Programacion Concurrente
  PROYECTO: Chat RMI
 

import java.rmi.*;
import java.rmi.server.*;
import java.rmi.registry.Registry;
import java.rmi.registry.*;
import java.rmi.registry.LocateRegistry;
import java.net.*;
import java.io.*;
 

public class ChatRMI extends javax.swing.JFrame {
   
    /** Creates new form ChatRMI */
    public ChatRMI() {
        initComponents();
      //  Server();
     //   Cliente();
    }
  static class hilo extends Thread
   {
        public void run()
        {
                while(true)
               {     
                    try {message=exportObj.getMsg();} catch(RemoteException e){}
                    if( !(message.compareTo("")==0)){
                           jTextArea1.append(message+"n");
                           exportObj.MSG=""; 
                    }    
                }
        }
   }
   
 
 public void Cliente(){
    try{
 int RMIPort;
       // String portnum;
 //portnum="8080";
 RMIPort=Integer.parseInt(portnum);
 String registryURL="rmi://"+hostName+":"+portnum+"/hello";
 InterfaceChat h=(InterfaceChat)Naming.lookup(registryURL);
 h.sendMsg(myname+" dice: "+"n"+jTextField1.getText());
   
   }catch(Exception ex){ex.printStackTrace();}
 }
   
    public void Server(){
  InputStreamReader is=new InputStreamReader(System.in);
 BufferedReader br=new BufferedReader(is);
 String portNum,registryURL;
 try{
  // RMIPortNum=8080;//Integer.parseInt(jTextField2.getText());
  startRegistry(RMIPortNum);
         exportObj =new ChatImp();
  registryURL="rmi://127.0.0.1:"+RMIPortNum+"/hello";
  Naming.rebind(registryURL,exportObj);
                //listregistry
                try{
                String[] names=Naming.list(registryURL); 
                  for(int i=0;i<names.length;i++) 
                     //jTextArea1.append("n"+names[i]);
                     jTextArea1.append("n Conectadon");
                }catch(RemoteException e){}
                 a.start();
 }catch(Exception re){}
    }

      private static void startRegistry(int RMIPortNum)throws RemoteException{
  try{
   Registry registry=LocateRegistry.createRegistry(RMIPortNum);
   registry.list();
  }catch(RemoteException ex){}
 }
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jButton1 = new javax.swing.JButton();
        jTextField1 = new javax.swing.JTextField();
        jButton2 = new javax.swing.JButton();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jTextField5 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Mensajero");
        jTextArea1.setColumns(20);
        jTextArea1.setEditable(false);
        jTextArea1.setFont(new java.awt.Font("Verdana", 1, 11));
        jTextArea1.setRows(5);
        jScrollPane1.setViewportView(jTextArea1);

        jButton1.setBackground(new java.awt.Color(204, 204, 255));
        jButton1.setText("Send");
        jButton1.setEnabled(false);
        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton1MouseClicked(evt);
            }
        });

        jTextField1.setEnabled(false);

        jButton2.setBackground(new java.awt.Color(153, 204, 255));
        jButton2.setText("Conectar");
        jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton2MouseClicked(evt);
            }
        });

        jLabel1.setText("Nick:");

        jLabel2.setText("Host:");

        jLabel3.setText("P Origen:");

        jLabel4.setText("P Destino:");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 483, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 378, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addGap(142, 142, 142)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(jLabel2)
                                    .addComponent(jLabel1)
                                    .addComponent(jLabel4)
                                    .addComponent(jLabel3))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                    .addComponent(jTextField5)
                                    .addComponent(jTextField2)
                                    .addComponent(jTextField4)
                                    .addComponent(jTextField3, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE))))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 97, Short.MAX_VALUE))))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 344, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(23, 23, 23)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 39, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 17, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jTextField5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel2)
                            .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(36, 36, 36)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                    .addComponent(jLabel4)
                                    .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGroup(layout.createSequentialGroup()
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                    .addComponent(jLabel3)
                                    .addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                    .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton2MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton2MouseClicked
// TODO add your handling code here:
        jTextField1.setEnabled(true);
        jButton1.setEnabled(true);
        hostName=jTextField2.getText();
        myname=jTextField5.getText();
        jButton2.setVisible(false);
        jTextField2.setVisible(false);
        RMIPortNum=Integer.parseInt(jTextField3.getText());
        portnum=jTextField4.getText();
        jTextField3.setVisible(false);
        jTextField4.setVisible(false);
        jTextField5.setVisible(false);
        jLabel1.setVisible(false);
        jLabel2.setVisible(false);
        jLabel3.setVisible(false);
        jLabel4.setVisible(false);

       
        Server();
    }//GEN-LAST:event_jButton2MouseClicked

    private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseClicked
// TODO add your handling code here:
         men=jTextField1.getText();
                Cliente();
  jTextArea1.append(myname+" dice:"+"n"+men+"n");
                jTextField1.setText("");
             
               
    }//GEN-LAST:event_jButton1MouseClicked
   

    public static void main(String args[]) {
    
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ChatRMI().setVisible(true);

            }
        });
         
       
    }
  
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JScrollPane jScrollPane1;
    private static javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    private javax.swing.JTextField jTextField5;
    // End of variables declaration//GEN-END:variables
      public String men=new String("");
      public static ChatImp exportObj;
      public static String message=new String("");
      public hilo a=new hilo();
      String hostName;
      int RMIPortNum;
      String portnum=new String("");
      String myname=new String("");



/*****INTERFACE*****/

import java.rmi.*;

public interface InterfaceChat extends Remote{
 
 public void sendMsg(String Msg)throws RemoteException;
 public String getMsg()throws RemoteException;
 //public void setName(String name)throws RemoteException;
}




/**********IMP**********/

import java.rmi.*;
import java.rmi.server.*;

public class ChatImp extends UnicastRemoteObject implements InterfaceChat{
 
 
 public ChatImp()throws RemoteException{
  super();
 }
 public String MSG=new String("");
       
    //    public String name=new String("");
       
 public void sendMsg(String Msg)throws RemoteException{
  this.MSG=Msg;
 }
 
 public String getMsg()throws RemoteException{
  return MSG;
 } 
       
      /*  public void setName(String name)throws RemoteException{
  this.name=name;
 }
  */
}




}

 
   
 
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