ajout TP4
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63
TP4/HelloTopic.java
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63
TP4/HelloTopic.java
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import javax.jms.Connection;
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import javax.jms.ConnectionFactory;
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import javax.jms.Destination;
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import javax.jms.Message;
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import javax.jms.MessageConsumer;
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import javax.jms.MessageListener;
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import javax.jms.MessageProducer;
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import javax.jms.Session;
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import javax.jms.TextMessage;
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import org.apache.activemq.ActiveMQConnection;
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import org.apache.activemq.ActiveMQConnectionFactory;
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public class HelloTopic {
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private static String url = ActiveMQConnection.DEFAULT_BROKER_URL;
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private static String subject = "MyTopic";
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public static void main(String argv[]) {
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try {
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ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url);
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Connection connection = connectionFactory.createConnection();
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connection.start();
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Session session = connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
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Destination destination = session.createTopic(subject);
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MessageProducer producer = session.createProducer(destination);
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MessageConsumer consumer = session.createConsumer(destination);
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MessageListener listener = new MessageListener() {
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public void onMessage(Message msg) {
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try {
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TextMessage textmsg = (TextMessage)msg;
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System.out.println("received : "+textmsg.getText());
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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};
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consumer.setMessageListener(listener);
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TextMessage message = session.createTextMessage("Hello welcome to ActiveMQ!");
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producer.send(message);
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System.out.println("Sentage '" + message.getText() + "'");
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Thread.sleep(1000);
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connection.close();
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} catch (Exception ex) {
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ex.printStackTrace();
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return;
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}
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}
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}
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143
TP4/Irc.java
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143
TP4/Irc.java
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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import java.awt.TextArea;
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import java.awt.TextField;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.util.Enumeration;
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import java.util.Vector;
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import javax.jms.Connection;
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import javax.jms.ConnectionFactory;
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import javax.jms.Message;
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import javax.jms.MessageConsumer;
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import javax.jms.MessageListener;
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import javax.jms.MessageProducer;
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import javax.jms.Session;
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import javax.jms.StreamMessage;
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import javax.jms.Topic;
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import org.apache.activemq.ActiveMQConnection;
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import org.apache.activemq.ActiveMQConnectionFactory;
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public class Irc {
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public static TextArea text;
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public static TextField data;
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public static Frame frame;
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public static String url = ActiveMQConnection.DEFAULT_BROKER_URL;
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public static String subject = "MyQueue";
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public static Vector<String> users = new Vector<String>();
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public static String myName;
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public static ConnectionFactory connectionFactory;
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public static Connection connection;
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public static Session session;
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public static MessageConsumer consumer;
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public static MessageProducer producer;
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public static Topic topic;
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public static void main(String argv[]) {
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if (argv.length != 1) {
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System.out.println("java Irc <name>");
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return;
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}
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myName = argv[0];
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// creation of the GUI
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frame=new Frame();
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frame.setLayout(new FlowLayout());
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text=new TextArea(10,55);
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text.setEditable(false);
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text.setForeground(Color.red);
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frame.add(text);
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data=new TextField(55);
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frame.add(data);
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Button write_button = new Button("write");
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write_button.addActionListener(new writeListener());
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frame.add(write_button);
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Button connect_button = new Button("connect");
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connect_button.addActionListener(new connectListener());
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frame.add(connect_button);
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Button who_button = new Button("who");
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who_button.addActionListener(new whoListener());
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frame.add(who_button);
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Button leave_button = new Button("leave");
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leave_button.addActionListener(new leaveListener());
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frame.add(leave_button);
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frame.setSize(470,300);
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text.setBackground(Color.black);
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frame.setVisible(true);
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}
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/* allow to print something in the window */
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public static void print(String msg) {
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try {
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text.append(msg+"\n");
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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// action invoked when the "write" button is clicked
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class writeListener implements ActionListener {
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public void actionPerformed (ActionEvent ae) {
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try {
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System.out.println("write button pressed");
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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// action invoked when the "connect" button is clicked
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class connectListener implements ActionListener {
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public void actionPerformed (ActionEvent ae) {
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try {
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System.out.println("connect button pressed");
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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// action invoked when the "who" button is clicked
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class whoListener implements ActionListener {
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public void actionPerformed (ActionEvent ae) {
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try {
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System.out.println("who button pressed");
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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// action invoked when the "leave" button is clicked
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class leaveListener implements ActionListener {
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public void actionPerformed (ActionEvent ae) {
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try {
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System.out.println("leave button pressed");
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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}
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BIN
TP4/archi.jpg
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BIN
TP4/archi.jpg
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134
TP4/tp-jms.html
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134
TP4/tp-jms.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="CONTENT-TYPE" content="text/html;
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charset=windows-1252">
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<title></title>
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<meta name="GENERATOR" content="OpenOffice.org 1.1.4 (Win32)">
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<meta name="CREATED" content="20051026;11210625">
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<meta name="CHANGEDBY" content="Daniel Hagimont">
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<meta name="CHANGED" content="20051112;3545775">
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<meta name="ProgId" content="Word.Document">
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<meta name="Originator" content="Microsoft Word 10">
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<meta name="Template" content="C:\PROGRAM FILES\MICROSOFT
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OFFICE\OFFICE\html.dot">
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<style>
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<!--
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P { color: #000000 }
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P.msonormal { margin-bottom: 0cm; font-family: "Times New Roman" }
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A:link { color: #0000ff }
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A:visited { color: #800080 }
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-->
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</style>
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</head>
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<body dir="ltr" vlink="#800080" text="#000000" link="#0000ff"
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lang="fr-FR">
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<p align="center"><br>
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<br>
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</p>
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<p style="margin-bottom: 0cm;" align="center"><font
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style="font-size: 20pt;" size="5"><b>Cours Systèmes Communicants</b></font></p>
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<p align="center"><font style="font-size: 20pt;" size="5"><b>ENSEEIHT
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– Département Informatique – 2ième année</b></font></p>
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<p align="center"><font style="font-size: 20pt;" size="5"><b>TP JMS</b></font></p>
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<p style="margin-bottom: 0cm;" align="center"><font size="3">Daniel
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Hagimont</font></p>
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<p style="margin-bottom: 0cm;" align="center"><font size="3">Daniel.Hagimont@enseeiht.fr</font></p>
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<p class="msonormal" style="margin-left: 5.08cm; margin-bottom:
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0.5cm;"><br>
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</p>
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<p class="msonormal" style="margin-left: 1.27cm; margin-bottom:
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0.5cm;"><a name="_Toc432321016"></a> <font face="Arial"><font
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style="font-size: 13pt;" size="3"><b>1.
