synchronized su awarenes e chat via tcp

socket_chat_tcp/ServerClientHandler.java

@@ -0,0 +1,86 @@
+package socket_chat_tcp;
+
+import java.io.*;
+import java.net.Socket;
+import java.util.Iterator;
+import java.util.Vector;
+import java.util.logging.Logger;
+
+/**
+ * Created with xgiovio.macbookair.
+ * User: xgiovio
+ * Date: 02/12/14
+ * Time: 17:36
+ */
+public class ServerClientHandler extends Thread {
+
+
+
+    public ServerClientHandler (Socket isclient){
+        sclient=isclient;
+
+
+
+    }
+
+    @Override
+    public void run() {
+
+        synchronized (vs) {
+            vs.add(sclient);
+        }
+
+        try {
+
+            DataInputStream i = new DataInputStream(new BufferedInputStream(sclient.getInputStream()));
+            name = i.readUTF();
+            broadcast(name + " si e' connesso");
+            while (true){
+                String m = i.readUTF();
+                broadcast(name + ": " + m);
+            }
+
+        } catch (IOException e) {
+
+        }
+
+        finally {
+            try {
+                sclient.close();
+                synchronized (vs){
+                    vs.remove(sclient);
+                }
+                broadcast(name + " si e' disonnesso");
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+
+    }
+
+
+    private void broadcast (String s){
+        Iterator<Socket> it = vs.iterator();
+        for (;it.hasNext();){
+            Socket next = it.next();
+            if (next != sclient) {
+                try {
+                    DataOutputStream o = new DataOutputStream(new BufferedOutputStream(next.getOutputStream()));
+                    o.writeUTF(s);
+                    o.flush();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+
+    private String name;
+    private final Socket sclient;
+    private static final Vector<Socket> vs = new Vector<Socket>();
+
+
+
+}