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Client.java

@@ -0,0 +1,84 @@
+import java.net.*;
+import java.io.*;
+
+public class Client
+{
+  public static void main(String args[])
+  {
+    //pobranie i sprawdzenie otrzymanych argument闚
+    if (args.length < 2){
+      System.out.println("Wywo豉nie programu: Client host port");
+      System.exit(-1);
+    }
+    String host = args[0];
+    int port = 0;
+    try{
+      port = Integer.valueOf(args[1]);
+    }
+    catch(NumberFormatException e){
+      System.out.println("Nieprawid這wy argument: port");
+      System.exit(-1);
+    }
+    //Inicjalizacja gniazda klienckiego
+    Socket clientSocket = null;
+    try{
+      clientSocket = new Socket(host, port);
+    }
+    catch(UnknownHostException e){
+      System.out.println("Nieznany host.");
+      System.exit(-1);
+    }
+    catch(ConnectException e){
+      System.out.println("Po章czenie odrzucone.");
+      System.exit(-1);
+    }
+    catch(IOException e){
+      System.out.println("B章d wej𦣇ia-wyj𦣇ia: " + e);
+      System.exit(-1);
+    }
+    System.out.println("Po章czono z " + clientSocket);
+
+    //Deklaracje zmiennych strumieniowych 
+    String line = null;
+    BufferedReader brSockInp = null;
+    BufferedReader brLocalInp = null;
+    DataOutputStream out = null;
+    
+    //Utworzenie strumieni
+    try{
+      out = new DataOutputStream(clientSocket.getOutputStream());
+      brSockInp = new BufferedReader(
+        new InputStreamReader(
+          clientSocket.getInputStream()));
+      brLocalInp = new BufferedReader(
+        new InputStreamReader(System.in));
+    }
+    catch(IOException e){
+      System.out.println("B章d przy tworzeniu strumieni: " + e);
+      System.exit(-1);
+    }
+    //P皻la g堯wna klienta
+    while(true){
+      try{
+        line = brLocalInp.readLine();
+        if(line != null){
+          System.out.println("Wysy豉m: " + line);
+          out.writeBytes(line + '\n');
+          out.flush();
+        }
+        if(line == null || "quit".equals(line)){
+          System.out.println("Ko鎍zenie pracy...");
+          clientSocket.close();
+          System.exit(0);
+        }
+        brSockInp.readLine();
+        System.out.println("Otrzymano: " + line);
+      }
+      catch(IOException e){
+        System.out.println("B章d wej𦣇ia-wyj𦣇ia: " + e);
+        System.exit(-1);
+      }
+    }
+  }
+}
+