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Objectif</b></font></font></p>
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<p style="margin-left: 1.27cm;">L'objectif de ce TP est de
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programmer une application répartie en utilisant une implantation
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de l'interface JMS vue en cours.</p>
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<p class="msonormal" style="margin-left: 1.27cm; margin-bottom:
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0.5cm;"> <font face="Arial"><font style="font-size: 13pt;"
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size="3"><b>2. Spécification</b></font></font></p>
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<p style="margin-left: 1.27cm;">L'objectif est la gestion d'un <i>Forum</i>
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de discussion pouvant faire intervenir un nombre quelconque
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d'intervenants utilisant une application <i>Irc</i>. Chaque <i>Irc</i>
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peut émettre des messages qui sont diffusés à l'ensemble des <i>Irc</i>.
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Les messages ne sont pas mémorisés par le <i>Forum</i>. Seuls les
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<i>Irc</i> présents sur le <i>Forum</i> reçoivent les messages
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émis. Pour émettre, un <i>Irc</i> doit être connecté au <i>Forum</i>.
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</p>
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<p style="margin-left: 1.27cm;">Nous considérons les opérations
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suivantes :</p>
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<ul>
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<ul>
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<li>
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<p>Connect : permet à un <i>Irc</i> de se connecter au <i>Forum</i>.</p>
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</li>
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<li>
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<p>Leave : permet à un <i>Irc</i> de se déconnecter du <i>Forum</i>.</p>
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</li>
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<li>
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<p>Write : permet à un <i>Irc</i> d'émettre un message.</p>
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</li>
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<li>
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<p>Who : permet à un <i>Irc</i> de connaître l'ensemble des
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intervenants connectés au <i>Forum</i>.</p>
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</li>
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</ul>
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</ul>
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<p style="margin-left: 1.27cm;">Nous utilisons JMS en mode
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Publish/Subscribe.</p>
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<p style="margin-left: 1.27cm;"><br>
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<img alt="archi" src="archi.jpg" width="576" height="231"><br>
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</p>
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<p class="msonormal" style="margin-left: 1.27cm; margin-bottom:
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0.5cm;"><br clear="left">
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<br>
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</p>
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<p style="margin-left: 1.27cm;">L’application est composée du
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fichier <a href="Irc.java">Irc.java</a> qui inclut l'interface
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graphique de l'application, que vous devez compléter pour faire
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marcher l'application avec JMS.</p>
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Un petit
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exemple (<a href="HelloTopic.java">HelloTopic.java</a>) vous est
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donné pour démarrer.
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<p style="margin-left: 1.27cm;">Pour utiliser activeMQ
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(l'implantation de JMS) :<br>
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</p>
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<ul style="margin-left: 40px;">
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<li>récupérez apache-active-MQ</li>
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<ul>
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<li>wget
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http://sd-127206.dedibox.fr/hagimont/software/apache-activemq-5.14.0-bin.tar.gz<br>
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</li>
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</ul>
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<li>décompresser l'archive (apache-activemq-5.14.0-bin.tar.gz)
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dans un répertoire <activemq_path></li>
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<li>pour lancer un daemon activeMQ :
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<activemq_path>/bin/activemq start (et stop pour
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l'arrêter)<br>
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</li>
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<li>si vous utilisez eclipse, le jar à ajouter dans votre
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BuildPath est : <activemq_path>/activemq-all-5.14.0.jar</li>
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<li>si vous voulez compiler (ou exécuter) en dehors d'eclipse :
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javac -cp .:<activemq_path>/lib/* <fichier source
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java></li>
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</ul>
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<p style="margin-left: 1.27cm;">0) testez l'exemple HelloTopic
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ci-dessus<br>
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1) commencez par coder les opérations de connexion, emission et
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réception de messages<br>
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2) implantez une solution gérant la liste des intervenants
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connectés<br>
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3) rajouter des connexions "durables" : si vous quitter Irc et que
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vous vous reconnectez plus tard, vous recevez les messages émis
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pendant votre absence.<br>
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</p>
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</body>
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</html>
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