socketstcp 040917

// cliente

import java.net.*;
import java.util.Scanner;
import java.io.*;

public class ClienteTCP {
    public static void main (String args[]) {
        Socket socketCliente = null;
        try{
            //Cria o socket
            socketCliente = new Socket("localhost", 7896);
            //Vincula os streams de enrada e saida
            DataInputStream entrada = new DataInputStream(socketCliente.getInputStream());
            DataOutputStream saida = new DataOutputStream(socketCliente.getOutputStream());
            //Prepara leitura do teclado
            Scanner s = new Scanner(System.in);
            System.out.println("Digite 1 para Solicitar\nDigite 2 para Devolver\n------------->");
            int resposta = s.nextInt();

            if (resposta == 1) {
                //Escreve no stream de saida
                saida.writeInt(1);
                saida.writeInt(1);
                saida.writeInt(1);
            } else {
                //Escreve no stream de saida
                saida.writeInt(2);
                saida.writeInt(1);
                saida.writeInt(1);
            }

            //Recebe no stream de entrada
            String data = entrada.readUTF();
            System.out.println("Recebeu do servidor: "+ data);
        }catch (UnknownHostException e){
                System.out.println("Socket:"+e.getMessage());
        }catch (EOFException e){System.out.println("EOF:"+e.getMessage());
        }catch (IOException e){System.out.println("IO:"+e.getMessage());
        }finally {
            if(socketCliente!=null) try {
                socketCliente.close();
                }catch (IOException e){System.out.println("close:"+e.getMessage());
            }
        }
    }
}

//cliente
import java.net.*;
import java.io.*;

public class ServidorTCP {
    public static void main (String args[]) {

    try{
        //Cria o socket do servidor
        ServerSocket socketServidor = new ServerSocket(7896);
        while(true) {
            System.out.println("Aguardando cliente...");
            //Recebe solicita��o de socket do cliente
            Socket socketCliente = socketServidor.accept();
            //Estabelece conex�o instanciando a thread
            Connection c = new Connection(socketCliente);
        }
    } catch(IOException e) {System.out.println("Listen :"+e.getMessage());}
    }
}

class Connection extends Thread {
    DataInputStream entrada;
    DataOutputStream saida;
    Socket socketCliente;
    public Connection (Socket aSocketCliente) {
        try {
            socketCliente = aSocketCliente;
            //Vincula streams de entrada e sa�da ao socket
            entrada = new DataInputStream(socketCliente.getInputStream());
            saida = new DataOutputStream(socketCliente.getOutputStream());
            //Inicia thread
            this.start();
         } catch(IOException e) {System.out.println("Connection:"+e.getMessage());}
    }
    public void run(){
        try {
            int dadosEntrada1 = entrada.readInt();
            int dadosEntrada2 = entrada.readInt();
            int dadosEntrada3 = entrada.readInt();

            if (dadosEntrada1 == 1) {
                String hora = "11:04:00";
                saida.writeUTF("Servidor: Solicitacao, " + hora);
            } else {
                saida.writeUTF("Servidor: Devolucao, 11:04:00");
            }

        } catch(EOFException e) {System.out.println("EOF:"+e.getMessage());
        } catch(IOException e) {System.out.println("IO:"+e.getMessage());
        } finally{
            try {
                socketCliente.close();
            }catch (IOException e){/*erro ao fechar*/}
        }
    }
}