Java+socket

aí vai o código do meu programa:

------------------------------CLASSE CLIENTE----------------------------

import java.io.IOException;

import java.io.PrintStream;

import java.net.Socket;

/**
*

@author LIDI_LINDA
*/
public class Cliente{

/** Creates a new instance of Cliente */

public Cliente() {

}

public PrintStream Cliente(String saida){
Socket s = null;

//Declaro a Stream de saida de dados
  PrintStream ps = null;
  
  try{
      
      //Cria o socket com o recurso desejado na porta especificada
      s = new Socket("127.0.0.1",8000);
      
      //Cria a Stream de saida de dados
      ps = new PrintStream(s.getOutputStream());
     ps.println(saida);
      //Imprime uma linha para a stream de saída de dados
  
  //Trata possíveis exceções
  }catch(IOException e){
      
      e.printStackTrace();

  }finally{
      
      try{
          
          //Encerra o socket cliente
          s.close();
          
      }catch(IOException e){}
  
  }

System.out.println(ps);

return ps;

}

}

------------------------------Classe Servidora------------------------------------

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintStream;

import java.net.ServerSocket;

import java.net.Socket;

/**
*

@author LIDI_LINDA
*/
public class Servidor {

/** Creates a new instance of Servidor */

public Servidor() {

}

public static String StartServer(int porta){
// SERVIDOR

ServerSocket serv=null; 
     
     //Declaro o Socket de comunicação
     Socket s= null;
     
     //Declaro o leitor para a entrada de dados
     BufferedReader entrada=null;
     
     // String de Saida
     String saida = "";
             
     try{
         
         //Cria o ServerSocket na porta se estiver disponível
         serv = new ServerSocket(porta);
    
         //Aguarda uma conexão na porta especificada e cria retorna o socket que irá comunicar com o cliente
         s = serv.accept();
         System.out.println("startado");
         
         //Cria um BufferedReader para o canal da stream de entrada de dados do socket s
         entrada = new BufferedReader(new InputStreamReader(s.getInputStream()));
           
         //Aguarda por algum dado e imprime a linha recebida quando recebe
    
         saida = entrada.readLine();
     
     //trata possíveis excessões de input/output. Note que as excessões são as mesmas utilizadas para as classes de java.io    
     }catch(IOException e){
     
         //Imprime uma notificação na saída padrão caso haja algo errado.
        // System.out.println("Algum problema ocorreu para criar ou receber o socket.");
     
     }finally{
         
         try{
             
             //Encerro o socket de comunicação
             s.close();
            
             //Encerro o ServerSocket
             serv.close();
             
         }catch(IOException e){
       }   
      
      }
     return saida;

}

-----------------------------------Classe Tela-------------------------------------

import java.io.FileInputStream;

import java.io.InputStream;

import java.io.PrintStream;

import java.net.InetAddress;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Properties;

/**
*

@author  LIDI_LINDA

<em>/

public class SisAlarmeTela extends javax.swing.JFrame {

private static  boolean flag = false;

/</em>* Creates new form SisAlarmeTela */

public SisAlarmeTela() {

initComponents();

}

/** This method is called from within the constructor to

initialize the form.
WARNING: Do NOT modify this code. The content of this method is

always regenerated by the Form Editor.

*/

// 

private void initComponents() {

jLabel1 = new javax.swing.JLabel();

jLabel2 = new javax.swing.JLabel();

jLabel3 = new javax.swing.JLabel();

jSeparator2 = new javax.swing.JSeparator();

jPanel1 = new javax.swing.JPanel();

jButton1 = new javax.swing.JButton();

jButton2 = new javax.swing.JButton();

jButton3 = new javax.swing.JButton();

jDesktopPane1 = new javax.swing.JDesktopPane();

jTextField1 = new javax.swing.JTextField();

jButton4 = new javax.swing.JButton();

jPanel2 = new javax.swing.JPanel();

jLabel4 = new javax.swing.JLabel();

jMenuBar1 = new javax.swing.JMenuBar();

jMenu1 = new javax.swing.JMenu();

jMenuItem1 = new javax.swing.JMenuItem();

jMenu2 = new javax.swing.JMenu();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

setTitle(“Sistema de Alarme vers\u00e3o 1.0”);

setExtendedState(600);

setMaximizedBounds(new java.awt.Rectangle(200, 300, 600, 700));

jLabel1.setFont(new java.awt.Font(“Times New Roman”, 1, 12));

jLabel1.setText(“MARINHA DO BRASIL”);

jLabel2.setFont(new java.awt.Font(“Times New Roman”, 1, 12));
jLabel2.setText(“SISTEMA INTEGRADO DE ALARME”);

jLabel3.setFont(new java.awt.Font(“Times New Roman”, 1, 14));
jLabel3.setForeground(new java.awt.Color(204, 0, 51));

jPanel1.setBackground(new java.awt.Color(204, 204, 204));

jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder(null, new java.awt.Color(204, 255, 255)));

jButton1.setText(“Inc\u00eandio”);

jButton1.setToolTipText(“Esse bot\u00e3o dispara a mensagem de fogo para todas as O.M. do complexo”);

