src/share/classes/sun/rmi/transport/proxy/CGIHandler.java

@@ -31,10 +31,11 @@
 /**
  * CGIClientException is thrown when an error is detected
  * in a client's request.
  */
 class CGIClientException extends Exception {
+    private static final long serialVersionUID = 8147981687059865216L;
 
     public CGIClientException(String s) {
         super(s);
     }
 }

@@ -42,10 +43,12 @@
 /**
  * CGIServerException is thrown when an error occurs here on the server.
  */
 class CGIServerException extends Exception {
 
+    private static final long serialVersionUID = 6928425456704527017L;
+
     public CGIServerException(String s) {
         super(s);
     }
 }
 

@@ -109,13 +112,13 @@
         new CGIPingCommand(),
         new CGITryHostnameCommand()
     };
 
     /* construct table mapping command strings to handlers */
-    private static Hashtable commandLookup;
+    private static Hashtable<String, CGICommandHandler> commandLookup;
     static {
-        commandLookup = new Hashtable();
+        commandLookup = new Hashtable<>();
         for (int i = 0; i < commands.length; ++ i)
             commandLookup.put(commands[i].getName(), commands[i]);
     }
 
     /* prevent instantiation of this class */

@@ -138,11 +141,11 @@
             else {
                 command = QueryString.substring(0, delim);
                 param = QueryString.substring(delim + 1);
             }
             CGICommandHandler handler =
-                (CGICommandHandler) commandLookup.get(command);
+                commandLookup.get(command);
             if (handler != null)
                 try {
                     handler.execute(param);
                 } catch (CGIClientException e) {
                     returnClientError(e.getMessage());

@@ -198,18 +201,23 @@
     }
 }
 
 /**
  * "forward" command: Forward request body to local port on the server,
- * and send reponse back to client.
+ * and send response back to client.
  */
 final class CGIForwardCommand implements CGICommandHandler {
 
     public String getName() {
         return "forward";
     }
 
+    @SuppressWarnings("deprecation")
+    private String getLine (DataInputStream socketIn) throws IOException {
+        return socketIn.readLine();
+    }
+
     public void execute(String param) throws CGIClientException, CGIServerException
     {
         if (!CGIHandler.RequestMethod.equals("POST"))
             throw new CGIClientException("can only forward POST requests");
 

@@ -274,21 +282,22 @@
         boolean contentLengthFound = false;
         String line;
         int responseContentLength = -1;
         do {
             try {
-                line = socketIn.readLine();
+                line = getLine(socketIn);
             } catch (IOException e) {
                 throw new CGIServerException("error reading from server");
             }
             if (line == null)
                 throw new CGIServerException(
                     "unexpected EOF reading server response");
 
             if (line.toLowerCase().startsWith(key)) {
-                if (contentLengthFound)
-                    ; // what would we want to do in this case??
+                if (contentLengthFound){
+                    // what would we want to do in this case??
+                }
                 responseContentLength =
                     Integer.parseInt(line.substring(key.length()).trim());
                 contentLengthFound = true;
             }
         } while ((line.length() != 0) &&