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Commit780e8d0

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author
jsquared21
committed
Add Ex31_04
1 parente3b0620 commit780e8d0

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+125
-0
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5 files changed

+125
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importjava.io.*;
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importjava.net.*;
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importjava.util.Date;
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importjavafx.application.Application;
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importjavafx.scene.Scene;
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importjavafx.scene.layout.StackPane;
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importjavafx.scene.control.Label;
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importjavafx.stage.Stage;
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publicclassExercise31_04ClientextendsApplication {
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// Input stream
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DataInputStreamfromServer =null;
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// Create a label
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privateLabellabel =newLabel("");
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@Override// Override the start method in the Application class
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publicvoidstart(StageprimaryStage) {
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// Create a stack pane
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StackPanepane =newStackPane();
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pane.getChildren().add(label);
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// Crate a scene and place it in the stage
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Scenescene =newScene(pane,300,75);
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primaryStage.setTitle("Exercise31_04Client");// Set the stage title
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primaryStage.setScene(scene);// Place the scene in the stage
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primaryStage.show();// Display the stage
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try {
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// Create a socket to connect to the server
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Socketsocket =newSocket("localhost",8000);
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// Create an input stream to receive data from the server
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fromServer =newDataInputStream(socket.getInputStream());
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// Receive and display string from the server
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label.setText(fromServer.readUTF());
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}
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catch (IOExceptionex) {
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ex.printStackTrace();
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}
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}
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}
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importjava.io.*;
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importjava.net.*;
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importjava.util.Date;
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importjavafx.application.Application;
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importjavafx.application.Platform;
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importjavafx.scene.Scene;
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importjavafx.scene.control.TextArea;
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importjavafx.scene.control.ScrollPane;
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importjavafx.stage.Stage;
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publicclassExercise31_04ServerextendsApplication {
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// Text area for displaying contents
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privateTextAreata =newTextArea();
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// Count the thread
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privateintthreadNo =0;
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@Override// Override the start method in the Application class
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publicvoidstart(StageprimaryStage) {
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// Create a scene and place it in the stage
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Scenescene =newScene(newScrollPane(ta),450,200);
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primaryStage.setTitle("Exercise31_04Sever");// Set the stage title
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primaryStage.setScene(scene);// Place the scene in the stage
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primaryStage.show();// Display the stage
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newThread(() -> {
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try {
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// Create a server socket
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ServerSocketserverSocket =newServerSocket(8000);
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ta.appendText("Exercise31_04Sever started at " +newDate() +'\n');
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while (true) {
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// Listen for a new connection request
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Socketsocket =serverSocket.accept();
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Platform.runLater(() -> {
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// Display the thread number
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ta.appendText("Starting thread " +threadNo++ +'\n');
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// Find the client's ip address
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InetAddressinetAddress =socket.getInetAddress();
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ta.appendText("Client IP /" +
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inetAddress.getHostAddress() +'\n');
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});
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// Create and start new thread for the connection
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newThread(newHandleAClient(socket)).start();
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}
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}
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catch(IOExceptionex) {
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System.err.println(ex);
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}
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}).start();
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}
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// Define the thread class for handlind new connection
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classHandleAClientimplementsRunnable {
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privateSocketsocket;// A connected socket
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/** Construct a thread */
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publicHandleAClient(Socketsocket) {
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this.socket =socket;
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}
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/** Run a thread */
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publicvoidrun() {
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try {
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// Create a data output stream
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DataOutputStreamoutputToClient =newDataOutputStream(
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socket.getOutputStream());
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// Send a string to the Client
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outputToClient.writeUTF("You are visitor " +threadNo);
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}
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catch (IOExceptionex) {
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ex.printStackTrace();
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}
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}
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}
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}

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