength();i++){
Node node = nodeList.item(i);
if(node instanceof Element){
Element element = (Element) node;
Text text = (Text) element.getFirstChild();
String string = text.getData().trim();
if(element.getTagName().equals("ip")) ip = string;
else if(element.getTagName().equals("port")) port = Integer.parseInt(string);
else ;
}
}
}
}
--Configure.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<ip>127.0.0.1</ip>
<port>10000</port>
</configuration>