ChatClient-Fix

src/main/java/ChatClient.java

@@ -16,8 +16,8 @@ public class ChatClient extends JFrame implements KeyListener {
     private JTextArea outputTextArea;
     private JTextField inputTextField;
     private JScrollPane outputScrollPane;
-    
-    public ChatClient(int port) {
+
+    public ChatClient() {
         super("Chat");
         address = JOptionPane.showInputDialog("bitte IP-Adresse");
         if (null != address) {
@@ -30,8 +30,6 @@ public class ChatClient extends JFrame implements KeyListener {
         outputTextArea = new JTextArea();
         outputTextArea.setEditable(false);
         outputTextArea.setBorder(BorderFactory.createTitledBorder("Chat"));
-        
-        outputScrollPane = new JScrollPane(outputTextArea);
 
         outputScrollPane = new JScrollPane(outputTextArea);
 
@@ -54,40 +52,35 @@ public class ChatClient extends JFrame implements KeyListener {
             toServerWriter     = new PrintWriter(new OutputStreamWriter(connectionToServer.getOutputStream()));
 
             initGui();
-            
-           // while (true) {
-           // 	String message = fromServerReader.readLine();
-		   //		outputTextArea.append(message + "\n");
-           // 		outputScrollPane.getVerticalScrollBar().setValue(outputScrollPane.getVerticalScrollBar().getMaximum());
-           // }
-            // Solang fromServerReader nicht erstellt ist als Kommentar  
-        } 
-        
-        
-        
-        catch (Exception e) {
-            JOptionPane.showMessageDialog(null, "Verbindung zum Server \"" + address + "\" fehlgeschlagen.");
+
+            while (true) {
+                String message = fromServerReader.readLine();
+                outputTextArea.append(message + "\n");
+                outputScrollPane.getVerticalScrollBar().setValue(outputScrollPane.getVerticalScrollBar().getMaximum());
+            }
+        } catch (IOException e) {
+            JOptionPane.showMessageDialog(null, connectionFailedMessage);
             dispose();
-        }
-        finally {
-        	if (connectionToServer != null) {
-        		try {
-				connectionToServer.close();
-        		}
-        	
-        		catch (IOException e) {
-        			// TODO Auto-generated catch block
-        			e.printStackTrace();
-        		}
-        	}	
-        /*	if (fromServerReader != null) {
-        	
-        		 fromServerReader.close(); (warten auf ServerReader)
-        	} 	*/
-        /*  if (toServerWriter != null) {
-               
-          		toServerWriter.close();	 (warten auf ServerWriter) 
-          	}	*/
+        } finally {
+            if (null != connectionToServer) {
+                try {
+                    connectionToServer.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if (null != fromServerReader) {
+                try {
+                    fromServerReader.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if(null != toServerWriter) {
+                toServerWriter.close();
+            }
         }
     }