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

Fogo(evt);

}

});

jButton2.setText(“Invas\u00e3o”);

jButton2.setToolTipText(“Esse bot\u00e3o dispara a mensagem de assalto para todas as O.M. do complexo”);

jButton2.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

Assalto(evt);

}

});

jButton3.setText(“Outra”);

jButton3.setToolTipText(“Esse bot\u00e3o habilita a op\u00e7\u00e3o de envio de mensagens para todas as O.M. do complexo”);

jButton3.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

OutraMsg(evt);

}

});

org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);

jPanel1.setLayout(jPanel1Layout);

jPanel1Layout.setHorizontalGroup(

jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1Layout.createSequentialGroup()

.addContainerGap()

.add(jButton1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 110, Short.MAX_VALUE)

.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

.add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 100, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

.add(jButton3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 99, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.add(26, 26, 26))

);

jPanel1Layout.setVerticalGroup(

jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(jPanel1Layout.createSequentialGroup()

.addContainerGap()

.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)

.add(jButton3)

.add(jButton1)

.add(jButton2))

.addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

jDesktopPane1.setBackground(new java.awt.Color(204, 204, 204));

jDesktopPane1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, “Insira seu texto aqui”, javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font(“Times New Roman”, 1, 12)));

jTextField1.setEditable(false);

jTextField1.setSelectedTextColor(new java.awt.Color(255, 255, 204));

jTextField1.setBounds(20, 20, 160, 30);

jDesktopPane1.add(jTextField1, javax.swing.JLayeredPane.DEFAULT_LAYER);

jTextField1.getAccessibleContext().setAccessibleParent(jButton3);

jButton4.setText(“OK”);

jButton4.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

EnviarMsg(evt);

}

});

jButton4.setBounds(190, 20, 70, 30);
jDesktopPane1.add(jButton4, javax.swing.JLayeredPane.DEFAULT_LAYER);

jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(null, “Mensagens Recebidas”, javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font(“Arial”, 1, 12), new java.awt.Color(0, 0, 0)));

jLabel4.setFont(new java.awt.Font(“Times New Roman”, 1, 12));

jLabel4.setForeground(new java.awt.Color(255, 0, 0));

jLabel4.setText(“t”);

org.jdesktop.layout.GroupLayout jPanel2Layout = new org.jdesktop.layout.GroupLayout(jPanel2);

jPanel2.setLayout(jPanel2Layout);

jPanel2Layout.setHorizontalGroup(

jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(jPanel2Layout.createSequentialGroup()

.add(28, 28, 28)

.add(jLabel4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 119, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.addContainerGap(198, Short.MAX_VALUE))

);

jPanel2Layout.setVerticalGroup(

jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel2Layout.createSequentialGroup()

.add(jLabel4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 25, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.addContainerGap(35, Short.MAX_VALUE))

);

jMenu1.setText(“Arquivo”);

jMenuItem1.setText(“Sair”);

jMenuItem1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

Fechar(evt);

}

});

jMenu1.add(jMenuItem1);

jMenuBar1.add(jMenu1);

jMenu2.setText(“Sobre”);
jMenuBar1.add(jMenu2);

setJMenuBar(jMenuBar1);

org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(layout.createSequentialGroup()

.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(jLabel3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 417, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.add(org.jdesktop.layout.GroupLayout.TRAILING, jSeparator2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 601, Short.MAX_VALUE)

.add(layout.createSequentialGroup()

.add(96, 96, 96)

.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)

.add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.add(jDesktopPane1)

.add(jPanel2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))

.add(layout.createSequentialGroup()

.add(226, 226, 226)

.add(jLabel1))

.add(layout.createSequentialGroup()

.add(179, 179, 179)

.add(jLabel2)))

.addContainerGap())

);

layout.setVerticalGroup(

layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

.add(layout.createSequentialGroup()

.addContainerGap()

.add(jLabel1)

.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

.add(jLabel2)

.add(33, 33, 33)

.add(jLabel3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 18, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

.add(jSeparator2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 12, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.add(23, 23, 23)

.add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.add(36, 36, 36)

.add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

.add(jDesktopPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 69, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

.add(91, 91, 91))

);

pack();

}//

private void Fechar(java.awt.event.ActionEvent evt) {

// TODO adicione seu código de manipulação aqui:

System.exit(0);

}

private void EnviarMsg(java.awt.event.ActionEvent evt) {

flag = true;

Cliente c = new Cliente();

List endereco = new ArrayList();

endereco = enderecos();

Iterator it = endereco.iterator();

while (it.hasNext()){   
             String item = (String) it.next();
            // c.Cliente(jTextField1.getText(),item));
 }

}

private void OutraMsg(java.awt.event.ActionEvent evt) {

jDesktopPane1.setVisible(true);

jTextField1.setEditable(true);

}

private void Assalto(java.awt.event.ActionEvent evt) {

try{

flag = true;

Cliente c = new Cliente();

List endereco = new ArrayList();

endereco = enderecos();

Iterator it = endereco.iterator();

flag = true;

while (it.hasNext()){

String item = (String) it.next();

//  c.Cliente(“Invasão”,item);

}

} catch (Exception e){

e.printStackTrace();

}

}

private void Fogo(java.awt.event.ActionEvent evt) {

try{ 
         
   flag = true;  
     Cliente c = new Cliente();
     List endereco = new ArrayList();
     endereco = enderecos();
     Iterator it = endereco.iterator(); 
     flag = true;
    
 while (it.hasNext()){   
             String item = (String) it.next();
          //   c.Cliente("Incendio",item);
 }
} catch (Exception e){
e.printStackTrace();
}
//jLabel4.setText(retorno);

// TODO adicione seu código de manipulação aqui:
}

/**
 * @param args the command line arguments
 */

private static String pingar(String host) {

try {

if (InetAddress.getByName(host).isReachable(5000))//pinga na porta 5000

return("Respondendo: ");

else

return("Falha na conexão: ");

} catch (Exception e) {

return(“Erro de Sistema :”+ " - " + e);

}

}

// Lista os endereços do propriert

public static ArrayList enderecos(){

ArrayList endereco = new ArrayList();
     Properties prop = new Properties();
     InputStream in = SisAlarmeTela.class.getResourceAsStream("enderecos.properties");
     try {

        prop.load(in);
        
        for (int i =1; i<= prop.size();i++){
        endereco.add(prop.getProperty("tcp"+i));
        
        }
       
    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("Erro");
    }
   
return endereco;
}
public static ArrayList nome(){
    
     ArrayList nome = new ArrayList();
     Properties prop = new Properties();
    InputStream in = SisAlarmeTela.class.getResourceAsStream("enderecos.properties");
     try {

        prop.load(in);
       
        for (int i =1; i<= prop.size();i++){
        nome.add(prop.getProperty("nome"+i));
      }
       
    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("Erro");
    }
   
return nome;
}

private static void respServer() {

try{

Cliente c = new Cliente();

c.Cliente(“Sem msg”);

}

catch (Exception e){

e.printStackTrace();

}

}

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

while(true){

//Lista os enderecos para o Ping  
         List endereco = new ArrayList();
          List nome = new ArrayList();
         endereco = enderecos();  
         nome = nome();
        Iterator it = endereco.iterator(); 
        Iterator itn = nome.iterator();

// PING EFETIVO

while (it.hasNext()& itn.hasNext()) {

String item = (String) it.next();

String name = (String)itn.next();

String tcp = pingar (item);

jLabel3.setText(tcp+" "+name);

}

//startando o servidor a partir daqui o programa simplesmente para

out = Servidor.StartServer(8000);
        respServer();
        jLabel3.setText(out);

}

}

// Declaração de variáveis - não modifique

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JButton jButton3;

private javax.swing.JButton jButton4;

private javax.swing.JDesktopPane jDesktopPane1;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private static javax.swing.JLabel jLabel3;

private static javax.swing.JLabel jLabel4;

private javax.swing.JMenu jMenu1;

private javax.swing.JMenu jMenu2;

private javax.swing.JMenuBar jMenuBar1;

private javax.swing.JMenuItem jMenuItem1;

private javax.swing.JPanel jPanel1;

private javax.swing.JPanel jPanel2;

private javax.swing.JSeparator jSeparator2;

private javax.swing.JTextField jTextField1;

// Fim da declaração de variáveis

private static String  out;

private static int porta;

}

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